人教版高二英语选修6Unit4Globalwarming全单元教案

Unit 4 Global warming

Ⅰ. 单元教学目标

技能目标Skill Goals

▲Talk about global warming, pollution and the importance of protecting the earth

▲Practise expressing agreement, disagreement, blame and complaint

▲How to use“it”for emphasis in a sentence

▲Write an essay on environmental problems

Ⅱ. 目标语言功能句式

Expressing agreement, disagreement, blame and complaint

Yes, I agree with you.Yes, I think so.I believe that you’ve got it right.I don’t think so.

I don’t think that’s right.I’m afraid you are wrong.I’m sorry to bring this up, but ...

I’m sorry to have to say this, but ...They shouldn’t have done it.They are to blame.

Why don’t you do something about it?Perhaps they should / ought to do ...

词汇

compare, graph, phenomenon, fuel, quantity, per, data, catastrophe, climate, consequence, state, range, glance, widespread, decrease, steady, steadily, average, existence, outer, electrical, motor, can (n.), microwave, nuclear, disagreement, title compare to, come about, quantities of, result in, build up, keep on, on the whole, make a difference, put up with, so long as, and so on

语法

“It” used for emphasis

It is human activity that has caused this global warming.

Ⅲ. 教材分析与教材重组

1. 教材分析

本单元以Global warming 为主线，旨在通过单元教学使学生经过思考、学习，认识到全球变暖的起因和它所带来的种种后果。同时鼓励学生进一步阐述地球所面临的其它严重问题，激发学生的环保意识。引导学生运用所学语言、句式表达自己对这些现象的看法，培养他们为自己的观点辩论的能力，并能运用所学知识写一篇有关环境问题的论文。

2. 课型设计与课时分配

1st Period Speaking and Listening 2nd Period Reading

3rd Period Extensive Reading 4th Period Grammer

5th Period Drills 6th Period Writing

Ⅳ. 分课时教案

The First Period Warming up,Speaking and Listening

Teaching goals 教学目标

1. Target language 目标语言

a. 重点词汇和短语energy, light (v.), heat (v.), renewable, non-renewable, fuel, blame, run out

b. 交际用语Expressing agreement and disagreement

Yes, I agree with you.Yes, I think so.I believe that you’ve got it right.I don’t think so.

I don’t think that’s right.I’m afraid you are wrong.

2. Ability goals 能力目标

Enable the students to talk about different sources of energy and express their own ideas.

3. Learning ability goals 学能目标

Help the students learn how to give their ideas about the use of energy.

Teaching important points 教学重点

Enable the students to express agreement and disagreement.

Teaching difficult points 教学难点

Enable the students to learn how to express agreement and disagreement.

Teaching methods 教学方法

Brainstorming, listening and group work.

Teaching aids 教具准备

A tape recorder and a computer.

Teaching procedures & ways 教学过程与方式

Step ⅠWarming up

1．Talk about the pictures.What are they ?

3. fossil fuel: Ancient animal and plant material below the surface of the earth with a high carbon content,such as coal,oil,anf natural gas,which can be burnt to produce energy.Also known as non-renewable energy because once they are used they have gone forever;they cannot be renewed.

4. Lists:things that use energy:lights,heating,television,cassette,player,video recorder,computer,fridge,stove,washing

machine,hairhryer,etc.

Other sources of energy: plant waster,hot springs,the sea(tidy energy)

Step ⅡListening and Discussing

T: Now please turn to page 31. Let’s do listening. Before you listen to the tape, please read fast the statements in Exercise 1 to find out the listening points. Pay much attention to the key points while listening.

Play the tape for the first time. Help the students get a general understanding about the dialogue. The students listen and try to finish Exercise 1. Play the tape again, train the students’ ability to spot specific information and understand the implication in the dialogue. The students listen and finish Exercise 2.

Several minutes later.

