新教材外研版高中英語選擇性必修第二冊Unit5 A delicate world 課時練習及單元測驗

Unit5Adelicateworld課時練習及單元測驗

課時分層作業(yè)1........................................................................................................................-i-

課時分層作業(yè)2......................................................................................................................-6-

課時分層作業(yè)3......................................................................................................................-9-

單元綜合檢測...........................................................-14-

課時分層作業(yè)1

I.單詞拼寫

1.Asweallknow,rabbitsmultiplyrapidly.

2.Donotblameyourfoodbecauseyouhavenoappetite.

3.HermothermovedtoShijiazhuangsubsequently（隨后）.

4.HowmuchdoIoweyouforthegroceries?

5.Howdoyouevaluatetheimpactofthisincident（事件）?

6.Thegovernorcalledforaninquiryintothemotorway'scollapse一到塌）.

7.Thesecondhalfofthegamewasdullbycomparison比較）withthefirst.

8.Theyhadreceivednonewsofhimsincehisdeparturefromtheisland.

9.Hehadfallenintoatrapsetbyoneofthehunters.

10.Heavysnowhascausedtotalchaos（混舌L）ontheroads,

n.閱讀理解

A

Idon'tthinkIcanrecallatimewhenIwasn'tawareofthebeautyoftheocean.Growingupin

Australia,Ihadthegoodfortuneofhavingtheseaatmyside.ThefirsttimeIwenttoHalfmoonBay.

Isuddenlyhadthefeelingofnotbeingabletofeelthegroundwithmyfeetanymore.

Formy10thbirthday,mysisterandIweretakenouttotheGreatBarrierReef.Therewerefish

indifferentcolors,cavesandlayersofcoral.Theymadesuchanimpressiononme.WhenIlearned

thatonly1percentofAustralia'sCoralSeawasprotected,Iwasshocked.Australianmarine（海洋的）

lifeisparticularlyimportantbecausethereefshavemoremarinespeciesthananyothercountryon

earth.Butsadly,only45%oftheworld'sreefsareconsideredhealthy.

Thisstatisticisdepressing,soit*simportantforustodoeverythingtoprotectthem.Thehope

thattheCoralSearemainsacompleteeco-systemhasledmetotakeaction.I'vebecomeinvolved

withtheProtectOurCoralSeaactivity,whichaimstocreatethelargestmarineparkintheworld.lt

wouldserveasaplacewheretheocean'sspecieswillallhaveasafeplaceforever.

Together,AngusandIcreatedalittlevideoandwehopeitwillinspirepeopletobeapartof

themovement.Angusalsosharesmanybeautifulchildhoodmemoriesoftheoceanasayoungboy,

whogrewupsailing,admiringthebeautyoftheocean,andtryingtofindthesecretsofocean

species.

【語篇解讀】本文是一篇記敘文。文章向我們介紹了澳大利亞的海洋生物面臨的危機

以及作者為此所做的一些努力。

1.FromtheunderlinedsentenceinPara.1,wecanlearntheauthor.

A.seldomwentsurfingatthesea

B.forgothisexperiencesabouttheocean

C.neverwentbacktohishometown

D.hadawonderfulimpressionofHalfmoonBay

D［句意猜測題。根據(jù)第一段中的"Idon*tthinkIcanrecallatimewhenIwasn*tawareof

thebeautyoftheocean."和"Ihadthegoodfortuneofhavingtheseaatmyside.”可矢口，作者認為大

海很美，自己很幸運能經(jīng)常看到海，故畫線句應是對半月灣的贊美。D項符合文意。故選D。］

2.Accordingtothesecondparagraph,Australianmarinelife.

A.isescapingfromtheCoralSeagradually

B.dependsonreefsforlivinggreatly

C.maybefacedwithdanger

D.isprotectedbetterthanthatinotheroceans

C［推理判斷題。根據(jù)第二段“WhenIlearnedthatonly1percentof...areconsidered

healthy.”可推知，澳大利亞的海洋生命可能面臨危險。故選C。］

3.TheProtectOurCoralSeaactivityisintendedto.

A.contributetoacompleteeco-system

B.preventmoremarinespeciesfrombeingendangered

C.setupalargenaturereserveforreefs

D.raisemoreteenagers*environmentalawareness

B［推理判斷題。根據(jù)第三段"I'vebecomeinvolved...asafbplacefbrever.”可推知，這項活

動的目的是創(chuàng)造一個為海洋生物提供永久安全的地方，阻止更多的海洋物種滅絕。故選B。］

4.Angusandtheauthorcreatedalittlevideoto.

