三言
兩語
1.As is known to us，smartphones have become an important part in our daily life and we need them to chat，to surf the Internet as well as entertain ourselves.
2．It goes without saying that modern technology brings us convenience and comfort in life.
3．It is OK to leave an electrical appliance on so long as you are using it — if not，turn it off！
1.但是問題是許多中學(xué)生對(duì)手機(jī)越來越著迷。
But the problem is that_a_number_of_middle_school_students_are_growing_increasingly_addicted_to_phones.
2．顯而易見，電腦對(duì)我們的學(xué)習(xí)有很大的幫助，尤其是對(duì)我們的英語聽力。
It_is_obvious_that the computer is_of_great_help_to our study，especially to our English listening.

[單詞　拼寫應(yīng)用]
核心單詞
1．a(chǎn)ccuse vt.控訴，控告；譴責(zé)
2．function vi.起作用，正常運(yùn)轉(zhuǎn) n．作用，功能；職能
3．escape vi.& vt.逃跑，逃離，逃脫；被遺忘，被忽視；避免，避開 n．逃離，逃脫
4．master n．主宰；主人；大師 vt.精通，掌握；控制
5．hire vt.聘用，雇用；租用，租借
6．exit n．出口；離去，退場(chǎng) vi.& vt.出去，離去，退場(chǎng)
7．monitor n．(計(jì)算機(jī))顯示器；監(jiān)測(cè)器；班長(zhǎng) vt.& vi.監(jiān)視
8．pack vt.收拾(行李)，裝箱；包裝n.紙袋，紙盒；大背包；一群，一捆，一包
[語境運(yùn)用]　用所給詞的適當(dāng)形式填空
1．(2019·天津卷)A war injury has made his left hand stop functioning (function)，and he has often been in prison.
2．(2019·全國卷Ⅲ) They were well trained by their masters (master) who had great experience with caring for these animals.
3．(2019·全國卷Ⅰ)Through the Summer Employment Opportunities program，students are_hired (hire) each year in a variety of summer positions....
4．(2018·全國卷Ⅰ)．..old desktop monitors(monitor) and box TVs with cathode ray tubes are the worst devices with their energy consumption...
5．The Chinese discovered that the gas escaping (escape) from the tube could lift it into the air.
6．The high school students were_accused(accuse) of abusing their classmates the other day.
拓展單詞
1．injure vt.傷害，損害→injury n．傷害，損害；負(fù)傷
2．present v．頒發(fā)；展示；贈(zèng)送；呈現(xiàn)→presentation n．展示，介紹；頒發(fā)；提交，出示
3．real adj.真的，真實(shí)的→really adv.真地，真實(shí)地→reality n．現(xiàn)實(shí)，事實(shí)
4．disable vt.使殘疾→disabled adj.有殘疾的；喪失能力的→disability n．殘疾
5．confident adj.自信的，肯定的，有把握的→confidently adv.自信地→confidence n．信心，信任
6．disappoint vt.使失望→disappointed adj.失望的，沮喪的→disappointing adj.令人失望的→disappointment n．失望
7．social adj.社交的，交際的；社會(huì)的→society n．社會(huì)→socialism n．社會(huì)主義→socialist adj.社會(huì)主義的→socialize v．交往，交際
8．a(chǎn)maze vt.使驚奇，使驚詫→amazing adj.令人驚奇的→amazed adj.大為驚奇→amazement n．驚奇，驚愕，驚詫
[語境運(yùn)用]　用所給詞的適當(dāng)形式填空
1．Jack injured his leg when he was playing basketball yesterday.The doctor said that his injury was very serious.(injure)
2．He is quite confident that he will pass the exam.He works very hard and we all have confidence in him.(confident)
3．He was disabled in a car accident and his disability prevented him from holding any job.(disable)
4．To my disappointment，I saw a disappointed expression on his face due to his disappointing test score.(disappoint)
5．There is a very real difference between a dream and reality.(real)
6．If it is difficult for you to digest the graphs I presented during the presentation，ask our market leader for more information.(present)
7．To my amazement，the amazing news amazed the whole class and their teachers were also amazed.(amaze)
閱讀單詞
1．passive adj.被動(dòng)的
2．neighbourhood n．街區(qū)；鄰近的地方
3．sightseeing n．觀光，游覽
4．constant adj.連續(xù)發(fā)生的，不斷的；恒定的
5．mushroom n．蘑菇；傘菌
6．dinosaur n．恐龍
7．biology n．生物學(xué)
8．network n．(互聯(lián))網(wǎng)絡(luò)
9．secure adj.安全的；有把握的；穩(wěn)固的，堅(jiān)固的 vt.獲得；使安全

