人教版必修一Unit4NaturalDisastersPeriodthree教学设计

⼈教版必修⼀Unit4NaturalDisastersPeriodthree教学设计Unit 4 Natural Disasters
Period three
学习⽬标
1.Master the usage of such important words and expressions as ruin,shock,trap,bury,effort,as if,etc.;learn to express yourself by using them.
2.Learn the method of constructing knowledge trees through self-study &cooperative exploration.
3.Enjoy the fun of expressing yourself in English and participate in class with passion.
课堂探究
1.【教材原句】For several days,the water in the village wells rose and fell,rose and fell.
⼀连⼏天,村⾥的井⽔升升降降,起起伏伏。

【单词】rise vi.升起过去式过去分词
◎观察思考
The sun rises in the east.
太阳从东边升。

He raised his hand to answer the question.
他举⼿要回答问题。

◎归纳总结
rise与 raise:
rise vi.上升⽆被动,也可指价格上涨,⽔平⾯上升。

raise vt.举起,抚养,筹集
区分两者的关键是看有没有宾语,有宾语⽤。

即学活⽤
选词填空(rise,raise)
(1)Price every day in this country.
(2)She her voice so that she could be heard.
(3)Money will be to help the poor children.
2.【教材原句】Chickens and even pigs were too nervous to eat,and dogs refused to go inside buildings.鸡甚⾄猪都紧张得不能吃东西,狗也拒绝进⼊建筑物内。

【句型】too...to...
◎观察思考
We had intended to take a two-day trip,but we were too busy to afford it.
我们本打算去旅游两天,但是太忙了,抽不出时间。

He is too young to join the army.
他年龄太⼩,不能参军。

在too...to...句型中,too的后⾯接,to 的后⾯接。

◎联系拓展
(1)too后⾯接happy,ready,easy,glad,willing,surprised,eager等表⽰情感态度的词时,too相当于very,意为“⾮常”。

为加强语⽓,too 前⾯可以加上“but,all,just,only,simply”等词修饰。

例如:I m (just) too glad to help you.我⾮常乐意帮助你。

(2)与表⽰否定意义的词如never,not,can t等连⽤时,构成双重否定,表⽰肯定意义。

例如:You can t be too careful to cross the road.过马路时,你越⼩⼼越好。

即学活⽤
翻译句⼦。

(1)这房⼦太⼩了,容纳不了这么多⼈。

(2)知道这个真相,我太震惊了。

3.【教材原句】It seemed as if the world were coming to an end!
仿佛世界末⽇即将来临!
【句型】It seems as if...
【词块】come to an end
◎观察思考
Hurry up!It looks as if the train is going to move.
快点!看起来⽕车要开了。

They completely ignore these facts as if they never existed.
他们完全忽略了这些事实,就仿佛它们不存在似的。

It was John who broke the window.Why are you talking to me as if I had done it?
打破窗户的是约翰。

为什么你说得好像是我打破的似的?
He opens his mouth as if he would say something.
他张开嘴好像要说些什么。

◎归纳总结
(1)as if (= as though)“仿佛;好像”,可⽤来引导表语从句。

(2)as if还可引导状语从句。

当说话⼈认为从句所陈述的是不真实的或不可能发⽣(存在)的情况时,从句谓语常⽤虚拟语⽓。

与现在事
从句谓语动词⽤(be 动词⽤)
实相反
与过去事
从句谓语动词⽤(had done)
实相反
与将来事
从句谓语动词⽤would/could/might do
实相反
与end有关的短语:
in the end最后
at the end of在……尽头
put an end to使……终⽌
ended up with...以……告终
即学活⽤
(1)He treats me as if I (be) his own daughter.
(2)They talked as if/though they (be) friends for years.
(3)It seems (噪⾳似乎是从楼下传来的).
4.【教材原句】Eleven kilometres directly below the city,one of the most deadly earthquakes of the 20th century had begun,a quake that even caused damage more than 150 kilometres away in Beijing.
在城市正下⽅的11千⽶处,20世纪伤亡最严重之⼀的⼀场地震爆发了,远在150多千⽶以外的北京都遭受了这场地震的破坏。

【句型】...a quake that...中that引导,指代先⾏词,在从句中作。

【词块】one of the most deadly earthquakes
【单词】damage n.
◎观察思考
China is one of the largest countries in the world.
中国是世界上最⼤的国家之⼀。

Lion King is one of the most popular cartoons around the world.
《狮⼦王》是全球最受欢迎的卡通⽚之⼀。