A.urgemorepeopletotakeactiontoprotectthemarinespecies

B.inspiremorepeopletoexplorethesecretoftheocean

C.sharetheirchildhoodexperiencesabouttheocean

D.bringbacktopeopletheirmemoryofoceanspecies

A［細節(jié)理解題。根據(jù)第四段"Together,AngusandIcreatedalittlevideoandwehopeitwill

inspirepeopletobeapartofthemovement.”可知，拍攝視頻是為了激勵人們去采取行動保護海

洋生物。故選A。］

B

ABritishfriendtoldmehecouldn'tunderstandwhyChinesepeopleloveeatingsunflower

seeds（嗑瓜子）asasnacksomuch/TvemetalotofolderChineseandmanyhaveacrackintheir

frontteeth；Ibelievethatsfromcrackingtheseeds,“hesaid.

Ihadnevernoticedthehabit,butoncehementionedit,Isuddenlybecamemoreaware.I

realizedthatwheneverI'mwatchingTVortypingareport,Ialwaysstartmindlesslycracking

sunflowerseeds.Myfrienddoesn'tlikesunflowerseeds,and,tohim,itseemsunnecessarytowork

somuchjusttogetonesmallseed.

Whenwewereyoung,thewholefamilywouldusuallygettogetherforChineseNew

Year.Then,wealllivedclosetooneanother,usuallyinasmallcity,andsometimesevenneighbors

wouldgodoor-to-dooronChineseNewYear'sEvetocheckoutwhateveryhouseholdwasmaking.

Iremembermyparentswouldbeinthekitchencooking.Outinthelivingroom,alargetable

wouldalreadybelaidout,completewithfancytablecloth,ready-madedumplingfillings,anddishes

fullofcandy,fruitsandsunflowerseeds.Someofthedishesweretobeofferedtoourancestorslater,

whileotherswereforneighborsandchildrentoeatbeforetheeveningfeast.Imusthavelearnedhow

tocracksunflowerseedsbackthen.

Idon*tthinkit*srighttocriticizeone'schoiceinfoodoreatinghabits,nomatterhowstrange

theymayseem.

It'snotonlyinChina.WhenIwentabroad,Ifoundpeoplehadallsortsofstrangehabitswhen

itcametofood.InDenmark,theyputsaltedredfishonbreadandeatitfordinner,nomatterhow

muchitruinsyourbreath.Theythinkit*sadelicacy（美味佳肴），andit'sconnectedtotheircertain

culture.!thinkit'sawonderfultradition.

【語篇解讀】本文用中國人喜歡嗑瓜子和丹麥人喜歡吃面包配咸紅魚來證明飲食習慣

來自特定的文化。

5.Whatdidthewriterbecomeawareof?

A.Shehadevertypedareportaboutseeds.

B.ShehadvarioussnackswhilewatchingTV.

C.Shedamagedherteethbyeatingsunflowerseeds.

D.Shehadahabitofcrackingsunflowerseeds.

D［推理判斷題。根據(jù)第二段中的"Ihadnevernoticedthehabit,butoncehementionedit,I

suddenlybecamemoreaware.IrealizedthatwheneverI'mwatchingTVortypingareport,Ialways

startmindlesslycrackingsunflowerseeds.“可知，作者意識到自己有嗑瓜子的習慣，故D項正確。］

6.WhatdoesthewriterprovebymentioningChineseNewYear?

A.Thetraditionsofcelebratingitdisappear.

B.Eatingsunflowerseedsisrelatedtoit.

C.Thefamiliesgettogetherforit.

D?Childrencaneatdeliciousfoodonthatday.

B［推理判斷題。根據(jù)第四段中的"Outinthelivingroom,alargetablewouldalreadybelaid

out,completewithfancytablecloth,ready-madedumplingfillings,anddishesfullofcandy,fruits

andsunflowerseeds...whileotherswereforneighborsandchildrentoeatbeforetheeveningfeast.I

musthavelearnedhowtocracksunflowerseedsbackthen.^^可知，春節(jié)的時候桌子上會擺放很多

美食，其中就有瓜子，小孩可以在年夜飯前吃，作者就是在那時學會了嗑瓜子，由此可

知，作者提到春節(jié)是為了證明嗑瓜子和春節(jié)有關，故B項正確。］

7.Thewriter'sattitudetoDenmark'swayofeatingbreadis.