Step ⅢHomework

1. Review the new words and expressions you learned in this class.

2. Preview Reading.

The Second Period Reading

Teaching goals 教学目标

1. Target language 目标语言

a. 重点词汇和短语

compare, phenomenon, graph, fuel, trap, data, climate, catastrophe, consequence, range, per, glance, compare to, come about, fierce debate, result in, build up

b. 重点句式

There is no doubt that the earth is becoming warmer. P26

Without the‘greenhouse effect’, the earth would be about thirty-three degrees Celsius cooler than it is. P26

They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide. P26

2. Ability goals 能力目标

Enable the students to talk about the causes and effects of global warming.

3. Learning ability goals 学能目标

Help the students learn how to talk about the causes and effects of global warming and express ideas about what people should do about it.

Teaching important points教学重点

Help the students learn how to debate over the topic “We should do nothing about global warming.”

Teaching difficult points 教学难点

Enable the students to learn the writing skills of the text and get a better understanding of articles of this kind. Teaching methods 教学方法

Listening, reading and group work.

Teaching aids 教具准备

A recorder and a computer.

Teaching procedures & ways 教学过程与方式

Step ⅠRevision

Check the homework.

Review the useful expressions about agreement and disagreement.

Step ⅡPre-reading

Step ⅢWhile-reading

Get the students to read the passage fast and meanwhile help the students form a good habit of reading.

1.Fast reading: (1): Who wrote the article? What is the name of the magazine?

(2): What are the names of three scientists mentioned?

2: Careful reading: How many parts can this text be divided into?

T: Any different ideas? OK. Now let’s finish the form on the screen.

Let the students read the passage again to find out the answers to the questions in Exercises 1 and 2.

T: Now let’s listen to the tape. While listening, pay more attention to specific information. Then read the whole

passage by yourselves. Try to find out the answers to questions in Exercises 1 and 2. You may work in groups.

Step ⅤKey points.

https://www.wendangku.net/doc/df16856454.html,e about 发生

1) How did this come about? 这是怎么发生的?

2) I don't know how it came about but I've got a dent in the rear of my car.

我不知道是怎么回事，但我的汽车后部有了一个凹痕。

come along 出现, 发生；come out 出来, 长出；come to 达到；come to oneself 苏醒, 醒悟；

come up with 赶上, 提出

【链接高考】It's already 10 o'clock. I wonder how it ____________ that she was two hours late on such a short trip.

A. came over

B. came out

C. came about

D. came up

答案与分析：C。考查动词come构成的短语。A为“过去”；B为“出来”；D为“出现，到来”；C为“发生”。

2.random名词n. (现只用于at random)任意行动;随机过程[U]

He took a book at random. 他随手取了一本书。

形容词 a. 胡乱的;随便的,任意的

He was not listening and made a random answer to the teacher's question.

他不在听讲,对教师的问题瞎答一通。

(建筑材料等)大小不一的,规格不一的

【统】随机的random sampling 随机取样

【物】无规则的

3 . phenomenon n. 現象;奇迹，罕见的人才或事物phenomena(pl.)

1) Rain and snow are phenomena of the weather. 雨雪是天气现象。

2) Beethoven was a phenomenon among musicians.贝多芬是音乐家中的天才。

3) the phenomena of nature自然现象

4) a social phenomenon社会现象

1) 月蚀是一种罕见的现象。

2) 你能向我解释下这一奇怪的自然现象吗？

3) 尽管中途退出了2008年奥运会，刘翔依然是跨栏项目的罕见的人才。

Keys: 1) An eclipse of the moon is a rare phenomenon. 2) Could you explain to me the strange natural phenomenon?

3) Though quitting in the 2008 Beijing Olympic Games, Liu Xiang is still a phenomenon in hurdle racing.

4.subscribe to 同意;支持I don't subscribe to such views. 我不同意这样的观点。

对...捐款Many people subscribed liberally to the relief fund. 许多人为救灾基金慷慨解囊。

5. quantities of大量的

1) Before they enter an entrance examination, they have to do quantities of exercise.

