高二英语人教版选修8学案新知预习Unit2Cloning

Unit 2　Cloning
新知预
Ⅰ词汇点兵
　　预单元词汇完成列测评项目
1．The brothers 　 　　(……) widely in their tastes
2．This question is quite 　 　　(简单)while that one is much more complicated
3．It is quite 　 　　(令安) to hear the bad news
4．Smoking is 　 　　(禁止) in public places
5．His suggestion sounds quite 　 　　(合情合理) to most of us
6．The film was a 　 　　 (商业)success
7．I’d like to come too if you have no 　 　　(反)
8．He 　 　　 (仅仅) asked us our names
9．There were strong 　 　　(争) for and against the plan
10．He always managed to 　 　　() what he wanted
答案1differ　2straightforward　3disturbing　4forbidden5reasonable　6commercial　7objection　8merely9arguments　10 obtain
Ⅱ词组活
cast down　pay off　in favour of　from time to timebe bound to
 1 She was 　 　　by her husband’s death
2 My uncle comes to have dinner with us 　 　　
3 He has been working so hard at his lessons so he 　 　　pass the exam this time
4 Finally his efforts 　 　　
5 All of them were strongly 　 　　 the project
答案1cast down　2from time to time　3is bound to4paid off　5in favour of
Ⅲ语篇领悟
阅读课文题四选项(ABCD)中选出佳选项
Text A
旨意
1The main idea of the text is 　 　　
A animal cloning is very valuable and can benefit the world
B animal cloning could be misused by bad people so it must be forbidden
C animal cloning is well developed because Dolly the sheep was born
D animal cloning raised arguments and scientists are not sure about its future
答案D
细枝末节
2 Which of the following statements about cloning is NOT true according to the text
A Cloning is something that has been developed quite recently
B Twins that look exactly the same are originally from the same egg
C Cloning is used by gardeners to make more money
D Animal cloning is much more difficult than plant cloning
答案A
 3 The cloning of Dolly the sheep succeeded because 　 　　
A it’s easier to clone a sheep than other animals
B the scientists were determined and worked hard with patience
C the scientists were rewarded and got lots of money
D many other attempts to clone mammals failed
答案B
 4 The lamb is the clone of the cell from sheep B because 　 　　
A it provides the the egg cell
B it gives birth to the lamb
C it provides the nucleus
D it is a female sheep
答案C
 推理判断
5 The sheep that donated the somatic cell most probably lived 　 　　years
A3　　　　B6　　　　C9　　　　D12
答案D
Text B
旨意
6 The writer of the text 　 　　
A is excited by the possibility of cloning fiece and extinct animals
B believes that extinct animals can be brought back to life by cloning
C thinks it impossible or unsuitable to clone extinct animals like dinosaurs
D dreams of dinosaurs returning to the earth
答案C
细枝末节
7 The film Jurassic Park is popular because 　 　　
A people are interested in the subject of cloning
B all the actors are dinosaurs
C it was directed by a scientist who clones dinosaurs
D it proves very interesting
答案A
 8 Which of the following is true
A Mice were cloned in 1981
B Dolly the sheep was the first cloned animal
C The name of the cloned cow is Bison
D China was successful in cloning mammals
答案D
 9 The reasons why a group of cloned animals all die of the same illness do NOT include 　 　　
A they have the same arrangement of genes
B there isn’t enough diversity in the group for it to overcome illnesses
C the illness is a new one
D their arrangement of genes can not resist that new disease
答案C
推理判断
10 We can infer from the text that 　 　　
A scientists are experimenting to clone dinosaurs
B dinosaurs will never return to the earth
C cloned animals will only live in the zoo
D the DNA of dinosaurs can only survive 10 000 years
答案B



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