We've all heard abut techniques t get us mre physically active-take the stairs and park the car a bit further frm yur destinatin.Nw a study led by Dr.Buchman finds even simple husewrk may benefit brain health fr the elderly.
"Our study shws exercise is an inexpensive way t imprve health.It als shws exercise may have a prtective effect n the brain，"says Dr.Buchman.
Previus research fund just 45 minutes f walking three days a week actually increased brain vlume.
The new study is was able t analyze the actual brains f the study participants.
The study lked at 454 lder adults wh were ver 70 years ld when the research began.Of thse adults，191 had behaviral signs f dementia（癡呆） and 263 did nt.
In the research，each participant wre an activity mnitr called an accelermeter（加速度計(jì)）.It measured thse participants' physical activity arund the clck-everything frm walking arund the huse t exercise rutines.Researchers cllected and evaluated ten days f mvement data fr each participant and calculated the levels f daily mvement.
The findings shw that higher levels f daily mvement were linked t better thinking and memry skills.And when Dr.Buchman analyzed brain tissue under a micrscpe，this finding turned ut t be the case even fr individuals with at least three signs f Alzheimer's disease（阿爾茨海默?。?Even thugh these individuals might have been diagnsed with Alzheimer's，30 percent f them had"nrmal" cgnitin（認(rèn)知），says Dr.Buchman.
Why ne persn shws signs f dementia and anther，wh has similar degenerative（退行的） changes in the brain，des nt，is a mystery.But Dr.Buchman says the new findings suggest that physical activity may be prtective，even amng develping Alzheimer's.It srt f masks the symptms，he says.It suggests that yu can have sme cntrl ver yur brain health even if yu dn't have cntrl ver develping Alzheimer's.
And，while intense exercise is highly beneficial，light activity can make a difference as well."As lng as yu are ding exercise and yu're mving，whether yu're chpping nins r sweeping the flr，yu can reduce yur risk f cgnitive decline，"says Dr.Buchman.
1.What des the new study led by Dr.Buchman find ut？ ______
A. Simple husewrk is a gd way t get us mre physically active.
B. Walking fr 45 minutes twice a week can increase brain vlume.
C. Exercise is the mst expensive way t imprve ur mental and physical health.
D. Exercise may help imprve brain health amng elderly peple.
2.The new study is unique because ______
A. it analyzed the actual brains f the participants
B. the participants invlved were ver 70 years ld
C. the participants had signs f dementia
D. the participants were equipped with a special activity mnitr
3.Which f the fllwing statements is TRUE abut the study？ ______
A. The study lks int why yung peple develp Alzheimer's disease.
B. The study indicates that peple with signs f Alzheimer's disease will lse cgnitin.
C. The study finds ut why sme peple with signs f Alzheimer's disease have the abnrmal cgnitive ability.
D. The study shws higher levels f daily mvement were linked t better thinking and memry skills.
wuld mst prbably agree that ______
A. Alzheimer's disease can be ttally cured by ding exercise
B. nly intense exercise is beneficial t ur health
C. ding exercise can help reduce the risk f cgnitive decline
D. peple with Alzheimer's disease cannt cntrl their brain health
B
I had been ff wrk fr twelve weeks after the birth f ur secnd child.Yu might think that maternity leave （產(chǎn)假） wuld be abut the new baby，and fr the first few weeks that was prbably the case.But my maternity leave turned int a magical vacatin with my three-year-ld.
Every week we tried t g n a special trip that wuld create memries fr us.But the daily activities，such as trips t the stre and after-dinner walks，were what made the days s special.Wh wuld have realized the beauty f the mment when that small hand reached uncnsciusly （無(wú)意識(shí)地） up fr yurs？And als the pride yu felt as yu gt t see the grwth f yur child's mind.
The last week that I was ff，I had been trying t help prepare her，and myself fr the end f my leave.I wuld mentin that I wuld be ging t wrk and she wuld get t stay with Daddy.Smetimes she wuld ask why I had t return t wrk.I said that I needed t earn mney t pay fr the huse and the car and fd.