A.neutral（中立的）B.critical（批評的）

C.acceptableD.doubtful

C［推理判斷題。根據(jù)文章最后一句話“Ithinkifsawonderfultradition.”可知，作者認為

丹麥人吃面包配咸紅魚是一個很好的傳統(tǒng)，由此可知，作者接受這種吃法，故C項正確。］

8.Whatlessoncanwelearnfromthestory?

A.Onekindoffooddoesn'tnecessarilysuiteveryone.

B.Itisgoodtoformhealthyeatinghabits.

C.Eatinghabitscomefromacertainculture.

D.Changingyoureatinghabitswillchangeyourlife.

C［推理判斷題。根據(jù)最后一段中的“Theythinkit*sadelicacy,andit*sconnectedtotheir

certainculture.”可知，丹麥人認為這樣吃面包是美味的，這和他們的特定的文化有關，正如

作者喜歡嗑瓜子和春節(jié)文化有關，由此可知，飲食習慣來自特定的文化，故C項正確。］

HI.閱讀七選五

Canwehumansavoidwar?Canwarbeprevented?

］Throughouttheages,fromtheStoneAgetotheAtomicAge,menhavebeenfighting,

firstwithswordsandshields,thenwithpinsandcannous,andnow,hydrogenbombsandmissiles

areusedformilitarypurpose.But,inspiteofallthese，itisstillbeliefthatwarcanbepreventedand

peacecanbewon,butitrequirestheeffortofeveryoneofus.

2Ifiteverhappens,two-thirdsoftheworldandmuchofthecivilizationwhichmenhave

gainedthroughtime,patienceandeffortwillbedestroyed.Willthentheremainingone-thirdofthe

worldbeabletosurviveonitsown?

Ourtasknowisnottoblamethepast,buttoplanforthefuture.

Ifthereispeaceintheworld,mencanusetheirrocketstoexplorethemysteryofspace，their

submarinestoexplorethedepthofthesea,theirmissilestodelivertomailsandtheirfineequipment

topenetrate（穿透）junglesofAfrica,insteadofusingthemmilitary.

Governmentscanusetheirmoneytobuildmoreschools,sothatmorechildrencanbeeducated

tobeusefulcitizens.3Theycanalsodesignnewmachinestoincreasetheproductionofgoods

andthusimprovethewayofthepeople.

4Itrequires,inmyopinion,theunderstandingandfriendshipbetweenallpeoplefromall

nations.Letnoonesufferdiscriminationbyreasonofcolor,race,reli-gion,ornationalorigin.Letthe

richsupportthepoorandthestronghelptheweak.

Weknowthatneitherpeacenorsuchadreamworldcancometrueinadayormonth.

5_.Butletusplanandbeginnow.

A.Howcanapeacefulworldbeachieved?

B.Theprocessmayeventakedecadesorcenturies.

C.Peacecanbewonthroughtheeffortsofallhumanbeings.

D.Thingsformilitaryusecanbetransformedtopeacefuluse.

E.Scientistscanuseatomicenergytopowersteamshipsandplanes.

F.Iamsurethatwewouldnotliketoexperienceanotherworldwar.

G.Historytellsthattherewerewars,greatorsmall,ineverycentury,ineverydecade.

