Book 8 Unit 2 Cloning.docx

Book 8 Unit 2 Cloning.docx

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Book8Unit2Cloning

Book8Unit2Cloning

Book8Unit2CloningWarmingupandPre-reading

鈪?

鑳屾櫙闃呰Cloningisthetechniqueofproducingageneticallyidenticalduplicateofanorganism.Acloneissaidtobealldescendantsderivedasexuallyfromasingleindividual,asbycuttings,bulbs,byfission,bymitosis,orbyparthenogenesisreproduction.Itsoundsverydifferentandcomplicatedtous.Infact,inourdailylife,thishappensoften.Forexample,gardenerstakecuttingsfromgrowingplantstomakenewones.Youoftenseethatyourmotherpicksasmallbranchfromagrowingplanttomakeanewone.Ifshelikesthiskindofflowers,shecandocloning.Cloningalsohappensinanimalsorhumanbeingswhentwinsidenticalinsexandappearanceareproducedfromthesameoriginalegg.Thefactisthatcloningplantsisstraightforwardbutthecloningofanimalsismorecomplicated.Thepossibilityofhumancloning,raisedwhenScottishscientistsatRoslinInstitutecreatedthemuch-celebratedsheep"Dolly",arousedworldwideinterestandconcernbecauseofitsscientificandethicalimplications.ShewasthefirstmammaltobeclonedfromadultDNAtakenfromanadultcell.Previously,animalshadonlybeenclonedusingembryocellswhichalreadyhavethepotentialtobecomeacompleteembryoinitsownright.ThebigbreakthroughwithDollywastomakeaclonefromanordinary,adultcell鈭?

inthiscasefromafemalegoat鈥檚udder.

1.Fillintheblanksaccordingtothepassage.1）ThedefinitionofcloningCloningisa________ofproducingageneticallyidenticalduplicateofananimaloraplant.Ithappensbothin______andin_______.Theycanbeclonedby_______orhumans.Theformeris_______clonewhilethelatterisman-madeclone.2）HowdoesDollydifferfromothersheep?

Shewas______byhumanswhiletheotherswerebornnaturally.So,Dollywasa______sheep.

2.Discussthefollowingquestions.1）.Canyouseeanycloninghappeninourdailylife?

2）.Whatbenefitscanhumansgainfromcloning?

3）.Whatproblemsmayarisewhenhumansarecloned?

4）.Shouldwecloneahuman?

5）.Couldcloningreplacesexasthemeansofcreatingnewhumanlife?

6）.Couldaparentcloneachildwhoisdyingofaterminalillness?

ReadingI.Readingcomprehension:

1.Themainideaofthetextis____A.animalcloningisveryvaluableandcanbenefittheworld.B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbidden.C.animalcloningiswelldevelopedbecauseDollythesheepwasborn.D.animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture.2.ThecloningofDollythesheepsucceededbecause____.A.itseasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed3.Whatisthewriter鈥檚attitudetowardcloninginthispassage?

A.Thewriterisagainstcloning.B.Thewriterisinfavorofcloning.C.Thewriterisneutraltowardscloning.D.Thewriterisinagreementwithcloning.4.Whichofthefollowingisnotanadvantageofcloning?

A.Cloningcanbeusedformedicalpurposes.B.Largequantitiesoffoodcanbeproducedbycloning.C.Cloningcanhelpkeepanimalsfrombecomingextinct.D.Peoplecanclonethemselvesatwill.5.Wecaninferfromthelastthreeparagraphsthat___.A.ThenormaldevelopmentofDollyhadnoeffectonthecloningofotherspecies.B.Dolly鈥檚seriousdiseaseandfinaldeathdisturbedthewholeworld.C.Dollysuccessfullyclonedanewlambwiththehelpofcloningscientists.D.Therewereargumentsaboutanimalsaboutanimalcloningandconcernsaboutthefutureofcloning.6.Whatisthewritingstyle?

A.Expositive锛堣鏄庢€х殑锛?

B.DescriptiveC.Argumentative锛堣璁烘€х殑锛?

D.Narrative

II.Fastreading:

TrueorFalsequestions1.Cloningmeansmakingacopyofananimaloraplant.2.Gardenerscanmakealotofmoneybycloningplants.3.Cloninganimalsisascomplicatedascloningplants.4.Dollythesheepwasthefirstsuccessfulcloneofamammal.5.Naturalcloneshappeninanimalsaswellasinplants.

