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1、Unit 2 CloningPeriod 2.词汇基础A单词拼写1The couple had t_ boys who looked exactly the same with each other.2We must protect the natural woods here, and strictly f_ the cutting down of trees.3He seemed cool and confident; Im sure he is going to o_ the job.4The deaf were hoping for a(n) _ (突破) in science tha
2、t could allow them to hear.5He is _ (坦诚的) when talking, and I feel happy listening to him.6Her _(任意的) acts have affected the performance of the entire team.7I have been to your home three times _ (总共) this month.8He _ (到达) the age of 25 before marrying.9She _ (承担) the organization of the whole schem
3、e.10He will explain the entire _ (程序) so that you can understand it.【答案】1.twin2.forbid3.obtain4.breakthrough5straightforward6.arbitrary7.altogether 8attained9.undertook10.procedureB选词填空1His father is very stubborn and _ him to play his favorite violin.2Through years of hard work，he finally made a _
4、in his experiment.3To be_，I wont keep in touch with him any more.4This information can be easily _ on the Internet.5There were a lot of _ when Jim put forward his plan at the meeting.6It is quite a complicated _ to apply to study in this university.7Though they are twins，their personalities _ from e
5、ach other.8The earthquake made a great _ on China.9He _ to take the place of Mary to go on a business trip.10He will_on a pension at 65.【答案】1.forbids2.breakthrough3.exact4.obtained5objections6.procedure7.differ8.impact9undertook10.retireC句型转换1We have invited fifty people in all.We have invited fifty
6、 people _.2We take objection to the plan.We _ _ the plan.3The rain forbade us to go out.The rain stopped us _ _ _.4The boy rushed out.Out _ _ _.5At eight oclock，he set about doing his homework.At eight oclock，he _ _ _ his homework.【答案】1.altogether2.object to3.from going out4rushed the boy5.undertook
7、 to doD完成句子1不同的银行利率不同。Interest rates _ _ bank _ bank.2汤姆反对像对待孩子似的对待他。Tom _ _ _ _ like a child.3约翰考试前学习很刻苦，这得到了回报。John studied hard before examination，and it _ _.4他以不跟我说话的方式报复了我。He _ _ _ by not talking with me.5今天你能帮我个忙去学校接萨姆吗？Could you _ _ _ _ to pick up Sam from school today?【答案】1.differ from；to2.o
8、bjects to being treated3paid off4.paid me back5.do me the favor.完形填空阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。Once upon a time in a land far away, there was a _1_ old man who loved everything：animals, spiders, insectsOne day _2_ walking through the woods the nice old man found a cocoon of a butter
9、fly.He _3_ it home.A few days later, a small _4_ appeared；he sat and watched the butterfly for several hours _5_ it struggled to force its body through that little hole.Then it seemed to _6_ making any progress.It appeared as if it had gotten as far as it could and it could go _7_ farther.Then the m
10、an decided to help the _8_， so he took a pair of scissors and _9_ the remaining bit of the cocoon.The butterfly then came out _10_._11_ it had a swollen(肿胀的) body and small，shriveled(枯萎的) wings.The man _12_ to watch the butterfly because he expected that，at any moment，the wings would _13_ to be able
11、 to support the body，which would contract in time.Neither happened！_14_， the butterfly spent the rest of its life crawling(爬) around with a swollen body and shriveled wings.It never was able to _15_.What the man in his kindness and hurry did not _16_ was that the restricting cocoon and the struggle
12、required for the butterfly to _17_ the tiny opening were natures way of forcing fluid from the body of the butterfly into its wings so that it would be ready for flight once it achieved its _18_ from the cocoon.Sometimes _19_ are exactly what we need in our life.If we were allowed to go through our
13、life without any challenges, it would weaken us.We would not be as _20_ as what we could have been.And we could never fly.()1.A.coldBkindCpolite Dtiresome()2.A.unless BifCwhile Dbecause()3.A.took BmovedCcirculated Ddashed()4.A.sign BshadowCshade Dopening()5.A.and BuntilCas Dthen()6.A.stop BpreventCa
14、ppeal Dadapt()7.A.any BmoreCno Dmuch()8.A.bug BbutterflyCanimal Dfly()9.A.took down Btook apartCcut down Dcut open()10.A.greedily BeasilyChardly Dquickly()11.A.Generally BEvenCSo DBut()12.A.sought BlastedCcontinued Dbegan()13.A.enlarge BshortenCtighten Ddarken()14.A.In conclusion BIn timeCIn fact DIn particular()15.A.walk BflyCflee Drun()16.A.read BdisturbCsettle Dunderstand()17.A.get out Bget throughCget away Dget down()18.A.freedom BoutcomeCbalance Dreliability()19.A.struggles BpassionsCmanners Dspirits()20.A.weak BintelligentCgifted Dstrong【答案】15BCADC610ACBDB1115DCACB1620DBAAD