在参加入学考试前，他们得做大量的练习。

2) He drinks large quantities of water every day.他每天都喝大量的水。

A (large) quantity of /quantities of+名词（可数/不可数）

A mount of/ amounts of+不可数名词

注意：以上短语修饰名词充当主语时，由quantity/amount的单复数决定谓语的单复数。

[练习] 汉译英

1) 桌上摆满大量的食物。2) 在这个地区仅提供少量的牛奶

Keys: 1) Large quantities of food were on the table. 2) Only a small quantity of milk is offered in this area.

6.tend vt. 趋向, 往往是；照管, 护理

[重点用法] tendency n. 趋向，倾向（常与to/towards连用）

1) Most of boys tend to enjoy playing basketball.大部分男孩都喜欢打篮球。

2) The older women tend to believe in strangers easily.老人更容易轻信陌生人。

3) A team of medical workers were sent to tend the survivors of wenchuan Earthquake.

一组医护人员被派去照料汶川地震的幸存者。

4) Nowadays there is a growing tendency for people to shop on internet.如今人们网上购物有增加的趋势

1) 处于压力下的人更容易发挥自己的全部潜能。

2) 当老板不在时请他照看一个商店

Keys: 1)People under stress tend to develop their full range of potential. 2) He was required to tend a store in the owner's absence.

7. go up 上升Prices have gone up again. 物价又上涨了。

被建造起来New factories are going up everywhere. 到处在兴建新工厂。

被焚毁The whole building went up in flames.

8.result in 导致

1) Stress and tiredness often result in a lack of concentration. 紧张和疲劳常使人精神不集中。

2) Acting before thinking always results in failure. 做事不先考虑总会导致失败.

3) The accident resulted in the death of two people. 这场意外事故造成两人死亡。

4) Excessive dosage of this drug can result in injury to the liver. 这种药使用过量会损害肝脏。

lead to作“导致”result from 由...产生；as result 因此; 结果；as a result of作为...的结果; 由于... without result 无效地, 毫无结果地；

[练习]根据汉语提示，补全英语句子。（每空一词）

1) 结果他们拯救了这座森林里90％的树木。_____ _____ _____, they saved 90% of the trees in the forest.

2) 我一直在想法打开箱子，但到现在这没有没打开。I've been trying to open the box, but _____ _____ so far.

3) 此项工程的搁置已导致了6个人被解雇。The shelving of the project have_____ _____ six redundancy.

4) 她勤奋苦读，终于进了中山大学。_____ _____ _____ of her hard work was a place at Zhongshan University. Keys: 1) As a result 2) without result 3) resulted in 4)As a result

9 .trend 名词n. [C](海岸、河流等的)走向The mountains have a western trend. 群山向西延伸。

趋势,倾向;时尚The current trend is towards informal clothing. 目前的趋势是穿着比较随便。

不及物动词vi. [(+towards)]伸向;折向,转向The road trends to the north. 这条路是向北的。

趋向,倾向Share prices have been trending down. 股票价格一直趋向下降。

10. be opposed to 反对

1) All the states in UN were opposed to the war launched by Israel.

所有的联合国成员国都反对以色列发起的这场战争。

2) Many residents in Guangzhou are opposed to the plan of tearing down the old buildings.

广州许多居民反对拆毁旧房子的计划。

表示反对：disagree with; object to; be against表示赞成：agree with; be in favour of; be for

[练习] 汉译英1) 热爱和平的人们都反对核反应。2) 我们赞成她升为总裁

Keys: 1)People loving peace are opposed to nuclear weapon. 2)We are in favor of her promotion to president.

11. consequence 名词n. 逻辑上的必然结果,推论,结果,后果[C][(+of)]

I'm quite willing to accept the consequences. 我完全愿意承担后果。

重大,重要(性)[U][(+to)] He is a man of great consequence. 他是一个很重要的人物。

自大,神气活现[U]The young man rambled on with an air of great consequence.