1．(2019·全國卷Ⅲ) Productions and the Great Griffon present the play by Rajiv Joseph，in which an origami (折紙術(shù)) artist invites a teenage talent and his teacher into her studio.vt.表演，呈現(xiàn)
2．(2017·全國卷Ⅰ) Cover the hole with the plastic sheet，securing the edges of the plastic with dirt and weighting the sheet's center down with a rock.vt. 固定
3．(2017·全國卷Ⅲ) The U．S.Fish and Wildlife Service carefully ①monitors and manages the wolf ②packs in Yellowstone.①vt. 監(jiān)控，監(jiān)視　②n. 一群(動(dòng)物)


[短語　多維應(yīng)用]
高
頻
短
語
1.add_to 使增加，使增強(qiáng)，使擴(kuò)大
2．speak_of 說起，談到
3．blow_up (使)爆炸
4．last_but_not_least 最后但同樣重要的
5．in_the_long_term/run 從長(zhǎng)遠(yuǎn)來看
[語境運(yùn)用]　(填入一個(gè)適當(dāng)?shù)脑~)
Speaking ①of science and technology，different people have different opinions.Some think it brings us a lot of convenience，adding ②to our happiness of life，while others are concerned about the disadvantages along with it.In my opinion，I think it's beneficial to us in ③the long term/run，and we should take advantage of it.
6.set_up 設(shè)立，建立
7．connect_with/to 與……連接
8．give_out/off 放出(聲、光、氣等)；公布
9．put_forward 提出，提議
10．carry_out 執(zhí)行；實(shí)行；貫徹
[語境運(yùn)用]　(填入一個(gè)適當(dāng)?shù)脑~)
A new cross-sea bridge is to be set up to connect ④with two cities，which was given ⑤out by the government last week，but the question is put ⑥forward whether we have enough money for this project.At last，the government announces that the plan will not be carried ⑦out until all preparations have been made.
11.hold_on_to 緊緊抓住
12．in_terror 驚恐地
13．compared_with與……比較起來
14．a(chǎn)s_to 至于，關(guān)于
15．be_filled_with 充滿
16．a(chǎn)ll_of_a_sudden 突然
[語境運(yùn)用]　(填入一個(gè)適當(dāng)?shù)脑~)
Several days ago，I experienced a travel to space with the aid of VR.⑧As to the travel，I thought it was unusual.Compared ⑨with other travels，it was convenient for me to float in space though I was filled ⑩with anxiety and afraid of being injured.I held on ?to my guide ?in terror，who was quite confident and frequently told me a few guidelines that I should follow.Finally I came to feel ease.
[句式　結(jié)構(gòu)仿寫]
教材原句背誦
句式仿寫應(yīng)用
1.not only 位于句首，所在的分句使用部分倒裝
Not only will he or she feel every step of climbing Mount Qomolangma，but the user will also experience the cold，smells，sights and sounds of the surrounding environment...
(2019·全國卷Ⅰ) 不僅可愛與積極生活的結(jié)果有關(guān)，而且也是造成那些結(jié)果的原因。
Not_only_is_likability_related_to positive life outcomes，but it is also responsible for those outcomes，too.
2.It's (about/high) time (that) sb.did/should do sth.“是某人該做某事的時(shí)候了”
In my opinion，it is about time we had new computers.
是當(dāng)?shù)卣摬扇〈胧┍Ｗo(hù)環(huán)境的時(shí)候了。
It's (about/high) time that the local government took/should_take_measures _to_protect_the_environment.
3.“be of＋抽象名詞”結(jié)構(gòu)
It is of chief importance to our future...
這個(gè)活動(dòng)很重要，所以你們每個(gè)人都應(yīng)該積極參加。
(2018·全國卷Ⅱ·滿分作文)This activity is_of_great_significance，so every one of you should take part in it actively.

