1.2 子集、全集、补集教学实录与评析

【课题名称】

M5U3

Project 课型

新授

课时

【学习目标】

After the class, students should be able to 1. Learn how to prepare a debate.

2. Take nature more seriously. 【学习重点】

1. Learn the importance and necessity of cooperating 2. Come up with good points by reasonably dealing with the information. 【学习难点】

Use what’s been learned to complete a project.

【学法指导】

Teachers -class, individuals, pairs work, read, practice 【知识链接】

In this part, students will learn about man and nature. After reading the two articles, they are supposed to form some opinions, which will help them outline their debate. 【导学过程】（学习方式、学习内容、学习程序、问题）

导学留白

All work and no play makes Jack a dull boy. 只会用功不玩耍，聪明孩子也变傻。

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预习导学

课前自主学习

一．预习Unit1第58至第59页上面的单词：

二．根据预习情况默写出下列单词和短语：（自学展示）

1.单词：

1）农业_____________________________

2）水道；航道；隧___________________________ 3）灾难；灾祸_______________________

4）准许，

许可，批__________________________ 5）收入；收益_______________________

6）使惊吓；使惊_____________________________ 7）从基因上_________________________

8）插入；嵌_________________________________ 9）害虫_____________________________

10）利润；获________________________________ 2. 短语：

1）赞同，支持_______________________

2）观______________________________________ 3）转基因的_________________________

4）食物____________________________________ 道准恐入益

点链展示导思

课中合作探究

Step1: Dictation Step2: Lead-in Look at the pictures and tell the class what they make you think of. Step3: Reading 1.

Read the first article fast and give the main idea of each paragraph. Paragraph

Main idea

All work and no play makes Jack a dull boy. 只会用功不玩耍，聪明孩子也变傻。

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2.

Reading the first article carefully and answer the following questions. 1) What have people done to nature? 2) If we continue in this way, what might happen? 3) What did developed nations do decades ago? What are they concerned about now? 4) What are poorer nations doing now?

What’s their purpose for doing so? 3. Discuss the following questions in groups. 1) Which is more important, economic development or protecting nature? 2) Do you think it contrary (矛盾的) to develop economy while not damaging the environment? 4.

Reading the second article and answer the following questions. 1) What are people’s different attitudes towards the study of genetics? 2) What is one aim of GM research talked about in the article? 3) What are the problems about GM food and GM plants? 4) What is many countries’ attitude towards GM food? Why do they hold such attitude?

5. Complete the table according to the second article. GM food: hope or danger? Situation

There has been great progress in the study of_____1____.

Doors have been opened up to ______2___ that never existed befo____3____in which a plant or First , new material can be inserted into its DNA to give the plan

an animal can be genetically animal ____4_____ which it would never have in nature

modified Second, _____5____can be taken from the DNA of a plant or ani

in order to remove qualities which are not desired.

Aim of GM research One ____6____of GM research is to produce food which will m

us healthier.

GM plants have larger_____7_____.

_____8____about GM food No one really knows whether it is ____9____for animals or hum

to eat.

No one knows what ____10_____the GM material might have on

food chain.

in this way_______________________________

in favor of_______________________________

point of view ____________________________

meet one’s own need_______________________

cause/spell a catastrophe____________________

look around _____________________________

be cautious with__________________________

decades of _______________________________at a fast pace_____________________________hundreds of thousands of acres of_____________work together____________________________make sure_______________________________defend oneself against______________________

Step4: Language points

Ⅰ.Important phrases in favor of_____________________________ in nature_______________________________ focus on/ upon__________________________ be concerned about______________________ be blamed for___________________________ meet one’s needs_________________________ at a fast pace____________________________ be limited to____________________________ rather than _____________________________ have an effect (effects) on_________________- give permission to________________________ after all_________________________________ live on the planet_________________________ Ⅱ.Important sentences: All work and no play makes Jack a dull boy. 只会用功不玩耍，聪明孩子也变傻。

1. Not everything that is best for nature is good for people.

(L7-L8)

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Everything that is best for nature is not good for people.

并非所有对自然来说是最好的就意味着对人类来说也是好的。

拓展：not 与以下词构成部分否定：all, everyone, everywhere, every, everything, both

全部否定的词：none, nobody, no one, neither, never, nothing, nowhere 并非所有的鸟都会飞。__________________________________________________________ 他们俩都不去那儿。____________________________________________________________ 他们俩并非都去那儿。__________________________________________________________ Put the following sentences into Chinese. 1) Not all the boys enjoy playing football. ____________________________________________________

2) Peter is not always late for school. ________________________________________________________ 3) --- Is John sometimes angry with you?

