人教版高中英语选修八unit 2 cloningsection ⅰ warming upreading.docx

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人教版高中英语选修八unit 2 cloningsection ⅰ warming upreading.docx

人教版高中英语选修八unit2cloningsectionⅰwarmingupreading

2.1新提升·课时作业

Ⅰ.单句语法填空

1.Thebrotherslookalike,buttheydifferwidely________eachother________theirtastes.

2.Don'tletyourselfbecast________byasmallfailureintheexperiment;tryagain.

3.Manyteachersstronglyobjectto________(smoke)atschool.

4.WhileinJapan,wepaidavisittotheschoolfounded________honourofafamouseducator.

5.—Iwonderhowmuchyouchargeforyourservices.

—Thefirsttwoarefree________thethirdcosts$30.

6.HeworkedhardbeforetheCollegeEntranceExamination,anditpaid________.Hisdreamofgoingtocollegecametrue.

7.Thehousestillneededalotofwork,but________leastthekitchenwasfinished.

8.—Ithinkheistakinganactivepartinsocialwork.

—Iagreewithyouin________way.

9.—Peopleshouldstopusingtheircarsandstartusingpublictransport.

—________(exact).Theroadsarecrowdedasitis.

10.Danbyleftwordwithmysecretary________hewouldcallagainintheafternoon.

11.Theoldmanwasinpoorhealth,sothedoctorforbadehim________(drink)wine.

12.Ifyougetupearlyandruneveryday,youwillbenefitalot________it.

答案:

1.from;in 2.down 3.smoking 4.in 5.while

6.off 7.at 8.a 9.Exactly 10.that 11.todrink 12.from

Ⅱ.完成句子

1.Whattheteachershavedone________________theirstudentsinthefuture.

老师的所为对学生的未来有重大影响。

2.Inthefrontoftheclassroom________________.

教室的前面坐着一位教授。

3.________________hewantedtobuytheexpensiveclothes;________________hedidn'thavemuchmoney.

一方面他想买这件贵衣服,另一方面他又没有很多钱。

4.Itwas________________whichroadtotake.

对我们来说,很难决定走哪条路。

5.Somepeoplewastefood________________.

一些人浪费食物,另一些人吃不饱。

答案:

1.hasagreatimpacton

2.sitsaprofessor

3.Ontheonehand;ontheotherhand

4.difficultforustodecide

5.whileothershaven'tenough

Ⅲ.单句改错

1.Customsdifferentindifferentcountries.

________________________________________________________________________

2.Threestonescasttothedogbeforeitwasdrivenout.

________________________________________________________________________

3.Thetwo-daybreakcanreleasethestudents,butontheonehand,thechildrenmaywastetoomuchtimeonTVorInternetgames.

________________________________________________________________________

4.Itcanbedifficultcloneatigerinashorttime.

________________________________________________________________________

5.Hispatiencehaspaidbackandhehaswonthematch.

________________________________________________________________________

答案:

1.第一个different→differ 2.cast前加were

3.one→other 4.clone前加to 5.back→off

Ⅳ.完形填空

Acloneisanexactcopyofaplantoranimal__1__fromanyonecell.SinceScottishscientistsreportedthattheyhad__2__tocloneasheepnamedDollyin1997,researchintocloninghasgrownrapidly.InMay1998,scientistsinMassachusettsmanagedtocreatetwoidenticalcalves(牛犊)__3__cloningtechnology.Amousehas__4__beenclonedsuccessfully,butthedebateovercloninghumansreallystartedwhenChicago__5__RichardSeedmadeasurprisingannouncement.“Wewillhavemanagedtocloneahumanbeingwithinthenexttwoyears,”hetoldtheworld.

Seed'sannouncement__6__alotofmedia'sattention.InEurope,nineteennationshavealready__7__anagreementbanninghumancloningandintheUSthePresident__8__:

“Wewillbeintroducing__9__lawtobanhumancloningandmanystatesintheUSwillhave__10__anti-cloninglawsbytheendoftheyear.”

Manyresearchersarenotsonegative__11__cloning.Theyareworriedthatlaws__12__humancloningwillthreatenimportantresearch.InMarch,theNewEnglandJournalofMedicinecalledanyplantobanresearchoncloninghumans__13__mistaken.Manyresearchersalsobelievethat__14__attemptstobanit,humancloningwillbecomeroutinebecauseitis__15__tostoptheprogressofscience.