Tday，we were headed t the grcery stre.Part f ur stre ritual（習(xí)慣） was t take a little change with us t buy a lemnade （檸檬味汽水） t share.
As she was climbing int the car t g，she fund a quarter n the flr and shuted excitedly， "Oh，I will buy a huse and car with it."
I was surprised and asked， "Why？"
She stated， "S yu dn't have t g back t wrk，Mmmy."
She was quiet n the way t the stre.S was I.When we gt there，I cllected a secnd quarter frm the car and handed it t her fr ur lemnade.She fed the quarter I had given her int the machine，but kept the ne she had fund clenched （攥?。?in her hand.
I explained t her that we didn't have enugh mney t buy a lemnade withut the ther quarter.But she wuldn't give up that quarter.And she was perfectly cheerful nt having her special treat that day because the quarter she had fund had a higher purpse.
5.What did the authr d during her maternity leave？ ______
A. She stayed at hme all the time.
B. She devted herself t her new baby.
C. She made plans fr a magical vacatin.
D. She spent a lt f time with her lder child.
6.Which f the fllwing best describes the authr's life during her maternity leave？ ______
A. Happy.B. Bring.C. Easy.D. Lnely.
7.Why was the authr quiet n the way t the stre？ ______
A. She was wrried abut her new jb.
B. She was mved by her daughter's wrds.
C. She wanted t give full attentin t driving.
D. She tried t remember where she'd lst her mney.
8.What did the authr's daughter finally d with the mney she had fund？ ______
A. She bught a ty car.
B. She gave it t smene in need.
C. She treated her mther t a lemnade.
D. She kept it t buy smething imprtant.
C
Earning an MBA is a lifelng investment that can send yur career -and salary -t new heights.Thrugh ur flagship Frtune Recmmends ranking，we hpe t help the next generatin f leaders discver the best MBA prgram fr their future.
University f Chicag
Its MBA prgram has n average abut 50 students per curse，and candidates tend t have ver five years f wrk experience.The applicatin prcess requires submissin f GMAT and/r GRE scres as well as tw letters f recmmendatin.Internatinal students can submit prf f English prficiency.The rund three deadline is April 3，and there is a ＄250 applicatin fee.
Clumbia University
It requires applicants t self-reprt a valid GMAT，GMAT Fcus Editin，r GRE scre when applying.English prficiency exams are nt required fr internatinal students.On average，there are arund 68 students per cre curse.Multiple enrllment deadlines are available fr the fall semester，and the applicatin fee is ＄250.
Stanfrd University
Applicants must submit results frm either the GMAT r GRE exam as well as tw letters f recmmendatin.Internatinal students must supply prf f English prficiency via TOEFL，PTE，r IELTS.The final deadline t apply is April 8，and the applicatin fee is＄275.
University f Michigan
There are abut 75 students in each MBA cre class，and students have clse t six years f wrk experience.One letter f recmmendatin is needed t apply，and internatinal students must prvide prf f English prficiency.The final deadline t apply is March 4，and the applicatin fee is ＄250.
9.Why d peple chse an MBA prgram？ ______
A. It's full f fun.
B. It's easy t study.
C. It can prvide wrk experience.
D. It can prmte their career and salary.
10.Which university accepts applicants withut a recmmendatin letter？ ______
A. Stanfrd University.B. Clumbia University.
C. University f Chicag.D. University f Michigan.
11.Which date is suitable t apply fr an MBA in University f Michigan？ ______
A. April 3.B. March 8.C. April 8.D. February 25.
D
At 71, Brian Phenix is nt slwing dwn.
The lng-time DJ has been playing music fr the last frty years, but this mnth, he went viral（走紅）n scial media after Miranda Dlph shared a vide f him wrking at her friends Hwie and Jenn Hall?s wedding in Sac, Maine.