【語篇解讀】文章介紹了人類如何才能避免戰(zhàn)爭。

1.G［根據(jù)空后的"Throughouttheages,fromtheStoneAgetotheAtomicAge,menhave

beenfighting,firstwithswordsandshields...”可知，戰(zhàn)爭貫穿著整個人類歷史,故G項符合語境。］

2.F［根據(jù)空后的"Ifiteverhappens,two-thirdsoftheworldandmuchofthecivilization

whichmenhavegainedthroughtime,patienceandeffortwillbedestroyed.“可知，如果這種情況

發(fā)生，世界上三分之二的地區(qū)以及人類通過時間、耐心和努力所獲得的文明將被摧毀?？仗?/p>

應該會提到一場戰(zhàn)爭，故F項符合語境。］

3.E［根據(jù)空后的"Theycanalsodesignnewmachinestoincreasetheproductionofgoods

andthusimprovethewayofthepeople”可知，他們還可以設計新的機器來增加商品的產量，從

而改善人們的生活方式，They表明空處應該會提到表示人的復數(shù)名詞，故E項符合語境。］

4.A［根據(jù)空后的“Itrequires,inmyopinion,theunderstandingandfriendshipbetweenall

peoplefromallnations.”可知，在我看來，它需要所有國家的人民之間的理解和友誼，故A項

符合語境。］

5.B［根據(jù)空前的"Weknowthatneitherpeacenorsuchadreamworldcancometrueina

dayormonth."可知，我們知道，和平和這樣一個夢想的世界都不可能在一天或一個月內實現(xiàn)，

故B項符合語境。］

課時分層作業(yè)2

I.單句語法填空

1.Somepeoplewhoareveryintelligentandsuccessfulintheirfieldsfinditdifficulttosucceed

inlanguagelearning.

2.Ithinkitnecessaryforastudenttomaster(master)aforeignlanguage.

3.Ihateitwhenpeopletalkwiththeirmouthsfull.

4.Wewouldmuchappreciateitifyoucoulddousthatfavour.

5.Don*ttakeitforgrantedthattheywillsupportyou.

6.Theyhaven'tmadeitknown(know)wherethemeetingistotakeplace.

7.Salesdecreasedto5.67billionfrancsfrom5.69billionfrancs.

8.Japanesemediareportedthesoundofanexplosion(explode)atoneoftheplants.

9.Owing(owe)tothesmallsizeofthisbreed,theycanbeconvenientlykeptinsmallhomes.

10.ItisonSundaythatwedon'tneedtogotoschool.

II.完形填空

Onemonthago,Sarahboughtalipstick(口紅)shehaddesired.It'snot1,butitmadeher

happy,becauseitwastheonethatshehadbeen2sinceshesawit.

Everymorning,whensheputsonhermakeup,everythingseemsbrandnewduetothis

lipstick.ltfeelslikethatthewholedayisfullof3Sarahhaslongbeenaccustomedto

rewardingherselfthroughshopping.Andthisdesireformaterialpossession4hertowork

hard.Shefeels5aboutthis.Herlifekeepsgettingbetterallbecauseofthiskindofdesire.But

hermotherthinksquite6

Severaldaysago,whenhermothercametoknowthe7ofthelipstick,theykept

quarrelingforalmostawholeday.Hermotherthoughtthatitwas8wrongtospendsomuchon

suchmeaninglessitems,whileSarahthoughthermotherwastotally9aboutit.

WhatSarahdidn'tknowwasthathermotherhadoncebeenalittlegirlwhohad10in

povertyandstarvation.Thatlittlegirlcouldnotfindenoughclothesto11inwinter.Thatgirl

neededtolearnhowtospendeverypennyasifitweretwoinordertosurvive.

It'sjust12thattwopeoplecan'tunderstandeachother,evenformotheranddaughter,

becauseeverybody's13isdifferent.

Trytobepatientwiththepeoplearoundyou.Trytogetto14them.Trytostandintheir

shoes.Ifyoucannotlistentopeople,howcanyou15themtolistentoyou?

