高中英语-Unit2-Cloning-第3课时导学案-新人教版选修8.doc

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高中英语Unit2Cloning第3课时导学案新人教版选修8

Unit2Cloning
第3课时导学案新人教版选修8Teachingaim:掌握科普文章的阅读方法及策略TeachingkeypointsanddifficultyHelpstudentsanalyzethereadingtechniqueofthearticle、学习过程：Newwords:预习下列单词，并会默写
1、精确的
2、商业的
3、坦率的
4、着手，承担
5、突破
6、程序，步骤
7、携带者
8、总共
9、任意的
10、修改，改正
11、反对
12、媒介
13、获得，赢得
14、获得，到达
15、道德的
16、保守的，守旧的
17、禁止
18、积累Step1:Findoutthemainideaofeachparagraph、Para
1、Para
2、Para
3、Para
4、Para
5、(a)Cloninghastwomajoruses、(d)TheproblemsofDolly、(b)TheeffectofDolly、(c)Itisforbiddentoclonehumanbeings、(e)Cloningisawayofmakinganexactcopyofanotheranimalandplant、Step2:Readthepassagequicklyandfinishthefollowingcomprehensiveexercises、Choosetherightansweraccordingtothetext、1、Dollythesheep_____、
A、lookedexactlylikethesheepthatprovidestheegg、
B、wastheexactcopyofthesheepthatprovidesthenucleus、
C、lookedlikethesheepthatgavebirthtoit、
D、hadthecharacteristicsofallthreesheep、
2、Itcanbeinferredfromthepassagethataclonedanimal_____、
A、usuallylivesaslongastheoriginalone
B、usuallyliveslongerthantheoriginalone
C、usuallyliveslongerthantheoriginalone
D、isusuallyashealthyastheoriginalone
3、Whichofthefollowingisnotanadvantageofcloning?
A、Cloningcanbeusedformedicalpurposes、
B、Largequantitiesoffoodcanbeproducedbycloning、
C、Cloningcanhelpkeepanimalsfrombecomingextinct、
D、Famouspersonswhohavepassedawaycanbecloned、
4、Wecanusetheskillofcloningto__________、
A、bringaboutglobalpeace
B、createotherfamousscientists
C、improvethedevelopmentoflearninglanguage
D、curesomespecialdiseases
5、Whatarepeoplecloningnow?__________
A、Theyarecloningtrees,cropsaswellasanimals
B、Theyarecloningbooksandmachines
C、Theyarecloninghumansandanimals
D、TheyarecloningplantsandscienceStep3:DetailreadingFillinthechartusingtheinformationfromthetext、(1)Problemsordangersofcloning:a)Animalsmay____________________ofolderanimals、b)Animalclonesmay____________thanthedonoranimalsc)___________maywanttoclonethemselves、d)Thereare___________________tocloninghumanbeings、(2)
Advantagesofcloninga)Medicalcloningcould_____________forseriousdeg