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1、2022年高中英語《Unit2 Cloning 》導(dǎo)學(xué)案（五）新人教版選修8
一、導(dǎo)案
1. 分娩 2. 不時(shí)；偶爾
3. 徒勞 4. 將某物傳遞給某人
5. _________________死于 6. _________________ 注定
7. __________________過著。。。的 生活 8 . ____________________以。
2、。。為基礎(chǔ)
二、課內(nèi)探究學(xué)案
探究1 Fast reading
Read the passage quickly and find out the main idea about the text.
______________________________________________________________________________.
探究2 Careful reading
I. Answer the following questions:
1. Why shouldn’t you clone an extinct animal i
3、f there isn’t enough diversity in the group?
______________________________________________________________________________.
2. Why is it wrong to clone an extinct animal if it would have to live in a zoo?
_________________________________________________________________________.
3. Why can’t
4、you clone the DNA of animals that have been extinct longer than 10,000 years?
_________________________________________________________________________.
1. II. Make the best choice according to passage.
1. The film Jurassic Park is popular because ____.
5、
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
2. Which of the following is true?________
AMice were cloned in 1981. B. Dolly the sheep
6、 was the first cloned animal.
C. The name of the cloned cow is “Bison” D. China was successful in cloning mammals.
3. The reasons why a group of cloned animals all die of the same illness do NOT include_______
A. they have the same ar
7、rangement of genes B. there isn’t enough diversity in the group for it to overe illnesses
C. the illness is a new one
D. their arrangement of genes can not resist that new disease
4. We can infer from the text that_________
A. sc
8、ientists 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 year 探究3 Study reading
Read the text again, find out the sentences and analyse them.
【觀察探究】He only es
9、to the pany from time to time.他只是偶爾到公司來。
【歸納總結(jié)】from time to time________，________，_______，等于___________,_______________。
即時(shí)練習(xí)翻譯______________________________.他有時(shí)變得很沒有道理。
3. 【原文再現(xiàn)】It is useless to clone an animal if there is not enough diversity in the group for it to overe illnesses. 譯：___
10、______________________________________________.
[句式透析]當(dāng)________、________或________作主語時(shí), 通常把它們放在謂語之后, 而用_________作句子的形式主語。
4. 【原文再現(xiàn)】Diversity in a group means having animals with their genes arranged in different ways.
11、
譯：___________________________________________________________________________.
[句式透析] with their genes arranged in different ways作________, in different ways 意思是_________。
5. 【原文再現(xiàn)】...but others will survive and pass on the ability to resist that disease to their children.
12、
譯：____________________________________________________________.
【觀察探究】They resisted the attack.他們抵抗那次攻擊。She resisted being carried off.她拒絕被帶走。
The material resists water.這材料是防水的。She could not resist the temptation.她無法抗拒那項(xiàng)誘惑。歸納拓展
resist作及物動(dòng)詞主要有三個(gè)義項(xiàng)：________，_______
13、__；______________；（與cannot， could not 連用）____________,_______________。
即時(shí)練習(xí)翻譯__________________________.我無法抵擋巧克力。
6. 【原文再現(xiàn)】Based on what we know now, you can not clone animals that have been extinct longer than 10000 years. 譯：_______________________________________________________.
【觀察探究】Y
14、ou must base your words on facts.你說話要有事實(shí)根據(jù)。
規(guī)則提示
base on/upon_________，________，其結(jié)構(gòu)為________________或________________。
即時(shí)練習(xí)翻譯__________________________.這種結(jié)論是怎么得來的？
三、練案
I. 選用合適的詞或短語，并用其適當(dāng)形式填空。
cast down; pay off; in favour of; from time to time;be bound to
1.She was ＿＿＿＿＿＿ by he
15、r husband＇s death.
2.My uncle es 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.
4. The genes of the cloned animal are so arranged that it ca
16、n not ___ such a disease, so it soon died.
A. keep B. stop C. exist D. resist
5. The movie is based_______ historical fact.
A. to B. on C. with D. in
四、Homework
1. Remember the new words for dictation.
2. Preview the grammar.
答案
3. The DNA of animals more than 10
17、,000 years old is not suitable for cloning, for it can’t survive so long.
3. 【原文再現(xiàn)】該群中如果沒有足夠的多樣性使它克服疾病,克隆動(dòng)物就沒有用。
[句式透析] 當(dāng)動(dòng)詞不定式、動(dòng)名詞或從句作主語時(shí), 通常把它們放在謂語之后, 而用it作句子的形式主語。
即時(shí)練習(xí)單項(xiàng)填空(1) A(2) D(3) C
4. 【原文再現(xiàn)】群中的多樣性指的是擁有基因排列方式不同的動(dòng)物。
[句式透析] with their genes arranged in different ways作定語, in different ways 以不同的方式。
即時(shí)練習(xí)答案：What is the conclusion based on?
練案I. 選用合適的詞或短語，并用其適當(dāng)形式填空。
1.cast down 2. from time to time3. is bound to 4.paid off 5.in favour of
II. 單項(xiàng)填空 AADDB
2022年高中英語《Unit2 Cloning 》導(dǎo)學(xué)案（五）新人教版選修8