--- No, he is never angry with me.

_______________________________________________________________________________________ 4) --- Did they both pass the driving test?

--- No, one of them failed.

_______________________________________________________________________________________ 5) Pandas can not be found everywhere in Africa. _______________________________________________ Put the following sentences into negative ones. 1) Not all boys enjoy playing football.

______________________________________________________

2) Peter is not always late for school.

______________________________________________________ 3) --- Did they both pass the driving test?

__________________________________________________ 4) Pandas can not be found everywhere in Africa.

Pandas can be found _________ in Africa. 2. Would everyone say that economic development should be stopped in favor of nature?

(L8-L9) a) do something in favor of 对有利

b) be in favor of 赞同

1) Easy questions are prepared in favor of those who have difficulty in understanding the text.

2) Most people are in favor of the new project.

______________________________________________ Most people are for the new project.

Some people are against the new project. in favour of 有利于，赞同（接名词、代词和动名词）

ask a favour of 拜托某人

do sb. a favour = do a favour for sb. 帮助某人

find favour with a person 受青睐

favour sb. with sth.对某人施……恩惠

Will all those _____ the proposal raise their hands? A. in relation to

B. instead of

C. in honor of

D. in favor of 3. Other people argue that such thinking may cause a catastrophe, unless we start to look around and understand how a clean environment benefits us all. (L11-L13) 意思为：其他人则争辩说，这样的思维也许会招致大灾难，除非我们开始关注周围的环境，All work and no play makes Jack a dull boy. 只会用功不玩耍，聪明孩子也变傻。

懂得清洁的环境能够造福人类。

You will miss the flight, unless you set out right now. argue

v.

争辩，辩论，主张

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辨析：argue / debate / quarrel / discuss argue指说理、论证，侧重摆事实，试图说服对方，也可能是激烈的交换意见，以以致争吵；

debate 指正式的辩论，交锋

quarrel 指由于对某事不满而生气，同某人争吵，吵架

discuss 着重指交换意见，不含有说服对方的意思。

4. Many developed nations are now concerned about saving nature rather than developing or destroying the nature. (L14-L16) rather than

而不是, 连接两个并列成分。

我想要一杯冷饮，而不是咖啡。____________________________________________________________ 是Mr Smith，而不是他的工人们，要为这次意外负责。________________________________________ 拓展：

宁愿做而不愿做

would rather do… than do…= would do… rather than do…=prefer to do… rather than do…

我宁愿呆在家里，而不愿去逛街。____________________________________________________________ would rather+从句（虚拟语气）表示与现在或将来的愿望，

从句用过去式表示过去的愿望，

从句用过去完成式。

我宁愿下个月来。_________________________________________________________ 5. In doing so, they are using up natural resources at a fast pace. （17-L18）

at a fast pace

pace n.速度

They are using up natural resources at a fast _________. They are using up natural resources __________. The divorce rates in Shanghai, Beijing and Guangzhou rise at a fast rate. _____________________________ 6. The developing and developed countries of the world need to work together to ensure that people enjoy healthy and happy lives, without the environment around them suffering.

(L23-L25) 世界上的发展中国家和发达国家必须携手合作，确保人们能够享受健康和富庶的生活，同时又不损害其周边的环境。

develop the habit of_______________________

develop the film_______________________________ with 的复合结构: with+宾语+adj./adv./prep./doing/done/to do The murderer was brought in, with his hands _______(tie) behind his back. I like to sleep _______ ___ __________ ______.( 开着窗户）

He came in ____ __ ____ ______ ____ _____ ______. (脸上带着灿烂的笑容）

He found the house without difficulty

_____ ___ ____ _______ ____ _____. (有小孩带路）

_____ ____ ______ ___ ______ _____ (有两次考试要担心), we lead a busy life. 7. Nowhere is this truer than with genetically modified food. (L4-L5)

1）句中nowhere … truer…是比较级形式表示最高级的意义。本句意思为：转基因食品就是最好的例子。

2）本句以否定词nowhere开头，为倒装语序。如：

Nowhere could I find a person to help me at that time

检测导练 课堂自主检测

All work and no play makes Jack a dull boy. 只会用功不玩耍，聪明孩子也变傻。

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课后自主反思：

All work and no play makes Jack a dull boy. 只会用功不玩耍，聪明孩子也变傻。

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All work and no play makes Jack a dull boy. 只会用功不玩耍，聪明孩子也变傻。7

.drive away