选修8 Unit2 Cloning (Reading) 公开课 课件

1

Unit 2

Cloning

[单词 拼写应用]

核心单词

1．altogether adv.总共；完全地

2．forbid vt.禁止；不准

3．obtain vt.获得；赢得

4．owe vt.欠(账、钱、人情等)；归功于……

5．shortly adv.立刻；不久

6．bother vt.打扰 vi.操心 n．烦扰

7．strike vt.& vi.打；撞击；罢工 n．罢工

8．drawback n．缺点；不利条件

9．undertake vt.着手；从事；承担

10．breakthrough n．突破

11．retire vi.退休；离开

12．resist vt.抵抗；对抗

[语境运用] 用所给词的适当形式填空。

1．We are supposed to_undertake (undertake) the responsibility to lead a

low-carbon lifestyle，which is of great significance.

2．Nowadays，energy can be_obtained (obtain) through various sources such as

oil，coal，natural gas，solar heat，the wind and ocean tides.

3．Our school is a non-smoking school.So smoking is_forbidden ( forbid ) here.

4．Had I realized you were busy，I wouldn't have_bothered(bother) you with my

questions.

5．But just as a coin has two sides，Internet has its own drawbacks (drawback)， 2 which should not be neglected.

⾼考英语⼀轮复习话题37克隆（Unit2Cloning）新⼈教版

选修8

话题37 克隆（Unit 2 Cloning）晨读背诵

When the media report on cloning in the news, they are usually talking about only one type called reproductive cloning.There are different types of cloning however, and cloning technologies can be used for other purposes besides producing thegenetic twin of another organism.

Scientists have been cloning animals for many years. In 1952, the first animal, a tadpole, was cloned. Before the creation ofDolly, the first mammal cloned from the cell of an adult animal, clones were created from embryonic cells. Since Dolly,researchers have cloned a number of large and small animals including sheep, goats, cows, mice, pigs ,cats, rabbits, and agaur. All these clones were created using nuclear transfer technology.汉语⼤意：当媒体报道的克隆的消息，他们通常所说的只有⼀种称为⽣殖性克隆的类型。然⽽有不同类型的克隆。除了⽣产遗传双胞胎的另⼀⽣物体，克隆技术可以⽤于

学必求其心得，业必贵于专精

Unit 2 Cloning

主讲人：周敏

I．Teaching material: 选修8 Unit 2

II．Teaching aims:

1. Knowledge aims：

1) Vocabulary: differ， exact， cutting, twin， identical, commercial，

straightforward， complicated， undertake, breakthrough, procedure，

nucleus， somatic， embryo， carrier， cast, altogether, arbitrary，

fate， correction, object， objection， impact, medium, obtain， attain，

moral， conservative, forbid, accumulate, pay off, cast down， the

medium， in favor of

2) Sentences structures：

It is a way of…

The fact is that…

The question that occurred is…

2。 Ability aims：

Enable students to describe cloning： What is cloning？ What is the

advantage about cloning? What are the problems or danger of cloning？

Is it necessary to clone dodo birds？

3。 Emotion aims:

1) Let students try to work together and communicate with others.

Unit 2 Cloning

一、课前基础自查

(一)分类记单词——省时高效

Ⅰ.阅读单词(知其意)

1．twin n． 双胞胎之一；孪生儿之一

adj. 成对的；成双的

2．straightforward adj. 简单的；直接的；坦率的

3．arbitrary adj. 任意的

4．medium n. 媒介；手段；工具

5．fate n. 命运；天命

6．conservative adj. 保守的；守旧的

7．constitution n. 宪法；章程

8．compulsory adj. 必须做的；义务的；强迫的；强制的

9．opera n. 歌剧；歌剧团；歌剧院

10．chorus n. 合唱；合唱队

11．loaf n. 一条(面包)

12．flour n. 面粉

13．claw n. 爪；脚爪

14．feather n. 羽毛

15．turkey n. 火鸡 Ⅱ.重点单词(写其形)

1．exact adj. 精确的；准确的

2．cast vt. 扔；投；掷

3．obtain vt. 获得；赢得

4.attain vt. 获得；到达(水平、年龄、状况等)

5．forbid vt. 禁止；不准

6．shortly adv. 立刻；不久

7．strike v. 打；撞击；罢工

n. 罢工

8．undertake vt. 着手；从事；承担

9．breakthrough n. 突破

10．altogether adv. 总共；完全地

11．vain adj. 虚荣的；自负的；徒劳的

12．owe vt. 欠(账、钱、人情等)；归功于

13．initial adj. 最初的；开始的

14．bother vt. 打扰

vi. 操心

n. 烦扰

15．drawback n. 缺点；不利条件

16．merely adv. 仅；只；不过