【語篇解讀】正在實習期的Sarah給自己買了一個不算便宜的口紅，她很開心。但她

媽媽得知口紅的價格之后，覺得Sarah實在是太奢侈了，就和Sarah吵了一整天。Sarah覺得

媽媽不可理喻。其實Sarah應該學著站在別人的角度去考慮問題。

1.A.dearB.cheap

C.famousD.handy

B［根據(jù)下文“spendsomuch”可知口紅并不便宜。故選B。］

2.A.longingforB.headingfor

C.leavingforD.payingfor

A［根據(jù)上文“Onemonthago,Sarahboughtalipstick（口紅）shehaddesired.”可知此處指這

是她一直想要的一款。故選A。］

3.A.anxietyB.hate

C.laughterD.hope

D［根據(jù)上文“everythingseemsbrandnewduetothislipstick”可知因為這支口紅一切看起

來都是嶄新的，充滿希望。故選D。］

4.A.warnsB.persuades

C.begsD.drives

D［對物質財富的渴望驅使她努力工作。故選D。］

5.A.cautiousB.good

C.stressedD.negative

B［根據(jù)上文可知購物使薩拉感覺很好。故選B。］

6.A.firmlyB.differently

C.logicallyD.obviously

B［根據(jù)下文“wrongtospendsomuchonsuchmeaninglessitems”可知薩拉母親的看法完

全不同。故選B。］

7.A.qualityB.brand

C.materialD.price

D［根據(jù)下文“wrongtospendsomuch”可知母親得知了口紅的價格很貴。故選D。］

8.A.probablyB.approximately

C.slightlyD.completely

D［根據(jù)下文“wrongtospendsomuchonsuchmeaninglessitems”可知母親認為在這些毫

無意義的東西上花這么多錢完全是錯誤的。故選D。］

9.A.unreasonableB.uncomfortable

C.enthusiasticD.curious

A［媽媽覺得她這樣花錢簡直就是完全錯誤的，而她卻覺得媽媽完全不可理喻。故選Ao］

10.A.tumedupB.brokenup

C.grownupD.keptup

C［根據(jù)上文“hermotherhadoncebeenalittlegirlwhohad...inpovertyandstarvation”可矢口

薩拉的母親曾經(jīng)是一個在貧困和饑餓中長大的小女孩。故選C。］

11.A.wearB.sell

C.exchangeD.clean

A［句意：那個小女孩冬天找不到足夠的衣服穿。生活在貧窮中，沒有冬天穿(wear)的衣

服。故選A。］

12.A.unlikelyB.necessary

C.strangeD.natural

D［顯然，兩個人不能互相理解是很自然的(natural)。故選D。］

13.A.experienceB.knowledge

C.characterD.family

A［此處指每個人的經(jīng)歷(experience)不一樣。故選A。］

14.A.moveB.forgive

C.knowD.copy

C［句意：試著去了解他們。根據(jù)下文“Trytostandintheirshoes.”可知試著去了解他們，

站在他們的立場上想想。故選C。］

15.A.forceB.expect

C.orderD.advise

B［句意：如果你不聽別人的話，你怎么能指望他們聽你的話呢？故選B。］

in.語法填空

Itdoesn'ttakelongtobelieveourownlies,accordingtoanewstudy.

LastyearatBrandeisUniversity,42participants,abouthalfseniorsandhalfmillennials(千禧

一代)，weregivenaformwith102questionsabout1.theydidthepreviousday.Theform

askedthemtorespond2.questionssuchas“Didyousetyouralarmclock?"and"Did

youuseaforktoeatlunch?”O(jiān)nhalfthequestions,3.(choose)atrandom,theresearchers

toldtheparticipantstolie.Forty-fiveminuteslater,therespondentsanswered4.same

questionnaire.Thistime,researcherstoldthemtoanswerallthequestions5.(truthful).

Thecentralresearchquestionwas:Whentheparticipantsliedonaquestionthefirsttime,did

theythenrememberthey6.(lie)?

Theresultsshowedthattheoldergroupweresignificantlymorelikelythantheyounger

7.(accept)asthetruthalietheyhadtoldlessthananhour8.(early).

“Olderadultshavemore9.(difficult)distinguishingbetweenwhafsrealandnotreal”

saidLauraPaige,10.wastheleadauthorofthestudy,“Oncetheybelievealie,itwill

createanewmemoryforsomethingthatdidn'thappen.

【語篇解讀】一項實驗研究結果表明老年人更難以區(qū)分什么是真實的，什么是不真實

的。一旦他們相信謊言，就會對那些沒有發(fā)生過的事情產生新的記憶。

1.what［句意：去年在BrandeisUniversity,42名參與者(其中一半是大四學生，一半是

千禧一代)收到了一份表格，上面有102個問題，是關于他們前一天做了什么。本句為賓語從

句，從句中缺少賓語，指代事情，故填what。］

2.to［句意:表格要求他們回答諸如“你設置鬧鐘了嗎？”和“你用叉子吃午飯了嗎？”