◎归纳总结
“one of +形容词最⾼级+名词复数”表⽰“”。

即学活⽤
戴⼝罩是预防感染的最有效的⽅法之⼀。

5.【教材原句】In less than one minute,a large city lay in ruins.
在不到⼀分钟的时间⾥,⼀座⼤城市沦为废墟。

【词块】lie in ruins
【单词】ruin n.废墟;遗迹(常⽤复数) vt.毁坏
◎观察思考
We visited the ruins of a Norman castle.
我们参观了⼀座诺曼式城堡的遗迹。

A telephone call ruined his day.
⼀个电话破坏了他⼀天的好⼼情。

Their plan came to ruins.
他们的计划落空了。

come to ruins
◎联系拓展
ruin one s hope
ruin one s health
ruin oneself
辨析:ruin,destroy,damage
ruin⼀般是指对物体或⽣命的彻底破坏,也常指对美好的或希望中的事物的破坏。

destroy表⽰彻底摧毁,使之⽆法复原,也表⽰粉碎希望或计划。

名词形式为destruction。

damage指对物体或⽣命的局部损伤,造成降低价值、破坏功能等后果。

do/cause damage to...对……造成损害。

即学活⽤
(ruin,destroy,damage)
(1)The works of art in the earthquake.
(2)His hands were because of long exposure in the cold.
(3)You will the chance of the job if you wear that shirt to the interview.
6.【教材原句】The number of people who were killed or badly injured in the quake was more than 400,000.
在地震中丧⽣或重伤的⼈数超过40万。

【句型】who引导,指代先⾏词。

【词块】the number of... ;be badly injured
◎观察思考
The number of college graduates in a country reflects its cultural standard.
⼀个国家⼤学毕业⽣的数量反映出这个国家的⽂化⽔平。

A great number of new factories have been set up in my hometown.
我的家乡建⽴了许多新⼯⼚。

◎归纳总结
a number of 很多;许多在number 之前可加large,small,great,good 等表⽰程度的词;只修饰可数名词,作主语时谓语动词⽤形式the number of ……的数⽬
修饰可数名词,作主语时谓语动词⽤形式
即学活⽤
Ⅰ.选词填空(a number of,the number of)
(1) students were absent from the meeting.
(2)As a consequence, polar bears is becoming smaller and
smaller.
Ⅱ.⽤所给词的正确形式填空
(3)The number of undergraduates (increase) over the
years.
(4)A good number of books in the market (be) still
examination-oriented (以考试为中⼼的).
7.【教材原句】People were in shock —and then,later that
afternoon,another big quake shook Tangshan again.
⼈们都很震惊,然后那天下午晚些时候,唐⼭⼜发⽣了⼀次⼤地震。

【词块】in shock
◎观察思考
The news of his sudden death is so shocking that everyone is shocked
at it very much.
他突然死亡的消息如此令⼈吃惊,以⾄于每个⼈听到时都感到很震惊。

I was shocked to hear that our factory would have to be forced to close.
听说我们的⼯⼚将被迫关闭,我⾮常震惊。

◎归纳总结
(1)be shocked at
(2)be shocked to do sth.
(3)shocked adj.
即学活⽤
完成下⾯⼩语段。

People (1) that the UFO was flying over the city.The (2) news (3) all the people around,which was also a great shock to people all over the country.⼈们⼗分吃惊地发现不明飞⾏物正在这座城市的上空飞⾏。

这个让⼈震惊的消息震惊了周围的⼈们,也震惊了全国各地的⼈们。

8.【教材原句】Soon after the quakes,the army sent 150,000 soldiers to Tangshan to dig out those who were trapped and to bury the dead.
地震发⽣后不久,部队派出了15万名⼠兵奔赴唐⼭将受困群众从废墟中抢救出来,并掩埋死者。

【单词】trap vt.n.险境;陷阱
bury vt.
◎观察思考
When travelling they were trapped in the mountain,waiting to be rescued.
旅⾏时,他们被困在了⼭⾥,等待救援。

We trapped him into telling the truth.
我们设圈套使他讲出实情。

If you choose this way,you re likely to fall into a trap.
如果你选择这条路,你很有可能会落⼊圈套。

She buried her face in her hands and wept.
她掩⾯⽽泣。

Since his wife left,he s burying himself in his work.
⾃从妻⼦离开以后,他⼀直埋头于⼯作。

Buried in his study,he didn t know that all the others had left.
他埋头学习,不知道其他⼈都早已离开了。

◎归纳总结
(1)be trapped in
trap sb.into (doing) sth.
fall into a trap
be buried in.../bury oneself in...
即学活⽤
Ⅰ.完成句⼦
(1)They (被困) here for three days.
(2)That big boy always (哄骗其他孩⼦做事) for him.
Ⅱ.⼀句多译
他专⼼致志地学习。