小伙子带着妄自尊大的神态没完没了地东拉西扯。

consequent因...的结果而起的,随之发生的[(+on/upon/to)]

The rise in price was consequent on the failure of the crops. 物价上涨是由年成不好引起的。

12. state vt.声明, 陈述n.状况，情况；国家

state+名词/that从句/wh-从句statement n. 声明, 陈述

1) She is in a terrible state today.她今天心情不好。

2) the head of state国家首脑

3) He has publicly stated his support for the policy. 他已公开声明他会支持那项政策。

[练习] 汉译英1) 合同清楚地叙述了那项工作应在何时完成。2) 我听见那位官员说不接纳儿童。Keys: 1) The contract stated when the work should be finished. 2) I heard the official state that they would not accept children.

13. range n.行列, 范围；vt. 排列, 归类于

beyond the range of…超越……的范围out of one’s range某人达不到的

range oneself站在……的方面range from… to … / between… and …从……到……不等

[练习] 根据汉语提示，补全英语句子。

1) The shop keeps____________________(商品品种多) .

2)_____________(年龄范围)i s from six to twelve years old.

3)The temperature__________________________(在15度到35度之间).

4)We should _______________(列身于; 站在……的方面)on the side of law and order.

Keys: 1)a wide range of goods 2) The age range 3)ranges from 15 to 35 degrees 4)range ourselves

14 keep on继续 keep on doing He kept on talking. 他讲个不停。

继续雇用He kept Bob on as a manager. 他继续留用鲍勃当经理。

继续拥有She'll keep the apartment on through the summer. 整个夏天她将继续租用那间公寓.

Step ⅥHomework

1. Read the passage again and review the new words and expressions.

2. Prepare the debate in groups.

The Third Period Extensive Reading

Teaching goals 教学目标

1. Target language 目标语言

a. 重点词汇和短语

pollution, electrical, motor, can (n.), microwave, disagreement, title, make a difference, put up with, leave an electrical appliance on, so long as, and so on

b. 重点句式P30

Together, individuals can make a difference.

It takes a lot of energy to make things from new materials…

Remember — your contribution counts.

2. Ability goals 能力目标

Get the students to realize what individuals can do about global warming.

3. Learning ability goals 学能目标Learn what to do in daily life to reduce the carbon dioxide content in the air. Teaching important points 教学重点

Enable the students to know what to do in daily life to reduce the carbon dioxide content in the air.

Teaching difficult points 教学难点Enable the students to learn how to make a poster.

Teaching methods 教学方法Listening, skimming and group work.

Teaching aids 教具准备 A recorder and a computer.

Teaching procedures & ways 教学过程与方式

StepⅠRevision

Check the students’ homework to see whether they have mastered what they learnt last class.

Check their group work — debate.

Step ⅡLead-in, Listening and Reading

Get the students to read the two letters and then fill in the table on page 30.

Skim the letters and find who the writers are and what their purpose of writing the letters is.

Scan the letter and list Earth Care’s suggestions and then in groups, discuss whether you think you can carry out each suggestion. Give reasons for your answers.

Step ⅢLanguage points

1.on the whole总的看来，大体上，基本上;总体上；从整体来看；基本上 ,总之,总的来说

On the whole, I like it.总的看来,我喜欢这个。

On the whole, I'm in favour of the proposal. 总的说来，我赞成这个提议。

The two buildings are similar on the whole. 从整体来看，这两幢楼是相似的。

2. widespread 形容词 a.分布(或散布)广的 , 普遍的;广泛的

There is a widespread belief that the company is in financial trouble.很多人认为该公司财务陷入困境

3. average adj.平均的;一般的，普通的，中等的n.平均，平均数

1) His average result of this three subjects is 96. 他三科的平均成绩是96。

2) The average of 4, 8, and 60 is 24。4、8和60的平均数是24。

above the average 高于平均水平below the average在一般水平以下

on the average平均, 按平均数计算; 一般地说

1) 他在我们班处于中等位置。2）这一地区农民的收入高于全省的平均水平。

Keys: 1) He is an average student in our class. 2) The income of the farmers in this area is above the average of the province.