短語respondto...”回答...",故填to。］

3.chosen［句意：在隨機選擇的問題中，研究人員讓參與者撒謊。本句中choose與邏

輯主語questions構成被動關系，故應用過去分詞chosen。］

4.the［句意：45分鐘后，受訪者回答了同樣的問卷。短語thesame"同樣的；一樣”，

故填the。］

5.truthfully［句意：這一次，研究人員讓他們如實回答所有問題。answer為動詞，需

用副詞修飾，故填truthfullyo］

6.hadlied［句意：研究的中心問題是：當參與者第一次在一個問題上撒謊時，他們是

否記得自己撒過謊？此處“撒謊”發(fā)生在“記得”之前，即“過去的過去”，故應用過去完成時，故

填hadlied。］

7.toaccept［句意：結果顯示，年齡較大的一組明顯比年齡較小的一組更有可能接受他

們在不到一小時前說過的謊言。短語belikelytodo”有可能做某事"，故填toaccept。］

8.earlier［句意見上題解析。短語lessthananhourearlier“不到一小時前”，故填earliero］

9.difficulty［句意：該研究的主要作者勞拉?佩奇說：“老年人更難以區(qū)分什么是真實的，

什么是不真實的。一旦他們相信謊言，就會對那些沒有發(fā)生過的事情產生新的記憶?！倍陶Zhave

difficulty(in)doingsth.“做某事有困難”，故填名詞difficulty。］

10.who［句意見上題解析。本句為定語從句修飾先行詞LauraPaige,且先行詞在從句

中作主語，指人，故填關系代詞who。］

課時分層作業(yè)3

I.閱讀理解

A

Withonlyabout1,000pandasleftintheworld,Chinaisdesperatelytryingtoclone（克?。﹖he

animalandsavetheendangeredspecies（物種）.ThatssimilartowhatTexasA&MUniversity

researchershavebeenundertaking（負責）forthepastfiveyearsinaprojectcalled"Noah'sArk”.

Noah'sArkisaimedatcollectingeggs,embryos（胚胎），semenandDNAofendangered

animalsandstoringtheminliquidnitrogen（氮）.Ifcertainspeciesshouldbecomeextinct,Dr.Duane

Kraemer,aprofessorinTexasA&M'SCollegeofVeterinaryMedicine,saystherewouldbeenough

ofthebasicbuildingblockstoreintroducethespeciesinthefuture.

Itisestimatedthatasmanyas2,000speciesofmammals,birdsandreptileswillbecome

extinctinover100years.Thepanda,nativeonlytoChina,isindangerofbecomingextinctinthe

next25years.

Chinesescientistssaidtheygrewanembryointroducingcellsfromadeadfemalepandainto

theeggcellsofaJapanesewhiterabbit.Theyarenowtryingtoimplanttheembryointoahost

animal.

Theentireprocedure（過程）couldtakefromthreetofiveyearstocomplete.

“Thenucleartransfer（核子移植）ofonespeciestoanotherisnoteasy,andthelackof

available（capableofbeingused）pandaeggscouldbeamajorproblem,“Kraemerbelieves/'They

willprobablyhavetodoseveralhundredtransferstoresultinonepregnancy（havingababy）.Ittakes

alongtimeandit*sdifficult,butthiscouldbegroundbreakingscienceifitworks.Theyarecertainly

notputtinganylivepandasatrisk,soitisworththeeffort,9,addsKraemer,whoisoneoftheleaders

oftheProjectatTexasA&M,thefirst-everattemptatcloningadog.

“Theyaretryingtodosomethingthafsneverbeendone,andthisisverysimilartoourworkin

Noah'sArk.We'rebothtryingtosaveanimalsthatfaceextinction.!certainlyappreciatetheireffort

andthere'salotwecanlearnfromwhattheyareattemptingtodo.It'saresearchthatisverymuch

needed.^^

【語篇解讀】本文介紹了科學家們正在運用克隆技術拯救如中國的大熊貓這種即將絕

種的動物。

1.Theaimof“NoaHsArk"projectisto.

A.makeefforttoclonetheendangeredpandas

B.saveendangeredanimalsfromdyingout

C.collectDNAofendangeredanimalstostudy

D.transferthenuclearofoneanimaltoanother

B［推理判斷題。根據(jù)文章第一段中所說“savetheendangeredspecies（物種）”及第二句的

“ThafssimilartowhatTexasA&MUniversity”可推知此題答案為B。］

2.AccordingtoProfessorKraemer,themajorproblemincloningpandaswouldbethelackof

A.availablepandaeggs

B.hostanimals

C.qualifiedresearchers

D.enoughmoney

A［細節(jié)理解題。根據(jù)文章第六段中Kraemer所說的話可推知此題答案為A。］

3.Thebesttitleforthepassagemaybe.

A.China'sSuccessinPandasCloning

B.TheFirstClonedPandaintheWorld

C.ExploringthePossibilitytoClonePandas

D.China-theNativePlaceofPandasForever

C［主旨大意題。根據(jù)文章第一段及全文內容可歸納出此題答案為C。］

4.Fromthepassageweknowthat.

