仁爱英语九年级上册unit2topic2导学案教学内容.doc

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仁爱英语九年级上册Unit2 Topic2 导学案
Section A
学习目标：
1. 谈论森林和水资源的重要性，培养学生的环保意识。
2. 继续学习不定代词的用法。
学习重点：不定代词的用法。
学习过程：
一、自主学习
A.听说准备
1. 同学们要学会拼读和识记Section A单词。
2. 听1a录音，勾画出难读的单词或句子。注意模仿语音语调
B自学内容
1在文中找到并划出下面的短语
1.刮大风 2.许多、大量 _____
3.走在街上_______________________ 4.刚才__________________________________
5.砍伐太多的树木______________ 6.造成沙尘暴_________________________
7.结果_________________________ 8.大量富饶的土地___________________________
9.变成沙漠_______________________ 10.阻止大风刮走泥土_______________ ___
11.阻止流水冲走泥土_____________ 12.对人类有害_______________________
13.绿色长城_____________________ 14.灭绝、消失_________________________
15.形成 ________________________
二、要点讲评
1.As a result, a lot of rich land has changed into desert.
译：_______________________________________
点拨：change …into…（把…变成…）= turn… into…
练习：1)水变成蒸汽。Water has changed into steam.
2)Could you change this article into English. 译___________________
2.Trees can also stop the wind from blowing the earth away.
They can also prevent the water from washing the earth away.
译：_______________________________________
点拨：stop sb./sth. (from) doing sth. = prevent sb./sth. (from) doing sth. --- 阻止…做某事 (from可以省略)
同义词组 keep sb./sth. from doing sth. --- 阻止…做某事（from不能省略）
练习：We should stop/prevent humans from____ (destroy) the environment.
3.Cutting down trees is harmful to human beings, animals and plants.
译：________________________________
注意：cutting down trees是动名词词短语在句子中作主语，谓语用单数。
Eg.Smoking is bad for our health.
5.Although we have built “The Great Green Wall”, we still need to do something to protect the environment. 译_____________________________________________
点拨：although 是连词，有“虽然，尽管”和“不过，然而”两层意思，引导让步状语从句，
可以和though互换，although 较正式，though更为口语化，使用更普遍些。
注意：although 引导的从句不能与but, however同时连用，但常与yet, still 连用。
练习：虽然他老了，但是他仍然继续努力工作。Although he was old, he still worked hard.
常见的不定代词用法：
somebody, someone, something, somewhere一般情况下用于肯定句
anybody, anyone, anything, anywhere一般情况下用于否定句和疑问句
none, nobody, nothing, nowhere表否定含义
everybody, everyone, everything, everywhere可用于各种句式
三、达标测评
（A）用someone, something, anything, somewhere, anywhere 填空。
1. Lily, would you like ___________ to drink?
2. Cindy is very busy now. She needs _______ to help her.
3. Is there _________ wrong with your computer?
4. Jim looked for his pencil-box ____________ , but he didn’t find it.
5. I stayed at home last week. I didn’t go __________.
（B）
( )1.We must plant more trees after we _____ every year.
A. cut off them B. cut them off
C. cut down them D. cut them down
( )2.The cleaners must keep the street _____.
A. from getting dirty B. to dirty
C. to get dirty D. getting dirty
( )3.The driver was badly hurt _____ of the traffic accident.
A. at a result B. in the result C. with the result D. as a result
4.不要到处扔垃圾。
Don’t throw the rubbish _____ and _____ .
5.森林有利于防止水土流失。
Forests help to keep water _____ _____ the earth away.
6.我们应该尽一切努力保护环境。
We should do _____ _____ to protect the environment.
7.大量良田变成荒漠。
A lot of rich land has _____ into desert.

