Using LanguageⅡ板书设计及意图

Unit2 cloning

Using language

一、

1.Have you ever seen the film Jurassic Park? Why do people like this film? What animals do you see in the film?

Are they real?

2. Do you like dinosaurs? Can you see them in our real life? Why?

3. Do you think it is possible to clone dinosaurs? If not, why? If yes, do you think that’s good for human beings? Why? 4. first experimental clones of cows

5. research using the embryos of mice

6. first clone of a mammal

7. work on the embryos of sheep and mice

8. first experimental clones of mice

二、Choose the best answer.

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

mammals.

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 it to overcome illnesses

C. the illness is a new one

D. their arrangement of genes can not

resist that new disease

5. 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

10 000 years

People interested in

Not only film makers but also _________________.

________ for its impossibility

•

•

Perfect DNA is needed.

•

There is not enough

________ in

the group.

A (n) ______________ would be needed for the cloned extinct animals.

__________ The chance of dinosaurs returning to the earth is ______________. Give some reasons why it is either impossible or unsuitable to clone extinct animals.

Reason 1:You need perfect DNT. Reason 2:There is not enough diversity for cloned animals to overcome new diseases. Reason 3:It would be unfair to clone any extinct animals if they would have to live in a zoo.

Diversity in a group of cloned animals

Advantage of diversity

Disadvantage of diversity

If there is a new illness,

some of these animals

may die, but others

They would all have the same arrangement of genes will survive and

and so they might all die of the same disease.

passed on the ability

to resist that disease

to their children.

Language points

of Using Language

一.词汇拓展

1.accumulate (v.) 积累；聚集

____________(n.) 积累；聚集

2. assumption (n.) 假定；设想

____________(v.)假定；设想

3. popular adj.

 __________ n

3. retire (v.) 退休___________(n.) 退休；退让

___________

(adj.)退职的; 退休的

4. ___________(n.)规则；规章

____________(v.) 管理；控制

____________(adj.) 有规则的

_________ (adv.)

5. resist (v.) 抵抗；对抗

___________(n.)反抗，抵制；

___________(adj.)抵抗的

6. _____________(n.)装饰(品)；装璜

__________________(v.)装饰，装璜

7._____________ (adj.)通情达理的；合理的

____________(n.&v.) ___________

(反义)

______________( adv.)

1. 一定/注定做…

2. 不时；偶尔

3. 使复活；使复生

4. 白费力气；枉费心机

5. 状况很好/坏

6. 使…刻骨铭心

1. be in favour of

__________

be against

___________

do sb. a favour/ do a favour to sb._________

(2) 他赞成这个项财务计划？

_______________________

2. owe

vt.欠；应该把…归功于

owe sb. sth.=owe sb. for sth.

欠某人…

owe sth. to sb. 某事归功于某人

owe sb a lot 非常感激

owing adj. 欠着的

owing to =because of 因为

1.

1) I _____________________. (非常感激我的父母)

2) I will write and tell Mary because I _____________________.(欠她一个解释)

3) She _____ her rapid progress _____ the tutor’s patient help.

3. strike

v. 打; 撞击; 罢工

_________________________ 使……刻骨铭心

He struck a knife into the traitor's heart.

4. do/make/carry out/perform an experiment

on/in/with…

做...实验, 对...做实验

5. …but others will survive and pass on the

ability to resist that disease to the next

generation.

1)

pass on…to… 传递; 留给

Would you pass it on to the next person?

把它传给下一个人好吗?

Fill in the blanks with the words given.

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.

6. I will lose no time _________ regret. 我不会在徒然的后悔中失去时间

Homework

Finish writing the article on the debate on page 61,workbook.