A.Kraemerandhisteamhavesucceededincloningacat

B.scientiststrytoimplantapanda'seggintoatiger

C.KraemerwillworkwithChinesescientistsincloneresearches

D.abouttwothousandofspecieswillprobablydieoutinaboutacentury

D［細節(jié)理解題。根據(jù)文章第三段第一句可推知此題答案為D。］

B

Weallknowthatwateristasteless.Butithappensfromtimetotime:youpickupthebottleof

wateryoudidn'tfinishyesterday,andittastesstrange.Mostoften,youtendtodropthebottleinthe

trashbin,believingthatthewaterhasgonebad.Butisittrue?

AccordingtoTime,ofcoursenot,tastehaslittletodowithqualityofwater.

AccordingtoTime,whenwaterisexposedtotheairfor12hours,carbondioxideinteractswith

theH2Ointhewater,andthePHvaluelowersslightly.Asaresult,thewaterhasadifferenttaste.

“Butifsmostlikelysafetodrink,“NorwegianexpertTrulsKroghtoldScienceNordic：Tfthe

wateriscoveredandofgoodqualitytostartwith,inprincipleitcanlastathousandyears.Thats

becausewhenwaterisfresh,itcontainslittleorganicmatter.Aslongaswaterisheldincleanglasses

orbottles,nopollutantswillenterittoharmourhealth.

PeopleincountriesliketheUS,theUKandAustraliausuallydrinktapwater.Accordingto

Time,iftapwaterisdrunkwithinsixmonths,thechlorine（氯氣）inthewaterwillbeenoughtokill

anybacteriaandkeepitsafetodrink.

However,therearealsosomeexceptions.Ifyouaccidentallyputyourfingersintowateror

storewaterinuncleancontainersdayafterday,microorganism（微生物）willenterthewater.

Withthehelpofsurroundingtemperature,andsunlightstreamingthroughwindows,these

microorganismsmultiplyquickly.Soonerorlater,thewaterwillbeinthechargeoftheunfriendly

bacteria.Andifyoudrinkthewatertoooften,thenyou'remorelikelytobeill.

Andwhataboutwaterinplasticbottles?Heatandplasticareabadcombination,USresearcher

KelloggSchwabstresses.Whenplasticbottlesareusedathightemperatures,theyproducea

chemicalcalledBPA.BPAissomethingthataffectshormones（荷爾蒙）andresearchhastentatively

linkeditto"'severalhealthdamage,includingheartdiseaseandcancer”,Timereported.

Schwabsuggestsreplacingdisposable（一次'性的）plasticbottleswiththerefillablecontainers

madeofmetalorglasstodealwithBPA.

【語篇解讀】本文就喝剩下的水是否會變壞進行了研究。研究表明沒喝完的水雖然味

道有點怪，但只要水質是好的，保存恰當不被細菌污染，是不會變壞的。但專家建議不要用

塑料杯而要用金屬或玻璃制品裝熱水。

5.Thepurposeofthefirstparagraphisto.

A.showanexample

B.drawaconclusion

C.analyzeaphenomenon

D.introduceatopic

D［推理判斷題。根據(jù)第一段的內容可知，本段講述昨天沒有喝完的水味道有點怪，有

人會把它扔掉，是因為認為水壞了，這是真的嗎？結合下文的內容可知，寫第一段的目的就

是引出下文的一個話題。故D項符合題意。］

6.WhichofthefollowingmayTrulsKroghagree?

A.Ifthewatertastesdifferent,weshouldn'tdrinkit.

B.Thewaterheldinacleancontainerislikelysafetodrink.

C.Althoughkeptfresh,watermaystillhavemuchorganicmatter.

D.Coveredwatercanlastforathousandyears.

B［細節(jié)理解題。根據(jù)第四段TrulsKrogh的話“Butit'smostlikelysafetodrink,“

NorwegianexpertTrulsKroghtoldScienceNordic."Ifthewateriscoveredandofgoodqualityto

startwith,inprincipleitcanlastathousandyears.Thatsbecausewhenwaterisfresh,itcontains

littleorganicmatter.Aslongaswaterisheldincleanglassesorbottles,nopollutantswillenteritto

harmourhealth.”可知，只要水質好，保存在干凈的容器內，就不會有污染物，都是安全可飲

用的。分析選項可知B項符合題意，故選B。］

7.Whatcanweinferfromthepassag