4. existence n.生存

1) Anything in existence is reasonable.所有的存在都是合理的。

2) In the middle age, no one doubted about the existence of God中世纪时没人怀疑上帝的存在

in existence存在exist v.存在

1) 富裕和贫穷同时存在于这个世界里。2）人们认为他是这个世界上最好心的人。

Keys: 1) Wealth and poverty exist at the same time in the world. 2) He is believed to be the kindest person in existence.

5. on behalf of 代表……一方

1) My husband could not be here tonight, but l want to thank you on his behalf.我丈夫今晚因故不能前来, 我代表他向你们致谢。

2) We attended the global conference on behalf of our country.

1) 很荣幸在这儿代表我的学校演出。2) 那个英雄的妻子代替她死去的丈夫接受了这枚勋章。Keys: 1) I’m greatly honored to put on performance here on behalf of my school. 2) The hero’s wife accepted the medal on behalf of her dead husband.

6.advocate1名词n. [C]提倡者;拥护者[(+of)] 辩护者;律师

They are advocates of free trade.他们是自由贸易的倡导者。

及物动词vt. 拥护;提倡;主张[+v-ing]

7. put up with 忍受；容忍

1) I'm not going to put up with this! 我再也受不了啦！

2) We have to put up with her bad temper. 我们只得忍受她的坏脾气。

3) Noise is coming to the point where we can't put up with it. 噪音快到我们无法忍受的地步。

put aside 节省；put away储存；put down写下put off 延期；put out 熄灭；put up 举起；

【链接高模】Tom would like to find somewhere to work because he can not _____ the boss.

A. come up with

B. catch up with

C. keep up with

D. put up with

答案与分析：D。考查词组辨析。根据所给语境可知他无法“忍受”这个老板。A项表示“想出”

1) 在这种情况下，我们不得不忍受不便之处. 2) 不允许拖延付清帐单

Keys: 1) In that situation, we had to put up with the inconvenience. 2) We are not allowed to put off paying the bills.

8. so long as 只要

1) As long as you don't betray me, I'll do whatever you ask me to (do). 只要你不出卖我，要我做什么我都愿意。

2) As long as live, I will help you. 只要我活着，我都会帮助你。

3) As long as you drive carefully, you will be very safe. 如果你开车小心，你就会很安全。

4) I don't mind as long as it doesn't rain. 只要不下雨就行了。

on condition that …在……的条件下

1）如果我挣到足够的钱，我就出国。2）只要你能给我们合适的原因，我们就会帮助你。

Keys: 1)I will go abroad on condition that I earn enough money. 2) We will help you on condition that/as long as you can offer us the proper reason.

9.refresh v.(使)精神振作, (使)精力恢复, 更新

1) When tired, you can refresh yourself with a cup of tea困时喝杯茶提神

2) Refresh storage battery in case of being out of energy halfway.给蓄电池充电以免半路没电。

3) The host refreshed our teacups. 主人又为我们斟茶。

1) 长时间工作后，一杯冰水使他精神振作。2) 有时一件小东西也会唤起人们的记忆

Keys: 1) A cup of icy water refreshed him after a long time’s work. 2) Sometimes, a small thing all can refresh your memory

Step ⅣSentence structure

1.Some byproducts of this process are called “greenhouse”gases, the most important one of which is carbon dioxide. 这个升温过程的一些副产品就叫“温室”气体,其中最重要的就是二氧化碳.

[解释]one/all/every/each/part… of which(whom)引导的定语从句，表示“他（它）们中的一个/所有/每/部分……”[典例]

1) I have three good friends, all of whom have emigrated to U.S.A.我有三个好朋友，他们都移民美国了。

2) Here are many kitties, two of which are yellow.这有许多小猫，其中两只是黄色的。

[练习] 汉译英

我有三个叔叔,其中最年轻的叔叔三年前去了澳洲.