III.Fillinthechartusingtheinformationfromthetext.Addonereasonofyourownineachcolumn.ProblemsordangersofcloningAdvantagesofcloningAnimalsmay____________________ofolderanimals.Medicalcloningcould_____________卢卢卢卢卢____forseriousdegenerative（鍙樿川鐨勶級________inhumans.Animalclonesmay_______________thanthedonoranimalsCloningplantscan_______________ofsimilar_____________________.________________maywanttoclonethemselves.Cloningplantscanbe_______forresearchon_____________________.Thereare__________________tocloninghumanbeings.Cloningcanhelpsave____________________.

鈪?

Writing鐢ㄥぇ绾?

0涓瘝姒傛嫭璇炬枃鐨勫唴瀹癸紝鐒跺悗鏍规嵁浠ヤ笅瑕佹眰鍐欎竴绡囨枃绔犮€?

鍐呭:

1锛?

浜轰滑瀵瑰厠闅嗙殑鐪嬫硶2锛?

浣犲鍏嬮殕鎵€鎸佺殑瑙傜偣銆?

瑕佹眰:

璇嶆暟:

120棰樼洰鑷嫙

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________LanguagePointsofReading11.differvi.涓嶄竴鑷?

涓嶅悓,鐩稿紓,涓嶅悓鎰?

鎰忚鐩稿乏甯歌鐨勬惌閰嶆湁锛?

AandBdifferin鈥?

AdiffersfromBsbdifferfrom/withsbon/about/over/uponsth鎷撳睍:

differentadj.differencen.宸紓,宸埆,鍒嗘,浜夎,宸bedifferentfrom涓庘€︿笉鍚?

makenodifferencetosb.瀵规病鏈夊奖鍝?

makeadifference璧蜂綔鐢?

浜х敓褰卞搷鍗虫椂缁冧範锛氱敤浠嬭瘝from,with,on,about,upon鎴?

in濉┖銆?

（1）Wediffer_________him_________thatquestion.

（2）Thetwonationsdiffer______cultureandreligion.（3）Theclimateherediffers___________thatoftheSouth.2.undertakevt.瀹炴柦锛屼粠浜嬶紝鐫€鎵嬪仛锛屾壙鎷?

鎷呬换,璁歌,淇濊瘉锛岄噰鍙?

绛斿簲undertakesth鎵挎媴鏌愪簨undertakeatask/project鎵挎媴涓€涓换鍔?

椤圭洰undertaketodosth璁歌鍋氭煇浜?

鍚屾剰鍋氭煇浜?

undertakethat鈥?

淇濊瘉鈥?

鍗虫椂缁冧範锛氬畬鎴愪笅鍒楀彞瀛愩€?

鈥?

Hewill___________________卢卢__________nextmonth（鍘绘梾琛?

.鈥?

He__________________________________________（鎵挎媴浜嗕竴椤规柊浠诲姟）.鈥?

鎴戞効鎰忔壙鎺ヨ繖椤瑰彉闈╃殑璐ｄ换銆?

鈥?

Ican_________________________forthechanges.鈥?

浠栬璇哄綋鎴戜滑鐨勫悜瀵?

鈥?

He___________________________ourguide.3.disturbvt.鎵颁贡,浣夸笉瀹?

寮勪贡disturbedadj.琚贡鐨?

鍔ㄤ贡鐨?

涓嶅畨鐨?

disturbingadj.浠や汉涓嶅畨鐨?

/鐑︽壈鍗虫椂缁冧範锛氱敤disturb,disturbing,disturbed濉┖銆?

（1）I鈥檓very__________aboutAlice.

（2）Don鈥檛_________thepapersonmydesk.（3）Thiscountryisina____________state.（4）What____________newsitis!

（5）Alightwind___________thesurfaceofthewater.4.castdown锛歠eelingunhappyanddepressed浣挎伯涓?

浣庢矇锛?

浣夸笅闄?

鎺ㄧ炕becastdown=feeldiscouraged瀹為獙澶辫触浣垮緱浠栧緢娌抚銆?

Hewasmuchcastdownbythefailureoftheexperiment.涓嶈娌抚銆傜户缁繚鎸佷綘鐨勭簿绁炪€?

