高中英語人教版Unit2Cloning 課時作業(yè)

課時作業(yè)(五)Unit2CloningSectionⅠWarmingup&Reading—Pre-readingⅠ.完形填空MumdiedofcancerwhenIwasIbecameamothermyselfI__1__thedeepsadnessrememberIstayedinthedeliveryroom(產(chǎn)房)afterI__2__Aelaandthenursecameintofindmecryingoutofkeptsaying，“Imissmymum.”Ihavetwobrothersandthreehappysoundsoflaughter__4__thewholehomeandtherewasneveraboringIthinkaboutitnowI__5__mymumhighly，whowasafull-timewasareallycleverand__6__womanwhowasalwaystellingjokesandlovedlifedeeply.IknowIshouldbe__7__afterhavingaofcourseIwashappy，but__8__alwayscametomebecauseMumwasn’tAelawasbornIcameupwith__9__like，“WasIagoodsleeper？DidIdothatwhenIwasAela’sage？”Mummustrememberthese__10__becauseshealwayshadagoodmemory.Whenyouhavea__11__ofyourown，itbringsanew__12__toMother’s’sstillthatsadnessofMumnotbeingaround，butthedaytakesona(n)__13__year，Aela’skindergarten__14__aMother’sDaybreakfastandshekepttellingme，“Mummy，we’rehavingavery__15__dayforyou.”Aela__16__mesomuchofmymumsometimes__17__acertainexpressiononherfacelookslikeherthreeofus__18__asimilarsenseofhumoraswell.Mother’sDayiswhenI__19__onmywaytoraiseupAelaandrememberthinkthatifMumstill__20__menow，I’dbemuchhappier.語篇解讀關(guān)于母親的記憶永遠(yuǎn)是那么美好，失去母親的關(guān)懷永遠(yuǎn)那么讓人心痛。1．back B．belongedtoC．wentthrough D．escapedfrom解析：從第一段的第一句話可以知道，作者17歲的時候母親就去世了。因為思念母親，所以當(dāng)作者成為一個母親時，她經(jīng)歷了第二次悲傷。答案：C2．upto B．gavebirthtoC．wentdownto D．gotcloseto解析：根據(jù)上下文可知，事情發(fā)生在作者生孩子后。答案：B3． B．a(chǎn)ngerC．kindness D．balance解析：作者哭得無法控制自己。答案：A4． B．refreshedC．shocked D．filled解析：因為有兄妹六個，所以作者家里充滿了歡笑。答案：D5． B．respectC．recognize D．expect解析：當(dāng)作者現(xiàn)在想起來，她仍然很敬佩她的媽媽。答案：B6． B．humorousC．curious D．powerful解析：根據(jù)本段whowasalwaystellingjokes可知，媽媽是一個很幽默的人。答案：B7． B．modestC．delighted D．independent解析：根據(jù)此空后面的句子AndofcourseIwashappy可知，此處表示“我知道我有了孩子后應(yīng)該很快樂”。答案：C8． B．fearC．desire D．challenge解析：根據(jù)連詞but和becauseMumwasn’tthere可指，此處應(yīng)該選A。答案：A9． B．a(chǎn)dviceC．sympathy D．troubles解析：當(dāng)Aela出生時，作者想問媽媽很多問題。答案：A10． B．clearlyC．proudly D．surprisingly解析：根據(jù)becauseshealwayshadagoodmemory可知，媽媽一定清楚地記得這些。答案：B11． B．childC．car D．talent解析：根據(jù)上下文可知，這里指當(dāng)你有了自己的孩子。答案：B12． B．dutyC．focus D．wish解析：有了自己的孩子后，你會對母親節(jié)有了新的關(guān)注。答案：C13． B．ridiculousC．narrow D．political解析：媽媽不在身邊仍然很悲傷，但是這一天有了一個不同的意義。答案：A14． B．organizedC．urged D．donated解析：今年，Aela的幼兒園安排了一個母親節(jié)早餐活動。答案：B15． B．professionalC．special D．smooth解析：Aela她不停地告訴我，“媽咪，我們給你準(zhǔn)備了非常特殊的一天?！贝鸢福篊16． B．remindsC．demands D．brings解析：根據(jù)acertainexpressiononherfacelookslikehergrandma可知，Aela總是讓我想起我的母親。答案：B17． B．