(3) (bury oneself)
(4) (be buried in)
由于埋头读书,他不知道外⾯下⾬了。

(5) ,he didn t know it was raining outside.(使⽤现在分词burying作状语)
(6) ,he didn t know it was raining outside.(使⽤过去分词buried作状语) 9.【教材原句】Slowly,the city began to breathe again.
慢慢地,这座城市⼜开始恢复了⽣机。

【单词】breathe v.breath n.
◎观察思考
He held his breath at the thrilling story.
他听着惊险故事屏住了呼吸。

By the time I got to the top of the hill,I was quite out of breath.
等我爬到⼭顶的时候,已经是上⽓不接下⽓了。

Her lips parted as if she were about to take a deep breath.
她张开嘴,好像要深呼吸。

The story is full of surprises which cause the reader to catch his breath.这个故事充满了惊险情节,使读者紧张得透不过⽓来。

◎归纳总结
(1)hold one s breath
(2)out of breath
(3)take a deep breath=breathe deeply
(4)catch one s breath
即学活⽤
翻译句⼦
(1)空⽓⾮常寒冷,我们难以呼吸。

(2)宣读结果时,他屏住了呼吸。

(3)仅仅五分钟之后我们便⽓喘吁吁了。

10.【教材原句】With strong support from the government and the tireless efforts of the city s people,a new Tangshan was built upon the earthquake ruins.
在政府的⼤⼒⽀持和唐⼭⼈民的不懈努⼒下,⼀座新的唐⼭在废墟中建⽴起来。

【单词】effort n.
◎观察思考
He is making an effort to catch up with others in study.
他在学习上正在努⼒赶上别⼈。

Let s start right now and spare no effort to do a little bit every day,every hour,and every minute!
让我们马上开始,不遗余⼒地每天每时每分做⼀点!
She took a deep breath and sat up slowly with great effort.
她深吸⼀⼝⽓,费⼒地慢慢坐起⾝来。

It will take a lot of time and efforts to master a foreign language.
掌握⼀门外语要花很多时间和精⼒。

◎归纳总结
(1)make an effort to do sth.
(2)spare no effort to do sth.
(3)with great effort
(4)It takes effort to do sth.
◎联系拓展
effortless adj.不需要费⼒的;effortlessly adv.不需要费⼒地
即学活⽤
翻译句⼦
(1)The local clubs are making an effort to interest more young people.
(2)她好不容易才忍住了笑。

巩固提升
Ⅰ.⽤所给单词的正确形式填空
1.A number of people (be) learning English nowadays,and the number of people who are learning English (be) increasing.
2.Yao Ming is one of the most popular sports (star) in China.
Ⅱ.选短语填空
1.This country was once proud of its education system.Now it seems to be .
2.It is obvious that humans the nature over years.
3. the news,she couldn t imagine what had just happened.
4. the novel,I didn t notice the teacher s coming.
Ⅲ.翻译句⼦
1.The company has laid off 150 workers in an effort to save money.
2.When we feel angry,we bury the emotion and feel guilty instead.
3.好像她已经永远地离开了。

4.我们此刻被困在⼤雪中。

核⼼素养专练
Ⅰ.单句语法填空
1.A great number of(survive) managed to get into the shelters.
2.She is too poor go to college.
3.He (raise) in a village where he spent his childhood.
Ⅱ.选短语填空
1.The storm didn t crops.
2.Firefighters a child a burning building yesterday evening.
3.It seemed the building were going down!
4.So I to be on time when I met my friends.
5.Some were found alive,though they were terrible injuries.
Ⅲ.⽤所给的提⽰词翻译句⼦
1.做深呼吸对⾝体有益。

(breathe)
2.地震给这所房⼦造成了严重的损坏。

(cause damage to sb./sth.)
3.写这篇⽂章的时候,我依然⼼有余悸。

(in shock)
4.有些⼯⼈被困在废墟中。

(be trapped in...
Ⅳ.运⽤想象⼒,⽤以下列出的本节重点表达写⼀篇⼩短⽂,题材不限
参考答案
课堂探究
Suggested answers:
1.【单词】rise 过去式 rose 过去分词 risen
◎归纳总结
区分两者的关键是看有没有宾语,有宾语⽤ raise
选词填空(1)rises (2)raised (3)raised
2.【句型】too...to...太……⽽不能……
◎归纳总结
在too...to...句型中,too的后⾯接形容词或副词的原级,to的后⾯接动词原形
即学活⽤
(1)The house is too small to hold so many people.
(2)I am too shocked to know the truth.
3.【句型】It seems as if...看上去仿佛……
【词块】come to an end结束
◎归纳总结
与现在事实
从句谓语动词⽤过去时 (be动词⽤were)
相反
与过去事实
从句谓语动词⽤过去完成时(had done)
相反
与将来事实
从句谓语动词⽤would/could/might do
相反
即学活⽤
(1)were (2)had been (3)as if the noise comes from downstairs
4.【句型】...a quake that...中that引导定语从句,指代先⾏词a quake,
在从句中作主语
【词块】one of the most deadly earthquakes 最严重的⼀场地震之⼀
【单词】damage n.损害,损失
◎归纳总结
“one of +形容词最⾼级+名词复数”表⽰“最……之⼀”。