In the accmpanying captin（配文）, Dlph wrte, “Went t a wedding and they had the cutest ld DJ wh used his CD cllectin fr all the music.” Her vide has since been viewed ver 9 millin times in just ver tw weeks.
Dlph said she didn?t think t much abut Phenix?s presence at the wedding at first, but then a friend pinted ut that he was selecting sngs frm an impressive cllectin f CDs.
“When I lked ver, I culd see him digging thrugh the CD cllectin and lining up the next sngs and that?s what really struck me. Frm all the weddings I?ve been at, I usually just see peple using playlists and cmputers and nt necessarily digging thrugh lts f CDs,” Dlph said. “Watching Brian DJ, I thught it was inspiring fr him t be ding what he lves t d.”
Phenix said he knew frm a yung age that he wanted t be a DJ. In sixth grade, he said he even had friends call his hme phne t request a sng, which he wuld then happily play fr them ver the receiver. These days, he primarily relies n（依靠）his cmputer and large CD cllectin, and plays at weddings abut nce a week.
Phenix said his main message fr thers is t chase（追逐）yur dreams and never settle. “Whatever yur dream is, dn?t let anybdy tuch it, play with it, r tell yu that yu can?t achieve it. G ut there and d it,” Phenix said, adding that persistence is a key factr t success.
12.What is featured in the vide?
A. Guests? reactin t a DJ?s music selectin.
B. Brian Phenix playing music at a wedding.
C. Hwie and Jenn Hall?s wedding ceremny.
D. Miranda Dlph sharing her wrk experiences.
13.What impressed Miranda Dlph mst abut Brian Phenix?
A. His lve fr music.B. His way f wrking.
C. His cllectin f CDs.D. His experience as a DJ.
14.What can be learned abut yung Brian Phenix?
A. He shwed a talent fr singing.B. He relied heavily n cmputers.
C. He had a clear interest in DJ? ing.D. He enjyed phne chats with friends.
15.What des the underlined wrd “persistence” in the last paragraph prbably mean?
A. Staying the curse.B. Taking every chance.
C. Having team supprt.D. Fllwing a rle mdel.
專題二 人與社會(huì)
E
Between 1945 and 2000，educatrs emplyed a fairly unifrm apprach.The teacher was the sun in the classrm，and all lessns and activities centered arund him r her.Educatrs stressed the imprtance f discipline and bedience（服從） within the classrm，and students were expected t fllw very rigid standards fr behavir and academic perfrmance.The stated gal f this mdel was t ensure fairness by applying the same expectatins；hwever，the result was that nly a few students succeeded while many thers were left behind.
When cmputers and Internet technlgy entered the classrm a few decades ag，anther pattern appeared and prgressive educatrs immediately saw the pprtunity t change the way schl wrked.Instead f needing t fcus n the teachers fr the vast majrity f the day，students culd use cmputers，websites，and even games t learn new materials and imprve their skills and knwledge.Nt all educatrs welcmed this shift，hwever，as sme believed it tk pwer and respnsibility away frm the teachers and cheapened the educatinal experience fr learners.
Over the last decade，tw distinct camps f educatrs have emerged.Tech advcates stress that cmputers and Internet technlgy allw students t learn at their wn pace in an envirnment that makes them feel cmfrtable，while the traditinal classrm sets a pace that many learners can't keep up with and ften makes students feel uncmfrtable.Traditinalists，n the ther hand，believe that ver-reliance n tech limits students' ability t develp their wn knwledge and skills and des little t prepare them fr the realities f being adults in the real wrld.
Regrettably，the inability f these tw parties t find an agreement has prevented the grwth f ur educatin system.We must learn frm what wrked in the past while adpting the best f ur new technlgies t create an educatin system that reflects ur mdern wrld.If we can't get all ur teachers n the same page，then we will be at risk f failing future generatins.