sinceC．but D．until解析：這里是因果關(guān)系，故選B。答案：B18． B．prepareC．share D．a(chǎn)rrange解析：作者的母親，作者女兒和作者本人有著相似的幽默感。答案：C19． B．carryC．insist D．reflect解析：母親節(jié)是作者反省養(yǎng)育Aela的方式和思念母親的日子。答案：D20． B．a(chǎn)ffordedC．encouraged D．educated解析：如果母親現(xiàn)在依然陪伴作者左右，她會覺得更幸福。答案：AⅡ.閱讀理解Withinfiveyears，awoollymammoth(猛犸象)willlikelybecloned，accordingtoscientistswhohavejustrecoveredwell-preservedbonemarrow(骨髄)inamammothbone.RussianscientistSemyonGrigorievandhiscolleaguesarenowanalyzingthemarrow，whichtheyobtainedfromthemammoth，foundinSiberianandhisteam，alongwithcolleaguesfromJapan，haveannouncedthattheywillstartajointresearchprojectaimedatrecreatingtheenormousmammal，whichwentextinctaround10,000yearsusedtobeacommonsightinNorthAmericaandofourdistantancestorsprobablyhadregularface-to-faceencounterswiththeelephant-likeThekeytocloningthewoollymammothistoreplacethenucleiofeggcellsfromanelephantwiththoseextracted(提取)fromthemammoth’sthis，accordingtotheresearchers，canresultinembryoswiththemammoth’shasactuallybeenknownforawhile.Whathavebeenmissingarethewoollymammoth’snucleiwithundamagedhavebeenonasearchforsuchnucleisincethelateitsoundslikethemissinggenesmayhavebeenfound.Inthecourse，globalwarmingmayberesponsibleforthetemperaturestiedtoglobalwarminghavemeltedgroundineasternRussiathatisalmostalwayspermanentlyaresult，researchershavefoundafairnumberofwell-preservedfrozenmammothsthere，includingtheonethatproducedthebonemarrow.Isitsuchagoodidea，however，tocloneanimalsthathavelongbeenextinct？Forawhiletherehasbeensomediscussionofareal-lifeJurassicParksetupcontainingsuchthesebeastsintoexistingecosystemscouldbelikebringinginapotentiallyinvasivespeciesthatwouldtrytofillsomespacepresentlyheldbyotheriftheclonedanimalswerecontainedinspecialparks，therecouldstillbeariskofSoifthewoollymammothissuccessfullyclonedsoonerratherthanlater，we’dprobablybeleftwithmorequestionsandargumentsthananswers，atleastintheshortterm.語篇解讀猛犸象是一種早在1萬年前已經(jīng)絕跡了的動物，借助克隆技術(shù)，俄羅斯及日本的科學(xué)家們有望通過獲取的冰凍在西伯利亞地下的猛犸象骨髓克隆出該動物。1．Whichofthefollowingwouldbethebesttitleforthepassage?A．HowtocloneawoollymammothB．Thewoollymammoth—anancientspeciesC．TheresearchmadebyRussianandJapanesescientistsD．Awoollymammothtobecloned解析：主旨大意題。第一段Withinfiveyears，awoollymammothwilllikelybecloned點明文章的主旨，并在后文具體講解了克隆猛犸象的關(guān)鍵步驟及可能帶來的問題。答案：D2．Whichofthefollowingcanbethekeyfactorincloningamammoth?A．TofindalivingmammothinNorthAmericaorEurasia.B．Tousenucleifromamammoth’seggcellstoreplacethenucleiinanelephant’seggcells.C．Tofindoutwhenandwherewoollymammothslivedontheearth.D．