Key: I have three uncles, the youngest one of whom went to Australia three years ago.

2课文大意概括（旨在训练用30个单词概括大意的能力）

阅读课文，试着用30来个单词概括课文大意或翻译下面短文。

通过文章我们得知，地球的温度正在上升。它也给我们展示不同的想法和根据数据图表分析全球气候变暖的原因，地球的温度和增加可能造成的影响。

From the passage we know that ______________________________________________________

_______________________________________________________________________________

答案：From the passage we know that the temperature of the earth is rising. It also shows us different ideas about global warming and analyzes the causes of the earth’s increased temperature and the possible effects according to the data from the graphs.

3课文佳句背诵与仿写（旨在培养对难句的理解和运用能力）

1.【原句】There is no doubt that the earth is becoming warmer and that it is human activity that has caused this global warming rather than a random but natural phenomenon.毫无疑问，地球是在变暖，而地球变暖正是人类活动导致而成，并非是一种无规律的自然现象。

[模仿要点] 句子结构：there is no doubt that … and that…句式+ it is …that 强调句

【模仿1】毫无疑问，圣诞节的庆祝活动是一个很好的学习方式的西方文化;而且庆祝圣诞节，让我们的生活更有趣。

_______________________________________________________________________________

答案：There is no doubt that the celebration of Christmas is a good way of learning the western culture and that it is the celebration of Christmas that makes our life more interesting.

【模仿2】毫无疑问，太多的电脑游戏会对学生的健康有不良影响，而且玩电脑太多花费他们太多的时间导致花在学习上的时间太少。

_______________________________________________________________________________

答案：There is no doubt that too many computer games can have a bad effect on students’ health and that it is playing too much computer that costs them too much time resulting in too little time on study.

2．【原句】Some byproducts of this process are called “greenhouse” gases, the most important one of which is carbon dioxide.这个升温过程的一些副产品就叫做“温室”气体，其中最重要的是二氧化碳。

[模仿要点] 句子结构：主句,+ the most + adj. of + which 引导的定语从句

【模仿1】一些可能的措施应采取以防止我们的地球越来越热，而其中最重要的措施之一是限制私家车的使用。

_______________________________________________________________________________

答案：Some possible actions should be taken to keep our earth from getting warm, the most important one of which is to limits the use of private cars.

【模仿2】一些良好的学习方法应采取以改善你的学习，而其中最有效的方法之一是与你的同学讨论。_______________________________________________________________________________

答案：Some good learning methods should be adopted to improve your study, the most effective one of which is to discuss with your classmates.

3. 【原句】They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide.他们还赞同正是由于越来越多燃烧化石燃料导致了二氧化碳的增加。

[模仿要点] 句子结构：宾语从句中的强调句

【模仿1】文章表明是人类的活动对村庄造成的环境破坏。

_______________________________________________________________________________

答案：The passage indicates that it is human’s activities that has resulted in the environmental destruction to the village.

【模仿2】我们都同意的是年轻一代应该负起振兴国家的责任。

_______________________________________________________________________________

答案：We all agree that it is the younger generation that should take up the responsibility to build up the country. Step ⅤHomework

Finish the poster.

The Fourth Period Grammer

Teaching goals 教学目标

1. Target language 目标语言

Enable the students to master the usage of the form it is/was... that.....

Teaching important points 教学重点

The structure of “It is ... that ...”.

Teaching difficult points 教学难点

Teach the students how to master the use of “it” for emphasis.

Teaching methods 教学方法

Explanation and practice.

Teaching aids 教具准备

A computer.

Teaching procedures & ways 教学过程与方式

Step ⅠRevision

A sample poster:

What Can We Do about Carbon Dioxide?

Carbon dioxide is one of the main causes of global warming which will bring the earth catastrophe. Here are a few ways that individuals can follow to reduce its content in the air.

●Turn the electrical appliances off if you are not using them.

●Put on more clothes if you are cold instead of turning up the heat.

●Walk or ride a bike instead of using motor vehicles if you can.