16.Wh can prbably learn better under the 1945 -2000 mdel f educatin？ ______
A. Lisa wh tends t read by herself.
B. Michael wh disciplines himself.
C. Kate wh can fcus n listening fr lng.
D. Tm wh prefers hands-n learning.
17.Why d sme educatrs prefer the secnd educatin pattern？ ______
A. It allws fr different learning styles.
B. It has the same hpe fr students.
C. It fires students' enthusiasm fr learning.
D. It reduces teachers' level f stress.
18.What message is cnveyed in paragraph 3？ ______
A. Tw f a trade never agree.B. Everyne thinks in his way.
C. Every ptter praises his pt.D. One's wrds reflect ne's thinking.
19.What is the authr's understanding f a gd educatin system？ ______
A. It's full f well-trained subject teachers.
B. It's an accurate mirrr f the real wrld.
C. It's inclusive and accessible t all students.
D. It's an integratin f traditin and mdernity.
F
Is it OK t kill time？Machines used t find this questin difficult t answer.But a new study shws' that artificial intelligence （AI） can be prgrammed t judge right frm wrng.
"We shw that machines can learn abut ur mral values，"says Dr.Patrick Schramwski，authr f this study，based at the Darmstadt University f Technlgy，Germany.
"There is general agreement that AI research is prgressing rapidly and that Al's influence n sciety is likely t increase，" Schramwski reprts. "Frm self-driving cars t health care，Al systems deal with increasingly cmplex （復(fù)雜的） human tasks in increasingly autnmus ways.It is imprtant t carry ut research in this area s that we can trust the decisins they make."
Schramwski's AI system is named the Mral Chice Machine （MCM）.He and his team trained it with sets f newspapers，articles，and ther texts that appeared between the years 1510 and 2009.
Once the scientists had trained the MCM，it accepted the mral values f the given text.When asked whether ne may steal mney，harm animals r kill a living being，it will answer "N." But if yu ask "Shuld I kill time？"it will tell yu it's kay.Because it has understd that the behavir means n harm.Yu will generally get a reasnable answer frm the machine.
"The MCM did this nt by repeating the text it fund，" reprts Schramwski. "It culd tell the difference between cntextual infrmatin prvided in a questin."
Furthermre，the study shws that the machine takes up mral values indicative f the time and kind f sciety the written surces cme frm，shwing the changing scial nrms（準(zhǔn)則） ver ages.
Fr example，when they limited its training data t news articles frm 2008 t 2009，the AI system favred wrk and schl ver family life.But when it culd nly explre news frm the late eighties and nineties，it favred marriage and parenting.
20.What des Schramwski mainly talk abut in paragraph 3？ ______
A. Their research methds.B. AI systems' bright future.
C. The great value f their study.D. The difficulties f Al research.
21.Hw did the researchers train the MCM？ ______
A. They let it repeat mral stries.
B. They shwed it many kind acts.
C. They ffered it a lt f written material.
D. They talked with it abut decisin-making.
22.What can the MCM d after training？ ______
A. Imprve scial rules.B. Tell right frm wrng.
C. Help humans make decisins.D. Create texts abut mral values.
23.What can we learn frm the example in the last paragraph？ ______
A. Scial values change ver time.
B. Technlgy shuld be used wisely.
C. AI systems have their wn limitatins.
D. It's hard fr machines t make mral chices.
G
The Influence f Scial Media n Yuth
Scial media has becme an integral part f the lives f tday's yuth.It ffers a platfrm fr them t cnnect with friends，share ideas，and express themselves.Hwever，its impact is a duble-edged swrd.
On ne hand，scial media prvides numerus educatinal pprtunities.Many educatinal institutins and rganizatins use scial media platfrms t disseminate knwledge.Fr example，there are language-learning grups where members can practice speaking with each ther，and science - related pages that share the latest research findings.Yuth can access a vast amunt f infrmatin that can braden their hrizns and enhance their learning.
Mrever，scial media helps in building scial skills.Thrugh nline cmmunicatin，yung peple can interact with peers frm different backgrunds.They learn hw t express their pinins clearly，understand different viewpints，and develp empathy.Fr instance，in a debate grup n scial media，participants learn t respect thers' ideas while stating their wn.