1．reality n．[U] 現(xiàn)實(shí)，真實(shí)；[C]事實(shí)，現(xiàn)實(shí)(的事物)
(1)in reality事實(shí)上，實(shí)際上
come into reality 夢(mèng)想實(shí)現(xiàn)
become a reality成為現(xiàn)實(shí)
(2)realize vt. 實(shí)現(xiàn)；意識(shí)到；了解
realistic adj.現(xiàn)實(shí)的；現(xiàn)實(shí)主義的

make the proposals a reality 使這些建議變成現(xiàn)實(shí)
have to face reality sooner or later遲早得面對(duì)現(xiàn)實(shí)
bring sb.back to reality 使某人面對(duì)現(xiàn)實(shí)；不再抱有幻想

[基礎(chǔ)練習(xí)]——單句語法填空
①(2017·全國卷Ⅱ)But Mann thinks Terrafugia has come closer than anyone to making the flying car a reality.
②In reality，my grandfather can no longer walk.
[能力提升]——詞匯升級(jí)
(普通表達(dá))His dream of going to college has been realized.
(高級(jí)表達(dá))His dream of going to college has_become_a_reality/_has_come_ into_reality.(reality)
2．a(chǎn)maze vt.使驚奇，使驚詫
(1)It amazes sb.that...(＝What amazes sb.is that...) 使某人驚奇的是……
(2)It's amazing that...令人驚訝的是……
(3)be amazed at/by...對(duì)……感到驚訝
be amazed to do sth.做某事感到驚訝
(4)to one's amazement 令某人驚訝的是
in amazement 驚愕地

be amazed at how modern everything was對(duì)一切都這么現(xiàn)代化大為驚訝
be amazed to hear this news得知這個(gè)消息大為震驚
stare at the animal in amazement 驚愕地盯著這個(gè)動(dòng)物

[基礎(chǔ)練習(xí)]——單句語法填空
①Visitors are amazed to_find (find) that great changes have taken place in Shanghai within a year.
②We were completely amazed at/by the wonder and the greatness of nature.
[能力提升]——句式升級(jí)
(普通表達(dá)) To our amazement，the young boy who had lost both arms in an accident could handle a pen with his feet.
①(高級(jí)表達(dá))What_made_us_amazed_was_that the young boy who had lost both arms in an accident could handle a pen with his feet.(主語從句)
②(高級(jí)表達(dá)) It_amazed_us_that the young boy who had lost both arms in an accident could handle a pen with his feet.(it作形式主語)
[名師點(diǎn)津]　可用于“to one's＋ n．”結(jié)構(gòu)中的名詞還有：delight，surprise，satisfaction，astonishment，disappointment等。
3．confident adj.自信的；肯定的，有把握的
(1)be confident in 相信，信任
be confident about/of sth./that...確信……
(2)have confidence in 對(duì)……有信心
with confidence自信地；有信心地
in confidence私下地；秘密地
have confidence to do...有做……的信心

make her more confident 使她增強(qiáng)了自信心
be confident in one's identity對(duì)自身充滿信心
be confident about the future 對(duì)未來充滿信心
be fully confident of winning the title 對(duì)贏得冠軍信心十足