Don鈥檛besocastdown.Justkeepupyourspirits.鍗虫椂缁冧範锛氬皢涓嬪垪鍙ュ瓙璇戞垚鑻辫

（1）鍚埌杩欎釜娑堟伅浠栧緢娌抚銆?

________________________________________________________________

（2）鍙戠幇浜嬫儏鐨勭湡鐩镐娇浠栧緢娌抚銆?

________________________________________________________________鎷撳睍:

鈥?

castaway涓㈠純,鎶涘純,浣垮け浜?

浣挎紓娴?

鈥?

castoff鏀惧純锛涗涪寮?

鎽嗚劚鈥?

castout璧惰蛋,椹遍€?

5.AltogetherDollylivedforsixyears,鈥?

altogetheradv.鈶犲叏閮紝鎬诲叡鈥?

杩欎釜涓績鍖哄湪杩欐椋撻涓け鍘讳簡1000澶氭５鏍戙€?

鈥?

__________________________________________________________鈶℃€昏€岃█涔?

鈥?

鎬讳箣锛屾垜浠殑鎴愬氨鏄法澶х殑銆?

鈥?

__________________________________________________________鈶㈠畬鍏ㄥ湴（completely）鈥?

浠栧苟涓嶅畬鍏ㄧ‘淇℃帴涓嬪幓鍋氫粈涔堛€?

鈥?

__________________________________________________________鍖哄埆:

alltogether涓巃ltogether鈶犱綔鈥滄€诲叡鈥濊В鏃讹紝瀹冧滑鍙互浜掓崲浣跨敤銆?

鈥?

Therewerealtogether/alltogether42studentsintheclass.鎴戜滑鐝€诲叡鏈?

2涓鐢熴€?

鈶lltogether浣?

鈥滀竴閬?

涓€璧封€?

瑙ｆ椂,涓嶈兘鐢╝ltogether鏇挎崲銆?

鈥?

Theycamealltogether.浠栦滑涓€璧锋潵銆?

鈶ltogether鎰忎负鈥滃畬鍏ㄥ湴锛屽交搴曞湴锛屾€讳箣锛屾€昏€岃█涔嬧€濓紝涓嶅彲涓巃lltogether浜掓崲锛岀敤浜庡惁瀹氬彞鏃舵槸閮ㄥ垎鍚﹀畾銆?

鈥?

It鈥檚altogetheroutofthequestion.瀹冨畬鍏ㄤ笉鍙兘銆?

鈥?

Idon鈥檛altogetheragreewithyou.鎴戝苟涓嶅畬鍏ㄨ禐鍚屼綘鐨勭湅娉?

6.forbidvt.（forbade/forbad,forbidden,forbidding）绂佹锛屼笉鍑嗭紝涓嶈forbidsth.forbiddoingsth.forbidsb.todosth.forbidthat鈥?

飦?

Smokingshouldbeforbiddeninpublicplaces.鍏叡鍦烘墍搴旂姝㈠惛鐑熴€?

飦?

Iforbidyoutotellanyone.鎴戜笉鍑嗕綘鍛婅瘔浠讳綍浜?

飦?

Thelawforbidsbuildingonthisland.娉曞緥绂佹鍦ㄨ繖鍧楀湡鍦颁笂寤虹瓚銆?

鍗虫椂缁冧範锛氬畬鎴愪笅鍒楀彞瀛?

鈥?

（1）Theschool________________________________卢卢_____________________（绂佹瀛︾敓鍚哥儫）.鈥?

（2）Heisforbidden__________________________________________（杩涘叆杩欎釜鎴块棿）.7.infavourof璧炴垚锛涙湁鍒╀簬（涓巃gainst鐩稿）Isheinfavouroftheplan?

浠栬禐鎴愯繖椤硅鍒掑悧锛?

鎷撳睍锛?

insb鈥檚favor瀵规煇浜烘湁鍒?

dosbafavor=doafavorforsb甯煇浜哄繖鍋?

infavorwithsb.鍙楁煇浜烘敮鎸?

鍗虫椂缁冧範锛氬皢涓嬪垪鍙ュ瓙璇戞垚鑻辫鐩墠鎴戞病鏈夊緱鍒板ぇ瀹剁殑鏀寔銆?

_______