●Recycle cans, bottles, plastics and newspapers; buy things made from recycled materials.

●Buy products that are made to save energy such as fridges and microwaves.

●Plant trees in your garden or school yard.

Step ⅡDiscovering words and expressions

T: Now please open your books and turn to page 28. Let’s do some exercises.

Step ⅢDiscovering useful structures

常考的强调句结构是it 引导的句子。

一、It is (was) 被强调部分+ that (who) + 句子其他部分。此结构强调的成分仅限于主语，宾语和状语。

It is from the sun that we get light and heat.

It was not until I had read your letter that I understood the true state of affairs.

Karl bought Marva a bicycle on her birthday．卡尔在玛瓦生日那天给她买了一辆自行车。

It was Karl that／who bought Marva a bicycle on her birthday．（强调主语）

It was Marva for whom Karl bought a bicycle on her birthday．（强调间接宾语）

It was a bicycle that Karl bought Marva on her birthday．（强调直接宾语）

注意区别强调句中的that／who分句与定语从句：

It was the student that／who asked the silly question．是一个学生问了这么一个愚蠢的问题。（分裂句）

He was the student who asked the silly question．他就是问了这么一个愚蠢问题的学生。（划线部分是定语从句）二、not ... until ... 的强调形式: It is not until + 被强调部分+ that ... “直到…才…”，主要用于强调时间状语的强调句型。

We did not begin studying French until we entered university．我们进了大学才开始学法语。要强调until we entered university，就成了：

It was not until we entered university that we began studying French．

______ the 18th century that man realized that the whole of the brain was involved in the workings of the mind．

A. During

B. In

C. It was until

D. It was not until

D对。直到十八世纪，人们才意识到：心理活动与整个大脑有关。

三、强调句的疑问句句型

1.强调句的一般疑问句句型:

Is / Was +it +所强调的部分+that / who/ whom +其它?

2.强调句的特殊疑问句句型:

特殊疑问词+ is/was it that / who/ whom+其它?

Why is it that you hate winter？你究竟为什么不喜欢冬天？

How was it that you missed such a wonderful lecture？你怎么会错过这么精彩的报告？

When was it that they went abroad？他们什么时候出国的？

四、判断强调句的方法

判断是否是强调句是，可把It is / was …that 去掉，剩余部分在不增减任何词的情况下还是一个完整的句子，那么这种句子是强调句。

It was in the street that I met her father.

→In the street I met her father.

It was because she was ill that they didn’t ask her to do the job.

→Because she was ill, they didn’t ask her to do the job.

Exercises

一、根据划线部分把下列句子变成强调句。

1. Peter lent us the money.

2. They want money.

3. All this happened on Monday.

4. I didn’t hear form her until last summer.

5.Why does everyone think I am narrow-minded？

Keys：

1. It was Peter who lent us the money.

2. It is money that they want.

3. It was on Monday that all this happened.

4. It was not until last summer that I heard from her.

5.Why is it that everyone thinks I am narrow-minded？

二、Multiple choices

1. It was in this village ___ I was brought up.

A. where

B. that

C. on which

D. which

2. Is it the factory______ this type of cars are produced?

A. which

B. where

C. that

D. /

3. It was _____ the old worker came that we _____ the experiment.

A. until; didn’t begin

B. not until; began

C. until began

D. not until; didn’t begin

4. It was in the lab ___was taken charge of by Mr. Harris ____they did the experiment.

A. which，that

B. that，which

C. that，whom

D. which，where

5. It was ___he did ___frightened me.

A. what，that

B. that，that

C. what，what

D. that，what

6. _____ on Monday night that all this happened?

A. Is it

B.? It is

C. Was it

D. It was

Keys：BBBAAC

T: Next let’s turn back to page 29. We’ll learn a useful structure. Now compare these two sentences below.

Step ⅥHomework

Make four sentences with “it” for emphasis.