[基礎(chǔ)練習(xí)]——單句語法填空
Your encouragement made me more confident of/about my future.
[能力提升]——一句多譯
我認(rèn)為，盡管我們有自信，我們也應(yīng)該承認(rèn)別人的長(zhǎng)處并尊重他們。
①In my opinion，while we are_confident_in_ourselves，we should recognize strengths in others and show respect for them. (confident)
②In my opinion，while we have_confidence_in_ourselves，we should recognize strengths in others and show respect for them. (confidence)
4．injure vt.傷害，損害
(1)injury n. 傷害，傷口
do sb./oneself an injury(＝do an injury to sb./oneself) 使某人/自己受傷害
(2)injured adj.受傷的
get injured 受傷
the injured 傷員

injure an arm in a car accident 在車禍中傷了一只手臂
injure a man's pride 傷害某人的自尊心
her badly injured ankle 她嚴(yán)重受傷的腳踝

[基礎(chǔ)練習(xí)]——單句語法填空
①But now，because my left foot was_injured (injure) in the football game，I cannot go with you as planned.
②It is reported that the injured (injure) have been transferred to local hospitals for treatment.
[能力提升]——詞匯升級(jí)
(普通表達(dá)) Remind John not to injure himself when he plays outdoors.
(高級(jí)表達(dá)) Remind John not to do_an_injury_to_himself(＝do_himself_an_ injury) when he plays outdoors.(injury)
5．disadvantage n．缺點(diǎn)；不利因素，障礙
(1)at a disadvantage 處于不利地位
advantages and disadvantages 利與弊
to one's disadvantage對(duì)某人不利的是
(2)advantage n．優(yōu)勢(shì)；有利條件
take advantage of 利用
have an advantage over 勝過
to one's advantage 對(duì)某人有利的是

put him at a disadvantage 使他處于不利地位
a great disadvantage to him 他的不利之處
the advantages and disadvantages of this machine這種機(jī)器的優(yōu)點(diǎn)和缺點(diǎn)

[基礎(chǔ)練習(xí)]——語段語法填空
To his advantage，he is smart and hard-working，having an advantage over others.He should take full advantage of this and overcome all his disadvantages (advantage) to achieve his dream.
[能力提升]——詞匯升級(jí)
(普通表達(dá))I think we should fully use this technology to improve the quality of our products.
①(高級(jí)表達(dá))I think we should take_full_advantage_of this technology to improve the quality of our products.(advantage)
②(高級(jí)表達(dá))I think we should make_full_use_of this technology to improve the quality of our products.(use n．)
6．a(chǎn)ccuse vt.控訴，控告；指責(zé)；譴責(zé)
(1)accuse sb.of (doing) sth.＝charge sb.with (doing) sth.控告/指責(zé)某人(做了)某事
accuse sb.as...控告某人為……
accuse...for...因……而責(zé)怪……
(2)the accused 被告

be accused as a murderer 被指控為殺人犯
accuse her of dishonesty指責(zé)她不誠實(shí)
accuse the government of not caring about the poor控告政府不關(guān)心窮人

[基礎(chǔ)練習(xí)]——單句語法填空
①Though this young man was accused as a thief，he was very calm.
②He accused his boss of breaking/having_broken (break) his word.
[能力提升]——一句多譯
她指控我玩忽職守。
①She accused_me_of neglecting my duty.(accuse)
②She charged_me_with neglecting my duty.(charge)
7．function vi.起作用，充當(dāng)，正常運(yùn)轉(zhuǎn)(工作)，活動(dòng) n．作用，功能；職能，職責(zé)
(1)function as...擔(dān)任/起……作用，具有……
function well (properly)/normally/efficiently 運(yùn)轉(zhuǎn)良好/正常/高效
(2)perform a function 發(fā)揮作用/功能


the function of the heart心臟的功能
carry out their own particular functions履行他們各自的職責(zé)
function as an educational and study centre 用作教育和研究中心

