Spending tw r three hurs playing utdrs each day can reduce the chance f becming shrt-sighted, a research shws.It challenges the belief(信念) that shrt-sightedness is caused by cmputer use, watching TV r reading in weak light.
The Australian gvernment researchers believe that the sunlight is gd fr peple’s eyes.They cmpared the visin(視力) and habits f 100 seven-year-ld children in Singapre and Australia.In all, 30% f the Singaprean children were shrt-sighted—this rate(比率) was ten times higher than Australian children.
Bth grups spend a similar amunt(數(shù)量) f time reading, watching televisin and playing cmputer games.Hwever the Singaprean children spent an average (平均) f nly half an hur a day utdrs—90 minutes less than the Australian children.
Prfessr Ian Mrgan, frm the Australian Research Cuncil’s visin Centre, said, “Humans are naturally lng-sighted, but when peple begin t g t schl and spend little r n time utdrs, the number f shrt-sighted peple gets larger.We’re als seeing mre and mre shrt-sighted children in cities all arund the wrld and the main reasn may be that city children spend less time utdrs.
Daylight can be hundreds f times brighter than indr light.But why des playing utside prevent us frm becming shrt-sighted? Scientists believe that natural light has a special chemical(化學物質(zhì)) which stps the eyeball frm grwing ut f shape and prevents peple frm becming shrt-sighted.
S be utdrs.It desn’t matter if that time is spent having a picnic r having sprts.
1. Hw much time did the Australian children spend utdrs n average accrding t the research?
A.30 minutes. B.60 minutes. C.90 minutes. D.120 minutes.
2. Which f the fllwing is TRUE accrding t the passage?
A.If peple spend less time utdrs they will certainly becme shrt-sighted.
B.There are fewer shrt-sighted Singaprean Children than Australian children because
they have mre knwledge f prtecting their eyesight.
C.There will be fewer risks f getting shrt-sighted if peple spend tw r three hurs a day playing utside.
D.When peple begin t g t schl they will becme lng-sighted.
3. What is the fifth paragraph mainly abut?
A.Why natural daylight has a special chemical.
B.Why daylight prevents peple frm becming shrt-sighted.
C.Why daylight is much brighter than indr light.
D.What the special chemical which can stp eyeballs frm grwing ut f shape is.
參考答案1.D 2.C 3.B
Passage B
中考英語閱讀理解分類練習：教育類
It is a very usual thing fr a persn t have a gd friend.My gd friend is Diana.She is a rich and prud (驕傲) girl.She ften thinks that she is t gd fr anyne.
One day after schl, I was waiting fr Diana when Vivien came up t me.She gave me a cake, I gt it.We talked and jked.Frm then n, I began t spend mre time with Vivien than Diana.Hwever, I als began t feel a little uneasy.
After a few days, I went t see Diana with sme snacks and at that time Vivien came and sat with me.She gave me a sandwich.She als gave ne t Diana, but Diana didn’t get it.She walked away.I was angry with Diana fr being s rude.
"Never mind," Vivien said , " I’m used t (習慣) it."
After schl, I tried t catch up with Diana.When we walked hme, I tried t crrect her attitude (態(tài)度), but she wuld nt listen t me.She said, “G and jin yur ‘dear’ Vivien.I knw yu make new friends and frget the ld nes.”
Fr the next few weeks, we did nt talk t each ther.Then, ne day, Diana came t Vivien and me, saying, “I’m really srry abut what I did.I’m a spiled (寵壞) girl, but I als need gd friends just like yu.Wuld yu please frgive (原諒) me? Vivien and I lked at each ther and smiled.Frm then n, Diana, Vivien and I are best friends.
【小題1】The writer was angry with Diana .
A．because she was t gd fr anyne
B．when Diana didn’t get Vivien’s sandwich
C．thugh (雖然) she asked the writer t frgive
D．s Diana walked away
【小題2】The underlined wrd “uneasy” means _______.
A．不容易B．忐忑不安C．不簡單D．想不開的
【小題3】Frm the passage, we can knw that .
A．Diana and the writer were gd friends
B．Diana didn’t like sandwiches
C．Vivien didn’t want t make new friends at all
D．the writer frgt her ld friends after she had new nes
【小題4】Vivien’s saying "I’m used t it." shws that .
A．smene didn’t want t give her their things
B．she liked t be plite
C．Diana was ften rude t thers
D．sme peple were rude t her befre
【小題5】Diana asked Vivien and the writer t frgive her because .
A．they didn’t spend much time with her
B．she knew she was wrng
C．Vivien and the writer didn’t talk t her
D．she was a rich and prud girl
Passage C
A Leg Walking Right
Here are sme signs + - x…, the signs are very different.They mean very different things.When yu see them, yu knw what t d.This sign + means that yu will add sme numerals.This sign—means that yu will take ne numeral away frm anther.Yu will subtract（減去）.What will yu d when yu see x and… ?
