Using LanguageⅡ优质课教案推荐

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Using Language Learning objectives: 1.

To have a general and correct understanding of the text by finishing the reading comprehension independently. 2.

To master the useful phrases and important sentences about cloning through group work. 3.

To learn to write a report about the advantages and disadvantages of cloning by making full use of your group discussion and imagination. Reading comprehension 1.

The film Jurassic Park is popular because

A.

people are interested in the subject of cloning fierce and extinct wild animals B.

all the actors are dinosaurs C.

it was directed by a scientist who cloned dinosaurs D.

it proves very interesting 2.

Which of the following is TRUE?

A.

Frogs 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. 3.

It can be inferred from the text that

A.

scientists are experiments with cloning 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 4.

The passage mainly tells us about the

of cloning extinct animals. A.

possibility

B.methods

C.examples

D.importance

Useful phrases: 1.

.......的可能性

2.绝种恐龙

3.使......刻骨铭心

4.用.......做实验

5.时不时；偶尔

6.使复活

7.白费力气

8.用不同的方式

9.把......传给......

10.过自然的生活

11.根据我们现在所知

12.......的几率

Important sentences: 1.The popularity of the film such as Jurassic Park, in which a scientist clones several different kinds of extinct dinosaurs, proves how

ideas struck a mixture of fear and excitement into people’s hearts. 在电影《侏罗纪公园》中，一位科学家克隆了几种不同的恐龙。这样的电影很受欢迎，证实了这一想法使人们感到既兴奋又恐惧。

该句中句子的主干是

1

in which 引导的是

从句；

how引导的是

从句

2.Diversity in a group means having animals with their genes arranged in different ways.

群中的多样性指的是拥有基因排列方式不同的动物. with their genes arranged in different ways中with复合结构作了

成分. 3.Based on what we know now, you can not clone animals that have been extinct longer than 10000 years. 据我们现在所知, 绝种一万年以上的动物不能克隆。

based on意为

，该短语在此处作

成分. 其结构一般为

base sth. on/ upon

sth. is based on/ upon

4.The advantage is that if there is a new illness some of these animals may die,but others will survive and pass on the ability to resist that disease to their children.

The advantage is that if...中, that 引导的是

从句，同时在该从句中包含if引导的

从句. 5.It would be unfair to clone any extinct animals if they were to live in a zoo.

该句中用了与

相反的虚拟语气。

Exercise: 1.Have the nail-biting actions in the film The Clone Wars

(strike) a mixture of fear and excitement into your heart? But

fact we are a long way from being able

(clone) extinct animals. 2.From time

time people suggest that extinct animals like dinosaurs, can possibly

(bring) back to life through cloning.

(fortunate), with what we know now, this is either impossible or

(suitable). 3. Diversity in a group means

(have) animals with their genes arranged in different ways. 4. The great drawback to cloning a group of animals is that they would all have the same

(arrange) of genes and so might die of the same illness. So the chance of dinosaurs ever returning t the earth is

(mere) a dream. Group discussion: What are the advantages and disadvantages of cloning? Homework:

Each group gives a report on the advantages and disadvantages of cloning based on your group discussion.

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