[基礎(chǔ)練習(xí)]——寫出下列句中function的詞性和含義
①You know I can't function without a coffee in the morning.vi.正常工作
②As is well known，the function of a clock is to tell the time.n.功能，作用
[能力提升]——一句多譯
如果你不給機(jī)器加油的話，它就不會(huì)正常運(yùn)轉(zhuǎn)。
①The machine won't function_normally if you don't oil it.(function v．)
②The machine won't perform_a_normal_function if you don't oil it.(function n．)
8．escape vi.& vi.逃跑，逃離，逃脫；避開，避免；被遺忘，被忽略 n．逃離，逃脫
(1)escape from 從……逃走；逃脫，逃跑
escape doing sth.逃脫做某事
sth.escape(s) sb.某物被某人遺忘；未被注意
escape death/punishment死里逃生/逃脫懲罰
(2)a narrow escape 僥幸逃脫，九死一生

an escape from reality 逃避現(xiàn)實(shí)
escape one's memory被某人遺忘
have a narrow escape from being eaten by sharks 差點(diǎn)被鯊魚吃掉

[基礎(chǔ)練習(xí)]——單句語法填空
①To their relief，their students narrowly escaped from the shaking building.
②It's reported that the driver tried to escape being_caught (catch) after knocking four people to death.
[能力提升]——一句多譯
你很幸運(yùn)地逃過了懲罰。
①You are lucky to_escape_punishment.(escape sth.)
②You are lucky to_escape_being_punished.(escape doing)
9．a(chǎn)dd to使增強(qiáng)，使增加，使擴(kuò)大
add up 合計(jì)，相加
add up to 合計(jì)為，結(jié)果是
add...to...把……加到……中
add that...補(bǔ)充說……

add to the value of the book增加這本書的價(jià)值
add a rhythmic charm to the performance 使演出更具魅力
add up to a complete failure結(jié)果是徹底失敗了

[基礎(chǔ)練習(xí)]——單句語法填空
①Perhaps you think you could easily add to your happiness with more money.
②If you add up those four figures，it adds up to over $500.
[能力提升]——一句多譯
三加四等于七。
①Three added_to_four makes/equals seven.(add to)
②If you add_three_to_four，you will get seven.(add...to...)
10．put forward提出，提議；推薦；將……提前；撥快(時(shí)鐘指針)
put away 把……收拾好，整理；儲(chǔ)蓄
put aside 把……放到一邊；暫不考慮
put down 放下，寫下，記下；鎮(zhèn)壓
put on 穿上；上演；增加
put off 推遲，延期
put up 搭建；張貼；為……提供住宿
put through 接通電話；完成
put out 撲滅；熄(燈)

put forward a plan for the committee to consider 提出一項(xiàng)計(jì)劃交由全體委員審議
put the meeting forward an hour 把會(huì)議提前一小時(shí)
put the chair forward to get a better view 把椅子往前挪一點(diǎn)以便看得更清楚些