即学活⽤
Wearing a mask is one of the most effective ways to protect yourself from getting infected.
5.【词块】lie in ruins 沦为废墟
◎归纳总结
come to ruins 毁灭
◎联系拓展
ruin one s hope 使某⼈的希望破灭
ruin one s health 损害某⼈的健康
ruin oneself ⾃我毁灭
即学活⽤
(1)were destroyed (2)damaged (3)ruin
6.【句型】who 引导定语从句,指代先⾏词people 。

【词块】the number of...……的数⽬;be badly injured 受伤严重
◎归纳总结
a number of 很多;许多在number 之前可加large,small,great,good 等表⽰程度的词;只修饰可数名词,作主语时谓语动词⽤复数形式
the number of ……的数⽬
修饰可数名词,作主语时谓语动词⽤单数形式
即学活⽤
Ⅰ.(1)A number of (2)the number of Ⅱ.(3)has increased (4)are
7.【词块】in shock 震惊
◎归纳总结
(1)be shocked at 对……吃惊
(2)be shocked to do sth.做某事很吃惊
(3)shocked adj.“感到震惊的”,表⽰⼈的⼼理状态和⼼理感受
(4)shocking adj.“令⼈震惊的”,说明事物的性质、特征、特点等?即学活⽤(1)were shocked (2)shocking (3)shocked
8.【单词】trap vt.使落⼊险境;使陷⼊圈套n.险境;陷阱
bury vt.埋葬,安葬
◎归纳总结
(1)be trapped in 困在……中;陷在……中
trap sb.into (doing) sth. 诱使某⼈做某事
fall into a trap 落⼊圈套/陷阱
(2)bury...in... 把……埋到……⾥
be buried in.../bury oneself in...埋头于;专⼼于;沉浸于
即学活⽤
(1)have been trapped
(2)traps other children into doing things
(3)He buries/buried himself in his study.
(4)He is/was buried in his study.
(5)Burying himself in the book
(6)Buried in the book
9.【单词】breathe v.呼吸breath n.呼吸
◎归纳总结
(1)hold one s breath 屏住呼吸
(2)out of breath ⽓喘吁吁,上⽓不接下⽓
(3)take a deep breath=breathe deeply 深呼吸
(4)catch one s breath 喘⼝⽓
即学活⽤
(1)The air was so cold,and we could hardly breathe.
(2)He held his breath while the results were read out.
(3)We were out of breath after only five minutes.
10.【单词】effort n.努⼒
◎归纳总结
(1)make an effort to do sth.努⼒做某事
(2)spare no effort to do sth.不遗余⼒地做某事
(3)with great effort 努⼒
(4)It takes effort to do sth.做某事需要努⼒
即学活⽤
(1)地⽅俱乐部正在努⼒吸引更多的年轻⼈。

(2)With great effort she managed to stop herself laughing.
巩固提升
Ⅰ.1.are;is 2.stars
Ⅱ.1.in ruins 2.have done damage to 3.Shocked at
4.Buried in
Ⅲ.1.公司为节省资⾦遣散了150名⼯⼈。

2.当我们感到愤怒时,压抑这种情绪反⽽会觉得内疚。

3.It seemed as if she d been gone forever.
4.We are trapped in the heavy snow at the moment.
核⼼素养专练
Ⅰ.1.survivors 2.to 3.was raised
Ⅱ.1.do damage to 2.rescued ;from 3.as if
4.made an effort
5.suffering from
Ⅲ.1.It s good for the body to breathe deeply.
2.The earthquake caused serious damage to the house.
3.I was still in shock when I wrote this article.
4.Some of the workers were trapped in the ruins.
Ⅳ.I spared no effort to study English.It seems as if my hard work was in vain and my confidence was ruined!Shocked at the low grades,I couldn t help burying my head in the test paper and cried.A number of
new words were too difficult for me to remember.What was wrong?I got up,took a deep breath and analysed my problems.Like what a number of students did,I thought one of my solutions was that I should remember the words in the context.Then gradually I made progress.。