On the ther hand，scial media als has its dwnsides.One f the majr cncerns is the issue f cyber-bullying.Sme individuals use scial media platfrms t harass，intimidate，r spread rumrs abut thers.This can have a severe negative impact n the mental health f the victims，leading t depressin，anxiety，and lw self-esteem.
Anther prblem is the addictin t scial media.The cnstant stream f ntificatins and the need t stay updated can lead t excessive use.Yuth may spend hurs scrlling thrugh their feeds，neglecting ther imprtant aspects f their lives such as studies，physical activities，and face - t - face relatinships.
In cnclusin，scial media has a significant influence n yuth.While it ffers many benefits，it als pses several challenges.It is essential fr parents，educatrs，and sciety as a whle t guide the yuth t make the mst f scial media's advantages and minimize its disadvantages.
24.What is the main purpse f the passage？ ______
A. T prmte the use f scial media amng yuth.
B. T discuss the psitive and negative effects f scial media n yuth.
C. T cndemn the use f scial media.
D. T nly fcus n the negative effects f scial media.
25.Accrding t the passage，hw des scial media benefit yuth educatinally？ ______
A. It replaces traditinal educatinal institutins.
B. It prvides a platfrm fr knwledge sharing and learning.
C. It makes yuth lazy in learning.
D. It nly fcuses n language learning.
26.Which f the fllwing is a negative effect f scial media mentined in the passage？ ______
A. Building scial skills.B. Cyber-bullying.
C. Enhancing learning.D. Cnnecting with friends.
27.What is the authr's attitude twards scial media's influence n yuth？ ______
A. Cmpletely negative.B. Uncncerned.
C. Objective.D. Cmpletely psitive.
H
Gerge Barris is nt just an rdinary car designer；he is a visinary wh transfrms vehicles int custm-crafted masterpicces tailred t his clients' wildest imaginatins.Since the early 1940s，his pineering creatins have dminated bth big screens and the private cllectins f Hllywd's celebrities.
At the age f 7，Gerge Barris and his brther received a 1925 Buick frm their parents.They made changes t it，repainted it and then sld it.This experience sparked Barris' lifelng passin fr transfrming autmbiles.Later，Gerge started turning regular cars int fast racing cars.Hllywd sn recgnized his talent，cntracting him in 1958 t design his first custm vehicle fr the film High Schl Cnfidential.Many Hllywd stars flcked t Barris，demanding ne-f-a-kind vehicles.The list f clients includes Jhn Wayne，Elvis Presley，the Beatles，F(xiàn)rank Sinatra and many thers.
Custmizing cars became ppular after Wrld War Ⅱ，because peple sught smething persnal t express their individuality.Car clubs emerged，and the appetite fr new vehicles grew，especially amng the wealthy.The big autmbile cmpanies did nt venture int this market，leaving the field pen t independent peratrs such as Gerge Barris and thers.Hwever，nbdy culd match Barris's skill in this field.
In the 1960s，Barris created the black and red Batmbile，the mst distinctive car f the TVseries based n the cmic bk.Fr the hit televisin shw The Munsters，he tk three Mdel TFrds and skillfully cut and cmbined them t craft the family's unique mde f transprtatin，the Kach.This vehicle featured an interir that was specially designed t lk like a cffin（棺材），perfectly capturing the gthic aesthetic （美學(xué)） f the shw.The Kach quickly became clsely assciated with The Munsters，just as the Batmbile was with its wn series.
Gerge Barris has been designing cars fr ver six decades.He is a legend in the car design business，ften referred t as the" Van Ggh"f the autmbile industry.At 80，his sn and daughter have taken ver the day-t-day peratins f the business，but he still actively designs cars in his studi.