[基礎(chǔ)練習(xí)]——寫出下列句中put forward的含義
①M(fèi)y watch was slow，so I put it forward three minutes.撥快
②We put forward the date of the training by two months.將……提前
③(2016·天津卷) The manager put forward a suggestion that we should have an assistant.There is too much work to do.提出
[能力提升]——完成句子
他在會(huì)上提出的計(jì)劃非常實(shí)用。
The plan (that/which_was)_put_forward by him at the meeting turned out to be very practical.
11．(教材P42) Not_only_will_he_or_she feel every step of climbing Mount Qomolangma，but the user will also experience the cold，smells，sights and sounds of the surrounding environment...使用者不僅能感受到攀登珠穆朗瑪峰的每一步的艱辛，還能體驗(yàn)到周圍環(huán)境的寒冷、氣味、景觀和聲音……
[句型公式]　句中“not only...but also...”連接的是兩個(gè)并列分句，意為“不僅……，而且……”。not only 引導(dǎo)的分句放在句首，此分句要部分倒裝。
(1)not only...but also...用于連接兩個(gè)表示并列關(guān)系的成分，著重強(qiáng)調(diào)后者；其中的but或also有時(shí)可以省略。
(2)not only 引導(dǎo)的分句放在句首，此分句要部分倒裝，但but also連接的分句不倒裝。
(3)連接兩個(gè)主語時(shí)，謂語動(dòng)詞要與其最近的主語保持人稱和數(shù)的一致(即就近原則)。
[金句推送](2019·北京卷) Not only will you help our young volunteers to develop personally，you'll also learn new skills and increase your cultural awareness.
您不僅將幫助我們年輕的志愿者個(gè)人發(fā)展，您還將學(xué)習(xí)新的技能，提高您的文化意識(shí)。
[基礎(chǔ)練習(xí)]——單句語法填空
①Not only did(do) we forget to turn off the lights in the kitchen，but we (also) failed to lock the front door.
②Not only the students but also the teacher was(be) against the plan at that time.
[能力提升]——句式升級(jí)
(普通表達(dá)) He is not only a teacher but also a writer.
(高級(jí)表達(dá))Not_only_is_he_a_teacher，but also he is a writer.(倒裝句)
[名師點(diǎn)津]　適用于“就近原則”的結(jié)構(gòu)還有：either...or...; neither...nor...; not...but...等。
12．(教材P53) In my opinion，it_is_about_time we had new computers.在我看來，我們應(yīng)該有新的電腦了。
[句型公式]　句型“It's about time sb.did sth.”意為“是某人該做某事的時(shí)候了”，該句型在作用上相當(dāng)于“It's (high) time (that) sb.should do sth.”結(jié)構(gòu)。
It's time (for sb.) to do sth.是該(某人)做某事的時(shí)候了。
It's time for sth.是……的時(shí)候了。
It/This/That is/was the...time (that) sb.has/had done sth.這是某人第……次做某事。(主句用一般現(xiàn)在時(shí)或一般過去時(shí)，而從句相應(yīng)地用現(xiàn)在完成時(shí)或過去完成時(shí))
It's a time when...是一段……的時(shí)期。
[金句推送](2017·江蘇卷·寫作佳句)It's high time the film industry should make greater efforts to attract more viewers.
現(xiàn)在是電影業(yè)應(yīng)該做出更大努力來吸引更多觀眾的時(shí)候了。
[基礎(chǔ)練習(xí)]——單句語法填空
①It was the first time that a Canadian had_won(win) a gold medal in a Winter Olympics.
②This is the first time that I have_heard(hear) him sing.
[能力提升]——句式升級(jí)
(普通表達(dá))It's time for him to consider what to do with the money.
(高級(jí)表達(dá))It's_time_that_he_considered/should_consider what to do with the money.