Unit 2 Topic 2 Section B

学习目标：1.学习不定代词和不定副词的用法。
2.进一步了解有关环境污染的一些情况，提高环保意识。
学习重点：不定代词和不定副词的用法。
学习过程：
一. 自主学习
1.在文中找到并划出下面的短语
3.（作为）结果,因此_____ ____ 4.一些有用的措施_____________
5.（我们中）没有人______________ 6.到处丢垃圾____________________
7.当众吐痰_____________________ 8.踩踏草坪_____________________________
9.采摘花朵____________________ 10.关爱野生动物_________________
11.多种树_________________________ 12.发出很大的噪音_____________
13.最糟糕的是 _______ 15.遵守规章制度___________________ 16.对…来说很难______________________ 17.一开始 _
18.尽他们最大努力去做某事___________________
2. 阅读1a，完成下列练习
（1）请同学们先阅读书上p121的不定代词的用法，（不定代词:凡不是用来指明代替任何特定名词的代词叫做不定代词。不定代词代替名词或形容词.在句中可用作主语,宾语，表语和定语。
不定代词包括： all , both, every, each, either, neither, more, little, few, much, many, another, other, some, any , one, no 以及some, something, anything, everything, somebody, someone, anybody, anyone, nothing , nobody, no one, none, everybody, everyone.等。
二、要点讲评
1 .It says that China has become the world’s largest producer and user of coal.
译_________________________
点拨：It says that --- 书上/报纸上…说…(后接宾语从句), that可以省略
链接：a. It’s said that--- 据说 b. It’s reported that--- 据报道
c.It’s (well) known that --- 众所周知 d.It’s believed that --- 人们相信
2. But the government is doing something useful to protect the environment.
译______________________
点拨：something useful---一些有用的事(不定代词+形容词)
练习：没什么有趣的事情 ______________ 一些重要的事情
没什么严重的事
3. None of us likes pollution. 译：___________________________________________
点拨：none --- 没有一个，没有一点儿(代词)
比较：①none 既可指人，也可指物；no one = nobody只能指人，不能指物。
②none 后常接of构成 none of …短语, 后接 a. 不可数名词（谓语用单数）
b.复数名词，代词，单数集合名词(谓语用单复数均可)
Eg. None of those buses go/goes there.
③no one = nobody后不接of 短语。作主语时，谓语动词用单数，可以与else连用，none不可以。
Eg. No one/Nobody else knows about that.
注意：no one 用来回答who 提出的问句，none 用来回答how many 或how much 提出的问句。
4. Everyone should care for wild animals and plant more trees.
译___________________________
比较：everyone和 every one
点拨：everyone =everybody---大家，每人(不定代词), 作主语时谓语用单数。
Eg. Everyone is here.
every one---每一个, 可以指人=everyone，也可以指物, 作主语时谓语用单数。
(后跟of 短语）
Eg.1) Every one/Everyone has known this.
2)Every one of you must go to school.
3)He ate every one of the apples.
care for… --- 照顾… 同义词组 look after/ take care of
5.We should do everything we can to protect the environment.
译_____________________________
点拨：everything that we can (do)----我们能做的一切
（ we can作everything的定语，省略了引导词that和谓语do）
五、达标测评
( )1.—Would you like to have _____?
—No, thank you. I’ve had enough.
A. anything more B. something more
C. more anything D. more something
( )2.—Is _____ ready for the trip? —No, we haven’t got a camera.
A. nothing B. everything C. something D. anything
（ )3.This washing machine is very easy to use. _____ can learn to use it in a very short time.
A. Somebody B. Anybody C. Nobody D. Few people
( )4.—Hi, Bob! I can’t find my story book. Have you seen it?
—Sorry, I haven’t. Why not ask Jim? Perhaps he’s seen it _____.
A. anywhere B. everywhere C. nowhere D. somewhere
( )5._____ everybody likes watching TV in my family. My parents like doing outdoor activities.
A. No B. Not C. None D. Nobody