The Fifth Period Drills

Teaching goals 教学目标

1. Target language 目标语言

a. 重点词汇和短语

environmental problem, plastic bags, reuse, litter, rubbish items, Clean Up Day, bring up

b. 重点句式P63

I’m sorry to bring this up, but ...I’m sorry to have to say this, but ...

They shouldn’t have done it.They are to blame.

Why don’t you do something about it?Perhaps they should / ought to do ...

2. Ability goals 能力目标

Enable the students to talk about some environmental problems and Clean Up Day.

3. Learning ability goals 学能目标

Help the students learn how to express their own ideas about some environmental problems.

Teaching important points 教学重点

Enable the students to talk about some environmental problems.

Teaching difficult points 教学难点

Enable the students to talk about some environmental problems.

Teaching methods 教学方法

Listening, speaking and group work.

Teaching aids 教具准备

A recorder, a computer and a projector.

Teaching procedures & ways 教学过程与方式

Step ⅠRevision

Check the homework to see whether the students have mastered the use of “it” for emphasis.

Step ⅡListening

Get the students to prepare for the listening by asking some questions.

T: OK. We’ll listen to a dialogue about it. Please open your workbooks and turn to page 62. Please read the instructions and questions fast to find out the listening points first. Pay much attention to the key points while listening.

Play the tape for the first time. Help the students get a general understanding about the dialogue. The students listen and try to answer questions in Exercise 2. Play the tape again, train the students’ability to pick out specific information. The students listen and fill in the information sheet in Exercise 3. Play the tape for a third time and let the students check their answers by themselves.

Step ⅢTalking

Step ⅣListening task and Speaking task

T: Though there are many serious environmental problems, fortunately most countries realize these problems and they are taking steps to save the earth. Clean Up Australia Day is a good example. Next we’ll listen to Tom’s talk about it. Play the tape for the first time. Help the students get a general understanding about the talk. Play the tape again, let the students pay attention to the dates Tom mentioned and what happened on these dates. While listening, ask the students to make some notes in the table on page 65. Play the tape for the third time, let them have a check.

T: OK, let’s check the answers to Exercise 1.

Explain some difficult points if necessary.

Ask the students to read the top 9 rubbish litter Tom mentioned in his talk and let them talk about litter at their school or communities.

Step ⅤHomework

Prepare a talk about Clean Up China Day.

The Sixth Period Writing

Teaching goals 教学目标

1. Target language 目标语言

a. 重点词汇和短语

litter, butt, pollute, endanger, solution, add up to, break down

b. 重点句式P66

Apart from the fact that butts spoil the beauty of the environment, they contain some very toxic chemicals.

It is up to people not to let plastic bags become litter.

The earth would be a better place because it would be less polluted.

2. Ability goals 能力目标

Enable the students to write an essay on one of the environmental problems.

3. Learning ability goals 学能目标

Enable the students to learn how to write an essay.

Teaching important points 教学重点

The structure of an essay.

Teaching difficult points 教学难点

Enable the students to learn how to support their points of view.

Teaching methods 教学方法

Task-based method.

Teaching aids 教具准备

A computer and a projector.

Teaching procedures & ways 教学过程与方式

Step ⅠRevision and Lead-in

Check the homework. Ask two groups to present their talk to the class.

Step ⅡReading

T: Open your workbooks and turn to page 66. Read Tom’s essay about litter. Make a summary for each paragraph, and then fill in the table on page 67. You don’t have to write down complete sentences, notes will be OK. Pay attention to the writing skills while reading.

Step ⅢPre-writing

T: After reading this essay, I’d like you to write an essay on your own. I will give you some tips on how to write an essay.

Show the tips on the screen.

Writing tips:

Step 1: Write out the thesis statement.

(point of view)

Step 2: Write out the topic sentence of the first body paragraph.

Step 3: Give the supporting points and details about the first subtopic.

Step 4: Write out the topic sentence of the second body paragraph.

Step 5: Give the supporting points and details about the second subtopic.

(more body paragraphs ... )

The last step: State again the thesis statement.

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