多維訓(xùn)練——夯實(shí)基礎(chǔ)
維度1——用所給詞的正確形式填空
1．This is a second-hand car，but it functions(function) well.
2．You will be_amazed (amaze) at the progress we have made in such a short time.
3．I have confidence (confident) in beating you in the competition.
4．There's no denying that the attack has done a severe injury (injure) to his reputation.
5．One of the disadvantages (advantage) of the solar car is too expensive for common people.
6．He accused the government of refusing (refuse) to face facts about the economy.
7．He escaped being_killed (kill) in the explosion because he had not gone to work.
8．Not only I but also Jack and Tom are (be) interested in the activity.
9．It is high time that the government took/should_take (take) measures to stop pollution.
10．One Friday，we were_packing(pack) to leave for a weekend away when my daughter heard cries for help.
維度2——在空白處填入一個(gè)適當(dāng)?shù)脑~
1．The bad weather only added to our difficulties.
2．When seeking for a job，a college graduate is at a disadvantage in terms of working experience.
3．The teacher wants the children to feel confident about asking questions when they don't understand.
4．The manager put forward a suggestion that we should have an assistant.
5．It was a race against the clock whether the doctor would get to the accident soon enough to save the injured.
維度3——查缺補(bǔ)漏
單句語法填空
1．Last but not least，I'd like to thank all the catering staff.
2．I find it hard to_master (master) a foreign language.
3．You can exit the system by pressing (press) the F3 button.
4．Compared (compare) with conducting an interview by QQ online，a face-to-face interview in person can provide people with more reliable details.
5．I didn't get much of an impression (impress) of the place because it was dark when we drove through it.
單句改錯(cuò)
6．We are constant wondering and trying to find out what's over the hill and beyond the horizon.constant→_constantly
7．The outcome of the court case was disappointed for the family involved.
disappointed→_disappointing
維度4——話題寫作
1．補(bǔ)全要點(diǎn)句 (加黑體部分請(qǐng)利用本單元所學(xué)詞匯)
①科學(xué)技術(shù)的不斷發(fā)展給我們帶來了許多便利。
The_constant_development of science and technology has brought us much_convenience.
②我們可以打電話、發(fā)短信，還可以用它來上網(wǎng)、網(wǎng)上聊天、收發(fā)電子郵件等。
We can make phone calls and send message with it; we can also surf_the_ Internet，chat online and receive or send e-mails，etc.
③借助于虛擬現(xiàn)實(shí)技術(shù)，我們足不出戶就可以周游世界。
We can go_sightseeing_around_the_world by using the technology of virtual reality without leaving our homes.
④我們相信科學(xué)技術(shù)將為我們未來的生活帶來更多驚喜。
We are_confident_that science and technology will give us more surprises.
⑤這些發(fā)明給我們帶來了快樂，在我們的生活中起著重要的作用。我們不能忽視它們的缺點(diǎn)。
These inventions have brought us happiness and are performing_ an_important _function in our life.We shouldn't ignore_their_ disadvantages.
⑥我們?cè)谙硎芸萍汲删蛶Ыo我們的一切。我們要學(xué)會(huì)利用科學(xué)技術(shù)來保護(hù)我們的家園——地球。
We are enjoying what the scientific achievements have brought us.We have to learn to_take_advantage_of_the_science_and_technology to protect our home—the earth.
2．升級(jí)平淡句
(1)利用not only...but also...升級(jí)1中的句②
Not_only_can_we_make_phone_calls_and_send_message_with_it，but_also_we_ can_surf_the_Internet，chat_online_and_receive_or_ send_e-mails，etc.
(2)利用though引導(dǎo)讓步狀語從句升級(jí)1中的句⑤
Though_these_inventions_have_brought_us_happiness_and_are_performing_an_important_function_in_our_life，we_shouldn't_ignore_ their_disadvantages.
(3)利用while引導(dǎo)時(shí)間狀語從句升級(jí)1中的句⑥
While_we_are_enjoying_what_the_scientific_achievements__have_brought_us，we_have_to_learn_to_take_advantage_of_the_science_ and_technology_to_protect_our_home—the_earth.
3．銜接成美文 (注意利用適當(dāng)?shù)倪^渡銜接詞匯：what's more，last but not least)
The constant development of science and technology has brought us much convenience.Take the latest smartphones for example.Not only can we make phone calls and send message with it，but also we can surf the Internet，chat online and receive or send e-mails，etc.What's more，we can go sightseeing around the world by using the technology of virtual reality without leaving our homes.We are confident that science and technology will give us more surprises.Though these inventions have brought us happiness and are performing an important function in our life，we shouldn't ignore their disadvantages.Last but not least，while we are enjoying what the scientific achievements have brought us，we have to learn to take advantage of the science and technology to protect our home—the earth.

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