28.What first led Gerge Barris and his brther t start wrking n cars？ ______
A. The ambitin t design cars fr Hllywd.
B. The fa scinatin with celebrity car cllectins.
C. The passin fr turning regular cars int race cars.
D. The inspiratin frm getting a car as a childhd gift.
29.What was the primary reasn fr the rise f car custmizatin after Wrld War Ⅱ？ ______
A. The rise f car clubs demanding exclusive designs
B. The innvatins in autmtive prductin technlgy
C. Peple's grwing appetite fr distinctive self-expressin
D. Pst-war ecnmic recvery bsting cnsumer spending
30.The underlined phrase"Van Ggh"is used t indicate that Gerge Barris was ______ .
A. a pineer f abstract designsB. a master f artistic innvatins
C. a creatr f pp culture symblsD. a prmter f mainstream mdels
31.What is the mst apprpriate title fr the passage？ ______
A. Custm Car Clubs：Pst-War Bm in Ppularity
B. Hllywd's Great Car Designer：Gerge Barris
C. Gerge Barris：A Legend in Custm Car Innvatin
D. Classic Car Designs：Batmbile& Kach Highlights
專題三 人與自然
I
In the rush f day-t-day life, we dn't always have the time t slw dwn and mve at ur wn speed. Even n vacatin, we always try t visit, d and taste as many things as pssible in a new place r many places.
"I've heard cuntless times hw tired peple are when they cme back frm their vacatin and feel like they 'need a vacatin frm their vacatin, ' and that's because many times we pack s much int a very shrt time, " said travel blgger Esther Susag. "We want t see everything, d everything, and nt waste a minute.
There is, hwever, anther methd that many experienced travelers suggest: slw travel. But what exactly is slw travel, and hw d yu take full advantage f this kind f trip? Belw , travel experts break it dwn.
As the name suggests, slw travel generally needs travelers t slw dwn and enjy each mment, rather than rushing t check ff the list items. "Slw travel may mean different things t different travelers, but I define (定義) it as staying in ne place fr lnger and ging deeper int the lcal culture, " said Paul Jacbs, general manager and vice president f Kayak Nrth America. "It's taking the time t make real cnnectins with lcals instead f packing a schedule full f turs. "
Fr travel expert and authr La Carmina, slw travel allws peple t stp and smell the rses-quite directly. "It's abut being fully present in the mment and experiencing the sights, sunds and sensatins (感覺) arund yu cmpletely "letting the experience develp at its wn speed and withut expectatins, " she said. "T me, slw travel desn't have a strict definitin r certain things t d, but rather fcuses n the feeling f being a visitr t a place. "
Slw travel is becming mre and mre ppular nw, because it can d gd t us in many ways.
32.Why are peple tired when they return frm their vacatin?
A. They have n place t rest.
B. They travel t sme places far away.
C. They are n a busy schedule when traveling.
D. They feel quite excited and enjy their trip fully.
33.What des La Carmina think f slw travel?
A. It can make travelers save a lt f mney.
B. It can let travelers experience the place deeply.
C. It can allw travelers t explre mre places.
D. It can save travelers much mre time.
34.What might the authr cntinue talking abut?
A. Other ways f travel.B. The definitin f slw travel.
C. The prper places fr slw travel.D. The advantages f slw travel.
35.In which part f a newspaper can yu prbably read the text?
A. Sprts.B. Sciety.C. Life.D. Educatin.
J
Nearly 6,000 years ag, ancient peple climbed dry, rcky hills in what is nw the Nigerian Sahara and carved large images f giraffes int the sandstne. The quite detailed Dabus giraffe rck art is ne f many ancient carvings f giraffes fund in Africa. We are still attracted t giraffes tday, but many f these animals are at risk, largely due t habitat lss and illegal hunting.
Giraffes make their hmes in many different envirnments with varied levels f human influence. Each area has unique envirnmental cnditins and prtectin measures. There is n ne-size-fits-all apprach t prtecting giraffe habitats and prmting harmnius living between giraffes and humans.