Unit 2 Topic 2 Section C

学习目标：
3. 进一步学习各种污染对地球造成的危害和造成这些污染的原因。
4. 能根据不同的阅读目的，运用简单的阅读策略获取信息。
学习重点：能够运用简单的阅读策略获取信息。
学习过程：
一、自主学习
1在P39短文中找到并划出下面的短语
1.在地球上；究竟__________________ 2.在这个时期______________________
3.大大改变了我们的星球___________ 4.全世界________________________
5.数以百万计的树木_______________ 6.拿走，取走_______________________
7.污染空气______________________ 8.越来越多种类的动植物______________
9. 温室效应__________ 10.穿过这个洞______________________
11.直接地到达地球________________
12来自太阳的热量_________________________
二、要点讲评
1. Some things we’ve done are very good for the earth while some are bad.
译：_______________________________
点拨：①Some things we’ve done --- 我们已经做过的事情,在句子中作主语，
we’ve down----前省略了that，作定语从句，修饰some things
②while 并列连词，“而，却”，表示对比关系
He is a worker, while I am a teacher.
2.The heat from the sun can’t escape so the temperature is rising.
译：_______________________________________
点拨：rise --- 升起，上升 (不及物动词) raise ①举起，提起，抬起 ； ② 筹集 (及物动词)
Eg. The sun rises in the east
三．达标测评
用something, anything, others, nobody, everyone, anybody, everywhere, none, other.填空
(1)________ of us knows how to stop the bad behavior.
(2) I knocked on the door but ___________ answered.
(3) Some of these books are better than__________.
(4) She was driving the car with one hand and wiping the window with the _______.
(5) They are beautiful but I am looking for ___________ useful.
(6) Is there ___________ you can do to help her?
(7) There’re 5 000 people living here and almost _________has his/her own car.
(8) He’s cleverer than ____________ I know.
(9) I’ve looked __________ but I can’t find it.

Unit 2 Topic 2 Section D

学习目标：1.总结不定代词和不定副词的用法。
2.认识水的重要性，学习节约水的方法。
学习重点：培养学生的综合语言运用能力。
学习过程：
一、自主学习
在文中找到并划出下面的短语
1.最好的答案__________________ 2.大量的水_____________
3.将盐从海水中提炼出来___________
4.缺水的问题______________________ 5.严重缺水___________________ 6.节约水_______________ 7.重复用水的方法__________________________ 8.一天又一天________________
9.地球几乎有3/4被水覆盖________________
10.缺乏饮用水 _________
11. 淡水___________________12.地球上大约97%的水_______________
二、要点讲评
The sea seems to have the best answer.
海洋似乎有最好的答案。
Seem v. 似乎是，其近义词为appear, 常见结构有：
①Seem+(to be)+表语。
He seems (to be) quite happy. 他似乎很快乐。
②It seems that + 从句。
It seems that he is quite happy. 他似乎很快乐。I seem to have seen him somewhere before.= It seems that I have seen him somewhere before. 我好像曾在什么地方见过他。
③Seem + to do sth.
He seemed to enjoy himself. 他好像很愉快。
三、达标测评
1从方框中选择正确的词并用其适当形式填空：
everybody, something, anybody, somebody
1.__________shouldn’t smoke in the public place.
2._________should learn to protect the environment.
3. I can’t find my book, maybe __________ has taken it away.
4. _____________must be done to stop polluting the earth.
2选择填空：
( )1. The government has done ______ for the protection of environment.
A. useful something B. useful anything
C. something useful D. anything useful
( )2.----You look so happy.
----They say I’m beautiful._____ has told me like that.
A. Somebody B. Anybody C. Everybody D. Nobody
( )3.----Hi, Bob! I can’t find my history book. Have you seen it _____?
----Sorry, I haven’t. Why don’t you ask Jim? Perhaps he has seen it.
A. somewhere B. everywhere C. nowhere D. anywhere
( )4. Nothing ______ difficult if you work hard.
A. am B. is C. are D. be
3用all, none, both, neither及either填空。
1. ________ of my parents are office workers.
2. The old man has two sons. But _______ of them lives with him. So he is very lonely.
3._________ of my classmates are interested in English.
4. It’s a long journey, but ________ of four felt boring.
5. ----- Would you like tea or coffee? ------________ is OK.
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