人教版高中英语选修八 Unit2 Cloning using language- reading Cdiscussing and writing课件(共32张)
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| 名称 | 人教版高中英语选修八 Unit2 Cloning using language- reading Cdiscussing and writing课件(共32张) |  | |
| 格式 | zip | ||
| 文件大小 | 986.9KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2019-03-04 21:55:22 | ||
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课件32张PPT。新课标高二版.选修八Cloning Unit 2Using language - reading,
discussing and writingImprove the students’ reading ability (skimming and scanning).
Enable the students to grasp the useful words and expressions.
Practice the students’ writing.Teaching aims:公元前5000年，谷物选种,这是克隆技术
最终目标的最初体现。The history of
people’s clone1952年克隆蝌蚪 1972年基因复制 1978年试管婴儿出生 Dolly 1996１９９８年７月２３日三代克隆鼠诞生 美成功克隆猴克隆猪有望成为人体器官移植的供应者 霸王龙The return of the dinosaurs?剑龙角龙雷龙Step1: Read the passage and answer the questions:1. Why shouldn’t you clone an extinct animal unless there is enough diversity in the group?
2. Why is it wrong to clone an extinct animal if it would live in a zoo? There will not be enough genetic variation in the group to be able to resist new illnesses.
Answers:It is not a good idea to clone an animal that would have to live in a zoo because it is not a suitable habitat to develop and increase its numbers. The zoo is not a natural environment for a wild animal.Answers: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.Step2: Read the passage again, and choose the correct answer.2. The film Jurassic Park is popular because_____.
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 interesting3. 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 disease4. 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 yearStep2: Language points1.from time to time有时,间或,偶尔
= occasionally
= now and then
= sometimes He went fishing from time to time.
他不时去钓鱼。2.bring… back to life 使复生
我们不能使这只狗复生。
We can’t bring the dog back to life.
如果人能够复生，世界将是什么样子呢？
If people can be brought back to life, what
will the world be? 3.resist
n. 防染剂;抗蚀剂
vi. 抵抗,反抗,抗拒
If the enemy continue to resist, wipe them out.
如果敌人继续抵抗,就把他们消灭掉。
vt.
1. 抵[反, 对]抗
The nation was unable to resist the invasion.
该国无力抵抗侵略。
A healthy body resists disease.
健康的身体能抵御疾病。 2. 阻, 耐(得住)
3. 阻挡, 抵制, 抗拒, 违背; [常用于否定句]忍住
resist aggression 抵抗侵略
I was unable to resist laughing.
我忍不住笑了。
resist temptation 不受引诱
resist heat 耐热
I can't resist the temptation.
我不能抵挡诱惑。 4. merely=only
adv. 仅仅(地), 只不过, 只是
I merely asked his name.
我只不过问问他的名字。
This is merely the beginning.
这仅仅是个开头。
not merely ... but also
不仅......而且......
Step4:Now in pairs discuss which extinct animals
described below are worth restoring by means
of cloning.Auroch (1627)discussionDodo bird (1755)Quagga (1883)Great Auk (1844)Step5: Writing:
Make a list of your reasons for restoring it.
Write a short report giving your reasons
to persuade other people. You can
refer to the Passage on P17 .
Let’s bring the dodo back to life Write “Let’s bring … back to life” in your exercise books.Homework
discussing and writingImprove the students’ reading ability (skimming and scanning).
Enable the students to grasp the useful words and expressions.
Practice the students’ writing.Teaching aims:公元前5000年，谷物选种,这是克隆技术
最终目标的最初体现。The history of
people’s clone1952年克隆蝌蚪 1972年基因复制 1978年试管婴儿出生 Dolly 1996１９９８年７月２３日三代克隆鼠诞生 美成功克隆猴克隆猪有望成为人体器官移植的供应者 霸王龙The return of the dinosaurs?剑龙角龙雷龙Step1: Read the passage and answer the questions:1. Why shouldn’t you clone an extinct animal unless there is enough diversity in the group?
2. Why is it wrong to clone an extinct animal if it would live in a zoo? There will not be enough genetic variation in the group to be able to resist new illnesses.
Answers:It is not a good idea to clone an animal that would have to live in a zoo because it is not a suitable habitat to develop and increase its numbers. The zoo is not a natural environment for a wild animal.Answers: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.Step2: Read the passage again, and choose the correct answer.2. The film Jurassic Park is popular because_____.
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 interesting3. 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 disease4. 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 yearStep2: Language points1.from time to time有时,间或,偶尔
= occasionally
= now and then
= sometimes He went fishing from time to time.
他不时去钓鱼。2.bring… back to life 使复生
我们不能使这只狗复生。
We can’t bring the dog back to life.
如果人能够复生，世界将是什么样子呢？
If people can be brought back to life, what
will the world be? 3.resist
n. 防染剂;抗蚀剂
vi. 抵抗,反抗,抗拒
If the enemy continue to resist, wipe them out.
如果敌人继续抵抗,就把他们消灭掉。
vt.
1. 抵[反, 对]抗
The nation was unable to resist the invasion.
该国无力抵抗侵略。
A healthy body resists disease.
健康的身体能抵御疾病。 2. 阻, 耐(得住)
3. 阻挡, 抵制, 抗拒, 违背; [常用于否定句]忍住
resist aggression 抵抗侵略
I was unable to resist laughing.
我忍不住笑了。
resist temptation 不受引诱
resist heat 耐热
I can't resist the temptation.
我不能抵挡诱惑。 4. merely=only
adv. 仅仅(地), 只不过, 只是
I merely asked his name.
我只不过问问他的名字。
This is merely the beginning.
这仅仅是个开头。
not merely ... but also
不仅......而且......
Step4:Now in pairs discuss which extinct animals
described below are worth restoring by means
of cloning.Auroch (1627)discussionDodo bird (1755)Quagga (1883)Great Auk (1844)Step5: Writing:
Make a list of your reasons for restoring it.
Write a short report giving your reasons
to persuade other people. You can
refer to the Passage on P17 .
Let’s bring the dodo back to life Write “Let’s bring … back to life” in your exercise books.Homework