T understand hw giraffes are traveling acrss Africa, cnservatin eclgists（保護(hù)生態(tài)學(xué)家）like me are studying hw they interact with their habitats acrss large gegraphic regins, using space-age technlgy and advanced statistical（統(tǒng)計(jì)學(xué)的）appraches that ancient peple culd have hardly imagined.
We have carried ut a large giraffe-tracking study t better understand giraffes? mvements. Each tracking peratin cntributes t lcal studies by telling us smething interesting abut giraffe behavir. The study is als imprtant fr guiding lcal management f giraffes. We share giraffe lcatin data（數(shù)據(jù)）in real time with fficials in prtected areas t guide day-t-day cnservatin actins.
Overall, we?ve fund that n average, each animal has a hme range f abut 140 square miles and travels abut 8.5 miles every day. One f the biggest mvers in ur study, a female nrthern giraffe in Niger that traveled amng cmmunities raising farm animals in the dry Sahel, cvered a hme range f nearly 1,500 square miles—larger than the land area f Rhde Island.
Giraffes? mvements changed significantly based n the supply f fd surces and the level f human presence. They tended t mve less in places with rich resurces r significant human develpment. They traveled faster and cvered larger areas when they were mving between resurce-rich areas and mre heavily develped areas.
Our mvement data frm giraffes acrss Africa is thrwing new light n their respnses t different cnditins and prviding imprtant infrmatin fr cnserving these unique animals in a rapidly changing wrld.
36.Why des the authr mentin the Dabus giraffe rck art?
A. T shw the ancients? attractin t giraffes.
B. T explain ancient ways f hunting giraffes.
C. T describe the ancients? effrts t save giraffes.
D. T stress the detail in ancient carvings f giraffes.
37.What is paragraph 2 mainly abut?
A. Envirnmental influences n giraffes.
B. Challenges in prtecting giraffes.
C. Human-giraffe relatinships.
D. Varius habitats f giraffes.
38.What did the large study find?
A. Giraffes can get alng with farm animals.
B. Giraffes cver impressively large areas.
C. Giraffes prefer living in dry areas.
D. Giraffes have a sense f hme.
39.What is the best title fr the text?
A. The impact f habitat lss n giraffes
B. Studying giraffes based n histrical data
C. Tracking giraffes acrss varius lcatins
D. A high-tech apprach t giraffe cnservatin
K
Amid the busy Kwln Flwer Market in Hng Kng, China, envelped by the sweet sngs f birds, yu?ll find ne f Hng Kng?s last remaining birdcage (鳥籠) makers — Chan Lk-chi. The 81 years ld artist is a master in the art f making traditinal birdcages.
In the past, many teahuses wuld hang birdcages utside their shps, and bird wners wuld bring their birds t the teahuses t interact with ther bird enthusiasts. The teahuses became a place fr building friendships amng like-minded individuals while appreciating the beauty f nature thrugh their favrite feathered pets.
In the 1960s and '70s, Hng Kng had many skilled birdcage makers, and Chan was nt yet a well-knwn name. He tried his hand at ther industries t make ends meet, but he always fund himself ging back t the art f making birdcages. "Fr me, birdcage making is nt just an art; it represents the city?s cnnectin t traditinal Chinese culture and the imprtance f nature and harmny in the lives f peple, "he said.
Making a traditinal birdcage requires careful attentin t detail and a deep appreciatin fr the natural qualities f bamb. The flexibility f the material enables artists t create beautiful curves (曲線) and lines, giving each cage a unique and beautiful appearance. These birdcages transfrm simple bamb int appealing wrks f art, attracting bservers with their graceful beauty.
T make a simple birdcage, at least 48 bamb pieces are required, each ne particularly carved t ensure symmetry (對(duì)稱) and evenness. The bamb is then heated with a lamp t create the apprpriate curvature fr the cage, befre being put thrugh small hles in the bttm f the cage. Skilled artists carve patterns n the cage?s bttm and feet t create an amazing visual effect.