Isthereareasontofearthatcloningwill__16__anightmareworld?

Thepublichasbeenbombarded(轰炸)withnewspaperarticles,televisionshowsandfilms,__17__cartoons.Suchinformationisoftenmisleading,andmakespeople__18__whatonearththescientistswillbedoingnext.

__19__thenextfivetotenyearsscientistswillprobablyhavefoundawayofcloninghumans.Itcouldbethat__20__soonwewillbeabletochoosethepersonthatwewantourchildtolooklike.

1.A.producesB.produce

C.producingD.produced

2.A.triedB.succeeded

C.attemptedD.managed

3.A.takingB.teaching

C.usingD.learning

4.A.tooB.either

C.alsoD.aswell

5.A.reporterB.physicist

C.writerD.artist

6.A.arousedB.rose

C.roseupD.wasraised

7.A.signedB.wrote

C.drewD.arrived

8.A.spokeB.told

C.reportedD.announced

9.A.theB.a

C.anD./

10.A.allowedB.agreed

C.passedD.approved

11.A.inB.for

C.beyondD.about

12.A.forbiddenB.permitting

C.banningD.referring

13.A.seriouslyB.personally

C.partlyD.possibly

14.A.despiteofB.though

C.althoughD.inspiteof

15.A.possibleB.impossible

C.likelyD.probably

16.A.leadtoB.stickto

C.cometoD.addupto

17.A.asmuchasB.asmanyas

C.aswellasD.asgoodas

18.A.puzzleB.worry

C.wanderD.wonder

19.A.UponB.Within

C.OutofD.At

20.A.muchB.pretty

C.tooD.more

答案与解析:

1.解析:

producedfromanyonecell“由任何单细胞产生的”,过去分词短语作定语。

aplantoranimal与produce之间存在被动关系,因此应用过去分词短语作定语。

答案:

D

2.解析:

managetodosth.“设法做成某事”;trytodosth.“努力去做某事”,但不一定成功;succeed不接todosth.;attempttodosth.“试图做某事”,但不一定成功。

而本句表示做成的一件事情,故选D项。

答案:

D

3.解析:

usingcloningtechnology“利用克隆技术”。

take“带走”;teach“教”;learn“学会”。

这三个词均不符合句意。

答案:

C

4.解析:

also表示“也”,一般放在句中系动词之后、实义动词之前;too用于肯定句的句末,either用于否定句的句末,都通常用逗号隔开;aswell用在肯定句中,放在句末。

答案:

C

5.解析:

Chicagophysicist“芝加哥物理学家”。

其余三项的人物不可能搞科研。

reporter“记者”;writer“作家”;artist“画家,艺术家”。

答案:

B

6.解析:

arousedalotofmedia'sattention“引起众多媒体的注意”。

rose是rise的过去式,表示“上升”;raised是raise的过去式,表示“抬起,引起,导致”,但此处用被动结构是错的;riseup的含义是“起义,上升”;而arouse的含义是“引起,激发”,符合句意。

答案:

A

7.解析:

signanagreement“签署一项协议”。

write的宾语不是anagreement,而是文字。

arriveatanagreement可表示“达成协议”,但D项中缺少介词at。

答案:

A

8.解析:

thePresidentannounced:

...“总统宣布……”,spoke,told和reported后都不加冒号。

答案:

D

9.解析:

...introducingalaw“推出一项法律”。

第一次提到此法律,用不定冠词。

答案:

B

10.解析:

willhavepassedanti-cloninglaws“将会通过反克隆法”。

与law搭配的是pass(通过)。

allow“允许”;agree“同意”;approve“赞成,同意”。

答案:

C

11.解析:

benegativeabout...“否定某事”。

答案:

D

12.解析:

banninghumancloning“禁止克隆人”。

虽然forbid也有“禁止”的含义,但应用forbidding,而不是forbidden。

答案:

C

13.解析:

...seriouslymistaken,从上一句中得到参考,任何禁止克隆人的法律都是严重错误的。

seriously“严重地”;personally“个人地”;partly“部分地”;possibly“可能地”。

答案:

A

14.解析:

inspiteof和despite为介词(短语),后接名词、代词或动词的-ing形式,though和although是连词,后接从句。

答案:

D

15.解析:

本段阐述了对克隆人的支持态度,itisimpossibletostoptheprogressofscience“要阻止科学的进步是不可能的”。

possible与likely均是“可能的”;probably“大概”。

答案:

B

16.解析:

leadtoanightmareworld“导致一个可怕的世界”。

stickto“坚持”,cometo“想起,复苏”,addupto“总共达”,都不与anightmareworld搭配。

答案:

A

17.解析:

只有aswellas表示“还有”的意义,后接cartoons。

asmuchas“像……一样多”,asmanyas“像……一样多”,asgoodas“像……一样好”。

答案:

C

18.解析:

wonder“想知道”,后接表示疑问意义的从句;puzzle“使迷惑”,worry“担忧”,wander“游逛”,都不接表示疑问意义的从句。

答案:

D

19.解析:

thenextfivetotenyears是时间段,只能用within,表示“在某个范围之内”。

答案:

B

20.解析:

pretty“相当地”,含有“very”之义,much一般不修饰副词,too表示“太”,暗示否定意义,more是比较级。

答案:

B

Ⅴ.阅读理解

Marketresearchhasbeendonetoseeifpeoplewouldacceptmeatfromeitherclonedanimalsortheoffspring(后代)ofclones.AstudydonebytheInternationalFoodInformationCouncilin2007askedUSrespondents(调查对象)iftheywouldbuymeat,milk,andeggsfromclonedanimals.

Oftherespondents,10%wouldbe“verylikely”,36%wouldbe“somewhatlikely”,while28%wouldbe“nottoolikely”andaquarter“notatalllikely”.Therespondentswereslightlymorefavourable(乐于接受的)whenaskedthesamequestionabouttheoffspringofclonedanimals.

IntheUS,thehormone(激素)rBSTisgiventocowstoincreasemilkproduction.IntheEUandanumberofotherplacessuchhormonetreatmentisbanned.ButevenintheUS,milkandmeatisoftenlabelled(贴标签)asrBSThormonefree.

TheUSFoodandDrugAdministration(FDA)isnotrequiringlabellingformeatfromclonedanimalsoroffspringofclonesbecauseitspositionisthatthereisnoscientificdifferencebetweenthatandnon-clonedmeat.Ithassaiditwillpermitvoluntarylabelling.

Anddespitethescientificevidenceitgave,therearestillplentyofcriticsagainstitspositiononclonedmeat.Afterthe2008guidancewaspublished,SenatorBarbaraMikulskisaid:

“TheFDAhasactedrecklesslyandIamverydisappointedintheirrushtoallowclonedfoods.Justbecausesomethingcreatedinalabdoesn'tmeanweshouldhavetoeatit.Ifwediscoveraproblemwithclonedfoodafteritisinourfoodsupplyandit'snotlabelled,theFDAwon'tbeabletorecallit.”

1.What'stheaimoftheInternationalFoodInformationCouncil'sstudy?

A.Toproveclonedfoodsaresafe.

B.Topersuadepeopletoeatclonedfoods.

C.Tofindthepossiblebadeffectsofclonedfoods.

D.Toknowpeople'sattitudestowardsclonedfoods.

2.Theunderlinedword“recklessly”inParagraph5istheclosestinmeaningto________.

A.carelesslyB.formally

C.effectivelyD.uselessly

3.AccordingtoSenatorBarbaraMikulski,________.

A.cloninganimalsisillegal

B.clonedfoodsshouldbelabelled

C.clonedfoodsshouldbeforbidden

D.clonedfoodshavehealthproblems

4.What'sthebesttitleforthepassage?

A.WhydopeopleintheUSnotliketoacceptclonedfood?

B.Differencesbetweenclonedandnon-clonedmeat

C.WhataretheattitudestowardsclonedfoodintheUS?

D.Variousresponsestoastudyonclonedfood

答案与解析:

本文讲述了在美国人们对待克隆食品的态度以及存在的种种争议。

1.解析:

细节理解题。

由第一、二段可知,InternationalFoodInformationCouncil进行这一调查和研究的目的是了解人们对克隆食品的态度。

答案:

D

2.解析:

词义猜测题。

根据下文“我很失望他们匆忙地许可了克隆食物”,可以判断前面recklessly一词应该表示“草率地;鲁莽地”之意。

答案:

A

3.解析:

推理判断题。

根据Barbara,Mikulski所说的“如果人们食用了克隆食品出了健康问题的话,如果没有标签这些食物将无法被召回”可推断他认为应该对克隆食品进行标签,因此判断B项正确。

答案:

B

4.解析:

主旨大意题。

该文主要讲述了美国人对待克隆食品的

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