Our signs are easy t read.They are easy signs t remember.Lk at these tw signs… .The ancient Egyptians used these signs.A picture f a leg walking t the left tld them t add sme numerals.A picture f a leg walking t the right tld them t subtract.
In the 1500s peple used this printed（印刷的） sign & t add numerals.After a while the sign began t lk like this… .Later, the sign became +.
Hw much is 2…2?
1.What d yu d when yu see this sign +?
A.Walk away B.Write a numeral C.Read a sign D.Add
2.The wrd in the stry that means t take ne numeral away frm anther is _____.
3.The stry says, “Our signs are easy t read.They are easy signs t remember”.The wrd they means ______.
4.Which f the fllwing des this stry lead t believe?
A.Egyptians culd nt add numerals tgether
B.All Egyptians had tw left legs.
C.Our signs are nt hard t understand
5.What did the sign t add numerals begin t lk like(which sentence is exactly like the ne in yur bk)?
A.After a while, the sign began t lk like this… .
B.After a while, the sign began t lk like this +.
C.After a while, the sign began t lk like this &.
6.The main idea f the whle stry is that ______.
A.the signs fr adding and subtracting have changed.
B.Peple culd nt write in the 1500s
C.the ld signs were gd fr Egyptians but nt fr us
參考答案Key: 1.D 2.substract 3.signs 4.C 5.A 6.A
Passage D
（中考保健與健康類選練）
Hw much sleep d we need? We are all different.Sme peple need nly three hurs f sleep a night.Others need ten hurs f sleep a night.Mst Americans sleep an average ( 平均 ) f seven t eight hurs a night.After the age f fifty, the average sleep time ges dwn t 6.5 hurs a day.
Mst peple have a night when they cannt sleep.Abut ne in three(1/3) Americans has a prblem with sleep.Many f these peple can nt fall asleep.The name f this prblem is insmnia.
This is nt a new prblem.Many famus peple in histry had insmnia.Sme f these peple had special ideas t make them sleep.Benjamin Franklin, a famus statesman ( 政治家 ) and inventr, had fur beds.He mved frm ne t anther t fall asleep.King Luis XIV f France had 413 beds and hped t fall asleep in ne f them.Mark Twain, a famus American writer, had a different way.He lay n his side acrss the end f the bed!
( )1.Peple’s sleeping time at night is ____.
A.three hurs B.ten hurs C. nt the same D.nt different
( )2.In America, when peple are mre than fifty, they ften sleep _____ hurs a night.
A.a lt mre B.seven t eight C.nly three D.abut six and a half
( )3.When Benjamin Franklin culdn’t fall asleep, he ____.
A.went t sleep in anther bed B.made anther bed
C.mved the bed t anther rm D.slept n the flr
( )4.When he had sleeping prblems, _____ slept at the ther end f the bed.
A.Benjamin Franklin B.Luis XIV
C.Mark Twain D.Thmas Edisn
( )5.The wrd “ insmnia ” means ______ in Chinese.
A.失明 B.失眠 C.失語 D.失聰
參考答案1C 2D 3A 4C 5B
Passage E
（中考科普環(huán)保類選練）
Yu can nt see any bject unless light frm that bject gets int yur eyes.Sme f the things yu see give ff light f their wn.The sun, the stars, a lighted lamp are examples that can be seen by their wn light.Such things are luminus.Mst f the things yu see are nt giving ff light f their wn.They are simply reflecting light that falls n them frm the sun r sme ther luminus bdies.The mn, fr example, des nt give ff any light f its wn.It is nn-luminus.Yu see it because sunlight falls n it and sme f it reflects in ur directin.S mn light is nly secnd hand sunlight.
When yu lk at a bk, it sends t yur eyes sme f the light which falls n it, and yu see the bk.If light culd be kept ut frm where yu are s that there wuld be n light fr the bk t reflect, then yu culd nt see the bk even with yur eyes wide pen.
Light travels s fast that the time in which it travels frm the bk yu are reading t yur eyes is s shrt as if there were n time at all.Light reaches us frm the mn, which is abut 380 000 kilmeters away, in nly a little mre than a secnd.
1.Yu can see the bk because_______.
A.yur eyes are clse t it B.it reflects sme f the sunlight
C.it has light f its wn D.yur eyesight can get t it
2.The underlined wrd “l(fā)uminus” means_______.
A.visible B.all clrs C.giving ff light D.sunlight
3.Light traces abut _________ kilmeters per secnd.
A.380 000 B.300 000 C.400 000 D.190 000
4.Which f the fllwing is true?
A.The mment yu pen yur eyes the light frm the bk travels t yur eyes.
B.Light frm the bk is much shrter than that frm the mn.
C.All the things yu can see give ff light.
D.Light travels s fast that there is n time fr yu t read.
5.What is the main idea f the passage?
A. Yu can see and read a bk because yu pen yur eyes.
B. Sme bjects are luminus, sme nt.
C. Yu can see things because f light.
D. Light travels very fast s yu cannt ntice it.
參考答案BCBA C

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