Fr Chan, he cnsiders birdcage-making his life?s wrk. Despite the decline in ppularity, Chan decides t stay in this industry. He has taken n eight students frm varius prfessins. He believes that with the previus generatin passing n their knwledge and the next generatin willing t take up the art, the traditin f birdcage-making can be preserved and cntinued.
40.What was the extra functin f birdcages utside teahuses in the past?
A. Decrating the teahuses.
B. Shwing the bird wners? scial class.
C. Helping expand peple?s scial circle.
D. Demnstrating the teahuses? business cnditin.
41.What?s Chan?s pinin abut birdcage making?
A. It recrds changes in Hng Kng peple?s lives.
B. It helps raise peple?s awareness f prtecting birds.
C. It reflects peple?s relaxing lifestyle in Hng Kng.
D. It carries the idea f harmny between man and nature.
42.Which aspect f the birdcage des Paragraph 5 mainly talk abut?
A. Its styles.B. Its materials.C. Its techniques.D. Its backgrunds.
L
In March, the water between Canada and Greenland, called Baffin Bay, is cvered with sea ice. Scientists in a helicpter fly ver, searching fr narwhals (獨(dú)角鯨). The narwhal is ne f the mst mysterius whale species n Earth. Each male sprts a single tusk (長(zhǎng)牙) 6 t 10 feet lng. Narwhals are the nly whales with tusks. They feed n fish, squid and shrimp. By staying under the ice, they avid killer whales and ther predatrs.
The helicpter lands n the frzen cean, and Dr. Jens Kblitz climbs ut. He studies animal sunds at the Bi Acustics Netwrk. And he wrks with Dr. Kristin Laidre, a bilgist wh studies mammals that live in the Arctic.
Dr. Kblitz lwers a weighted line int the icy water Attached t the line are 16 underwater micrphnes strung tgether, abut a yard apart. Each sund frm a narwhal hits each micrphne at a slightly different time. When Dr. Kblitz recrds, he captures infrmatin abut hw the whales dive and rise as they hunt fr fd.
“The windchill is minus 5 t minus 22 degrees Fahrenheit. I have t quickly get everything back inside the helicpter s my equipment isn’t destryed by the cld and ice,” he says.
Narwhals use echlcatin. The whales buzz, click, and creak. When that sund wave hits an bject, like a fish, it bunces back, prducing an ech. They use snar t find hles in the ice and prey in the dark.
But as the average glbal temperature increases, the Arctic ice is shrinking. The narwhal will face a severe threat as the ice melts. Fr centuries, sea ice has blcked mst ships frm the Arctic Ocean. But scientists predict the cean will be ice-free in a few decades. Then ships will ram the narwhals habitats. The nise f the ships may drwn ut the whales’ clicks.
Dr. Laidre says, “If we understand what sunds they use, we can better understand hw human impacts.” That understanding can shw humans hw t help narwhals survive.
43.What is special abut narwhals?
A. They are the largest whales.B. They live n sea creatures.
C. Male whales have tusks.D. They prefer living in warm waters.
44.What des Dr. Kblitz d in Baffin Bay?
A. Study mammals in the Arctic.B. Recrd narwhal sunds.
C. Track climate changes.D. Learn hw narwhals hunt fr fd.
45.Which f the fllwing best describes Dr. Kblitz’s wrk?
A. Challenging.B. Bring.C. Well-paid.D. Relaxing.
46.What des paragraph 6 mainly talk abut?
A. The effects f glbal warming n narwhals.
B. The current situatin f narwhals.
C. Scientists ' research n the cean.
D. Human activities in the Arctic.
參考答案：
1~4.【答案】D、A、D、C
5~8.【答案】D、A、B、D
9~11.【答案】D、B、D
12~15.【答案】B、B、C、A
16~19.【答案】C、A、B、D
20~23.【答案】C、C、B、A
24~27.【答案】B、B、B、C
28~31.【答案】D、C、B、C
32~35.【答案】C、B、D、C
36~39.【答案】A、B、B、D
40~42.【答案】C、D、C
43~46.【答案】C、B、A、A

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