Tofindoutifancientmammothsaredistantancestorsoftoday’selephants.解析：細(xì)節(jié)理解題。根據(jù)第三段Thekeytocloningthewoollymammothistoreplacethenucleiofeggcellsfromanelephantwiththoseextractedfromthemammoth’scells.可知B項正確。答案：B3．Globalwarminghasmadetheclonepossiblebecause________.A．thewoollymammothcanonlyliveinawarmclimateB．globalwanningmakespeoplecaremoreaboutextinctanimalsC．warmertemperaturesenablescientiststofindwell-preservedfrozenmammothsD．researcherscan’tworkefficientlyiftheweatheristoocold解析：細(xì)節(jié)理解題。根據(jù)第五段可知全球變暖帶來的氣溫升高使得俄羅斯東部常年處于冰凍狀態(tài)的土地得以融化，從而研究人員在那里尋找到了保存完好的冰凍狀態(tài)的猛犸象。因而C項正確。答案：C4．Whichofthefollowingbestdescribesthewriter’sattitudetowardsthefutureofcloningamammoth?A．Uncertain. B．Indifferent.C．Positive. D．Disappointed.解析：作者態(tài)度題。在最后兩段中，作者提出了克隆猛犸象可能會產(chǎn)生的問題，對克隆猛犸象的未來抱一種不確定的態(tài)度。答案：ATheworldmarketforwindenergysawasoundrevivalinthefirsthalfof2023andre-gainedmomentum(動力)afteraweakyearinworldwidewindcapacity(風(fēng)電裝機容量)reached215,000MWbytheendofJune2023，outofwhichabout18,400MWwereaddedinthefirstsixmonthsofincreaserepresents15%morethaninthefirsthalfof2023.Stillthefiveleadingcountries—China，USA，Germany，SpainandIndia—togetherrepresentatotalshareof74%oftheglobalwindin2023，Chinacontinuestodominatetheworldwindmarket，adding8GWinonly6June2023，Chinahadanoverallcapacityofaround52GW.MostoftheEuropeanmarketsshowedstrongergrowthin2023thanintheprevioustopmarketsinEuropecontinuetobeGermany，Spain，Italy，F(xiàn)rance，theUnitedKingdomandFranceandDenmarkshowedadecreaseintheirnewinstalledcapacitycomparedtothefirsthalfof2023.TheUSmarketadded2,252MW，about90%morethaninthesame，butveryweakperiodof，itisquestionablewhethertheUSmarketcanregainthestrengthithadin2023whenatotalcapacityofalmost10GWwasinstalledwithinoneyear.What’smore，duringthefirsthalfof2023，threecountrieswereaddedtothelistofcountriesusingwindenergy，increasingthenumberofwindenergymarketsfrom83to86：Venezuela，Honduras，andEthiopia.Thetotalinstalledwindcapacityisprojectedtoreach240,500MWbytheendofcapacitycancoveralmost3%oftheelectricitydemandallovertheworld.語篇解讀世界風(fēng)電產(chǎn)業(yè)在經(jīng)歷了一年的低潮期后，在2023年上半年恢復(fù)了活力。5．Howmuchwindcapacitywasaddedinthefirsthalfof2023?A．About16,000MW. B．About18,400MW.C．About187,000MW. D．About215,000MW.解析：細(xì)節(jié)理解題。從第一段的about18,400MWwereaddedinthefirstsixmonthsofincreaserepresents15%morethaninthefirsthalfof2023可計算出答案。答案：A6．Comparedtothefirsthalfof2023，whichcountryhadlessnewinstalledwindcapacityinthefirsthalfof2023?A．China. B．TheUS.C．Germany. D．France.解析：細(xì)節(jié)理