Using LanguageⅡppt课件教学实录

Book8 unit 2 Using language 教学设计

The

return

of

the

dinosaurs

?

教学重难点：

1、掌握本课重点难点的单词，短语和句式。

2、使学生对克隆技术知识有基本的了解，并且对于克隆技术的发展形成自己的认识。

设计思路：

本课首先通过画面展示，来了解自克隆技术的诞生以来的克隆成果，，由此引出本课的话题

一

克隆会让恐龙回来吗？然后利用各种不同类型的练习形式，通过略读，快读，精读的不同步骤，让学生对于文章形成深刻的理解和掌握。

在讲解本课的过程时，通过生动的画面显示，引导出学生的无限想象力，丰富的习题形式将会大大地巩固对于生词的理解和难点句式的把握，而且对于克隆技术的发展有了一个更明确的认识。

教学过程

Enjoy some pictures of dinosaurs? Reading

Answer the following questions:

1. Why shouldn’t you clone an extinct animal if 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 you clone the DNA of animals that have been extinct longer than 10,000 years?

细枝末节

1. 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 推理判断

2. 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 year 主旨大意

3.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

长句难句



The popularity of the film Jurassic Park, in which a scientist clones several different kinds of extinct dinosaurs, proves how the idea struck

a mixture of fear and excitement into people’s hearts.

in which引导定语从句,先行词the film Jurassic Park，

in which合起来做类似地点的状语，

how引导宾语从句，使用陈述句语序，做prove的宾语

电影

《侏罗纪公园》的欢迎证实了普通人对这一话题是多么感兴趣,在该电影中一位科学家克隆了几种不同的恐龙。

2. From time to time people suggest that the animals that have disappeared from the earth, like dinosaurs, can possibly be brought back to life through cloning.

from time to time有时, 间或, 偶尔, = occasionally, now and then。



主干成分people

suggest that the animals can be brought back to

life



that have disappeared from the earth 是定语从句，修饰

the animals ，

like dinosaurs介词短语修饰the animals ，

through cloning. 介词短语表示方式



人们时常设想从地球上消失的动物,例如恐龙,有可能通过克隆技术使它们复活。

Language points



strike

v.n

struck, struck 

1)撞；碰；撞击；碰撞



She fell, striking her head against the side of the boat. 

她摔倒时头撞在船舷上。



2)击打，踢(球等) 

He struck the ball into the back of the net. 

他射出的球直入网底。

3)(想法，念头)突然想到；一下子想起；猛地意识到

An idea suddenly struck me. 我心中忽然产生了一个念头。

4)～sb(as sth)给(某人以……)印象；让(某人)觉得

5)(疾病，灾难)侵袭；爆发

The area was struck/hit by an outbreak of cholera. 那一地区爆发了霍乱。

6)(钟)敲，鸣，报时

The clock struck nine. 钟敲了九下。

7)罢工

The workers were striking because they wanted more money. 工人们在罢工，因为他们要求增加工资。

8)擦，划(火柴)；击出火星

The matches were damp and he couldn't make them strike. 火柴受潮了，他划不着。

【知识拓展】

1)be struck by/on/with sb/sth 被某人(或某物)打动；迷恋某人(或某物) I was struck by her beauty. 她的美貌给我留下了深刻的印象。

2)on the strike 罢工；处于工作停顿状态的

Most of the employees were on strike. 许多雇员在罢工。

3)strike...into one's heart 使……刻骨铭心

The ghost story struck fear into the hearts of the children. 那个鬼故事使孩子们心惊肉跳。

4)It strikes me that... 我觉得……；

我的印象是……

It suddenly struck me that we ought to make a new plan. 我突然想到，

我们应该制订一个新的方案。

5)Strike while the iron is hot. 趁热打铁

He should strike while the iron is hot. 他应该趁热打铁。

【词语辨析】

strike, hit, beat, knock 这些动词均含有“打”之意。

1)strike普通用词，多指急速或突然一次猛击。

I've struck my foot on a stone. 我把脚踢在石头上了。

2)hit普通用词，比较口语化，常与strike换用，侧重有目标的猛击，强调用力击中。

The stone hit the window. 石头打中了窗户。

3)beat普通用词，含义广泛，指连续打击。游戏、竞赛或战争中作

“打败”解。

The rain was beating against the window.

雨击打在窗上。

4)knock 侧重用拳头或硬物敲打。

As the man came near, the prisoner knocked him to the ground with a sharp blow. 当这个人走近时，战俘猛地一拳将他打翻在地。



resist(v.) 

1)抵制；阻挡



They are determined to resist pressure to change the law. 

他们决心顶住要求改革法律的呼声。



2)反抗；回击；抵抗



If the enemy continue to resist, wipe them out. 

如果敌人继续抵抗，就把他们消灭掉。

3)(通常用于否定句)忍住；抵挡

I was unable to resist laughing.

我忍不住笑了。

4)使不受……的伤害；抗(伤害) A healthy body resists disease. 健康的身体能抵御疾病。

Discussion

What can we do to stop more animals from dying out? Homework

Write a composition about the measures of how to stop more animals from dying out based on the discussion in class.