人教版高中英语选修七Module8Unit2CloningSectionIV单元知识小结

2022-2021学年高中英语同步教案（4：Unit 2 Cloning人教新课标选修8）The first PeriodStep ⅠRevisionCheck the students’ homework.T: Last class we talked something about cloning. Now, who can show your opinion?S: Let me have a try. In my opinion it is wrong to clone human beings. If my parents decided to have a clone made of me, I would feel very sad and I would never accept the clone as a member of the family or as my friend.T: Good job!Step ⅡWord StudyT: You know it is not enough to recite words. You should also use it often. You must pay more attention to the tenses and voices. For example: The building was restored last year. In this sentence, you must use the words “was” and “restored”. Because the past tense and passive voice are contained in the sentence. Do you understand?S: How can I know the tense and voice?T: You can know it throughout some key words and the meanings of these sentences. Now please open your books and turn to page 13. Look at Learning about Language. First let’s do Ex 1. Complete the fol lowing sentences using suitable words or phrases from the previous sections on page 13.You can look them up in an EE dictionary. Complete the sentences with suitable words in correct forms.Several minutes later, check the answers with the whole class.T: Do you know the meaning of “pretty”?S: It means “piaoliang” in Chinese.T: Can you use another word instead of it in English?S: We can use the words “beautiful” and “lovely”.T: You are right! There are many words that have the same meaning. So when we meet them, we must pay more attention to them. Now let’s look at Ex 2. Rewrite the following sentences using words of the similar meaning to replace the underlined words.Several minutes later, check the answers with the whole class. Then do Ex 3.T: After we can use the words in sentences, we will use it in passages. Now, use the words and phrases below to fill in this passage and then answer my questions.Questions:1. What did Freddy want to do when he grew older?2. What did Freddy want to do when the dream that one could live forever now seemed impossible?T: Who can answer my questions? The first one: What did Freddy want to do when he grew older?S1: He wanted to undertake cloning so that his musical career could continue.T: Very good! What about the second one? S2: He made up his mind to enjoy his singing and accumulate many happy experiences so that when he retired he would be able to look back on his life with a great pleasure.T: Good job!Step ⅢRole-play (Ex 4)T: Now, read the questions and answers and underline the words in the answers identical with those in the questions. Then role play your dialogues. Who wants to have a try with your pair?S1: Let me have a try.A sample dialogue:S1: Excuse me, can I ask you some questions?S2: Sure!S1: What is your point of view about human cloning?S2: My opinion is that human cloning should be forbidden.S1: How can you prove a clone is authentic?S2: A real clone should be identical to its original parent, from whom the cell was taken.…T: Good job! (To all the students) You should practice more after class.Step ⅣGrammarT: Do you know the appositive clauses? Please pick out three more examples from the reading passage.Sample answers:The fact is that they are natural clones of each other.The whole scientific would follow the progress of the first successful clone, Dolly the sheep.Altogether Dolly lived for six years, half the length of the life of the original sheep.T: Now let me explain something about the appositive clauses. The appositive clause is a clause used as an appositive. The clause is an explanation to the noun before. The appositive clause belongs to noun clauses. Most of the appositive clauses may be introduced by the conjunction that. A content clause is frequently in apposition with such nouns as fact, news, idea, thought, question, reply, report, remark, hope, belief, suggestion etc.Some examples:Nobody shares my belief that he was mad.My suggestion that he was mad was not accepted.They are familiar with the opinion that all matter consists of atoms.Where did you get the idea that I could not come?We haven’t yet settled the question where we are going to spend our summer vacation.The suggestion came from the chairman that the new rule should be adopted.T: The words the fact are often inserted in front of an object clause when the clause cannot be conveniently。

1. What is a clone?
A clone is an animal or a plant produced naturally or artificially from the cells of another animal or plant and is exactly the same as it.
2. How is a clone produced？
The cloning of plants is simple and relatively easy. It can be done by taking cuttings (manmade cloning) or letting the plant produce its own runners (natural cloning). The cloning of animals is more complicated. It was not achieved until 1996 and is fully explained in the first reading.
C. Dolly successfully cloned a new lamb with the help of cloning scientists.
D. there were arguments about animal cloning and concerns about the future of cloning.
4. What problems may arise when humany want to clone themselves so they can live forever.
• People may want to clone dead children. • People may want to clone their favourite pets.

The fact that she seemed to develop normally was very encouraging.
多莉看来是正常地生长着的事实很令人 鼓励。
Then came the distur news that Dolly had become seriously ill.
2. 引导同位语从句的连接词
从句句型
连接词
陈说句
that ( 不可以省略)
一般疑问句 特殊疑问句
whether“是否”（不用if） 代词:what, who, whom, whose, which; 副词: when, where, why,how
Complete the sentences.
The news that death toll in China quake reached 10,000made us sad.
Order came that all these houses （should） be pulled down in a month.
His suggestion that students （should） learn something practical is very reasonable.
6) We've just heard a warning on the radio _th_a_t_ a hurricane is likely to come. 同
7) There is no doubt t_h_a_the has told a lie.同
8) I have no idea w__h_e_r_e they live!
同
9) The coat is in the place _w_h_e_r_e_ you

■Period 4Using Language；前练习；o <■; I .单句语法填空：：；；；■1 ■ Your design sounds________ (reason) but is not practical.■2. He's ________ (able) to come to the meeting today due to health problems.■3. I didn't say that I wanted to buy it but (mere) asked for the price.■4. A new branch of the company is going to open. Meanwhile, the ________ (decorate) of its main store has been finished・-【答案】1. reasonable 2. unable 3.merely 4 • decoration■II.用方框内所给短语的适当形式填空■strike •••into your heart, be bound to, bring •••back to life, in vain, in good condition■1. He wanted to be a highly skilled doctor who would be able to ____________ the dying■ 2 • Grandpa, who has always been , was suddenly ill, worrying the whole family.■3 • Jane, I think by doing so he is trying to___________ terror ____________ .■4. They tried to keep this experiment from failure, but ________________ .■5. He _________________ get punished for his bad deeds.■【答案】1 • bring; back to life 2. in good condition 3 • strike; into your heart4 • in vain 5. is bound to■I .通读课文，选择最佳选项■( )1. The writer of the text _________ .■A. is excited by the possibility of cloning fierce 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■( )2. 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-( )3. 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 twin calves.■( )4. 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 them to overcome illnesses■C. the illness is a new one■D. their arrangement of genes cannot resist that new disease■【答案】1〜4CADCII .精读课文，回答下列问题1 - What is the main idea of the second paragraph?2. What is the writer^ attitude towards cloning the dinosaurs?■ 3 • Why can't you clone the DNA of animals that have been extinct longer than 10, 000 years?■【答案］1. To explain the impossibility of cloning dinosaurs.■2・ Negative.■3 • Because the DNA of animals more than 10,000 years old can't survive so long.¥必考词汇■ 1 ・ strike vt. &vi・ (struck, struck)打；撞击；罢工；突然想到；打动；迷住；(钟)敲；侵袭心罢工■ He struck the table with his fist.■他用拳头击打桌子。