Learning about Languageppt课件教学实录

必修四Unit2

Language points 重点词汇讲解

1.Yuan Longping considers himself a farmer, for he works the land to do his research.

辨析because, for

because表示理由充分,有必然因果关系, 能回答以why引起的问句。

—

Why aren’t you coming with us to the concert?

—

Because I have got a bad headache. for (因为,由于),补充说明理由,不用于句首;不能回答以why引起的问句。如：

The shop was quite new, for it had opened only the week before. The day breaks _______ the sun rises. The day breaks, ___ the birds are singing. 2. struggle v.挣扎；努力；拼搏；斗争

n. (为争取自由、政治权利等而进行的)斗争，奋斗

常用结构：

struggle with与……斗争

struggle for 为争取……而斗争

struggle against与……斗争；为反对……而斗争

struggle to do sth. (=make great efforts to do sth.) 努力做某事

struggle to one’s feet 挣扎着站起来

She struggled to keep back the tears. 她努力忍住泪水。

It was a hard struggle to get my work done on time.

易混辨析

struggle/fight struggle指较长时间的、激烈的斗争，往往指肉体及精神上的战斗。

fight意为“搏斗，打斗，打架”，表示“斗争”时，包含体力和勇猛的因素。

完成句子

①我们应当帮助那些仍在为独立而斗争的人们。

We should help those who are still

.

②他们得和各种各样的困难作斗争。

They had to

. 3 search

search sb./sth.

搜查某人/某物、指的是搜身

search for sb./sth. 搜寻某人/某物，指的是为了找到某物或某人而搜索。

search sth./sb. for…搜查某物/某人以寻找……

in search of 寻找

search out 发现

The policeman searched the thief to see what he had in his pockets.

The villagers are searching for the missing child.

4 thanks to and rid of

1) thanks to表示“幸亏,多亏”多用于表达正面意思, 相当于感谢, 在句中作状语和表语。

Thanks to your help，much trouble was saved.

Thanks to your help, we were successful.

Thanks to you, I was saved from drowning.

2) rid…of …

使…摆脱/清除…

rid a house of mice

清除室内老鼠

rid oneself of debt

还清债务

You should rid yourself of that bad habit.

5 . would rather 宁愿，宁可

I’d rather you didn’t. (常用来委婉拒绝别人) 我希望你不要。

He would rather stay at home watching TV.

他宁愿待在家里看电视。

I’d rather not go there. 我宁愿不去那里。

I’d rather you came tomorrow than today.

我宁愿你明天来而不是今天来。

I’d rather have made a telephone call to him yesterday.

我昨天本想给他打个电话的。

联想拓展

①would rather...than....

I would rather watch TV at home than go to the cinema. ②would rather＋从句时，从句要用虚拟语气，用动词的过去时表示。

would rather后面也可跟从句表示主语宁愿某人做某事。这时，从句谓语应用虚拟语气，即用一般过去时表示现在或将来要做的事；用过去完成时表示已经做过的事或过去要做的事。

I”d rather you hadn’t told him the news that day. ③would rather have done 本想做……（而实际上未做）

I’d rather have left a note on her desk.

6. equip vt. & vi.

配备；装备

常用结构：

equip sb./sth. with 用……武装某人；用……装备某物

equip sb./sth. for 为……而武装某人；为……而装备某物

a piece of office equipment

一件办公设备

They equipped themselves for the expedition.

A good education should equip you for life.

高手过招

(1)单项填空

All classes of this school are

with modern

.

A. equipped; equipment

B. equipped; equipments C. equipping; equipments

D. equipping; equipment (2)完成句子

①The soldiers were well

(装备)

weapons.

②This library

(为……而装备) atomic research. ③Our classroom

(装备有) a computer and a tape recorder.

7 rather than 而不是

Mary, rather than her roommates, is going to Beijing.

NOTE：rather than 连接两个名词或代词作主语时,谓语动词应与rather than 前面的名词或代词在人称和数上保持一致。

She ran rather than walked. He is a student rather than a worker. They lost some books rather than money.

I decided to write rather than (to) telephone.

8. build up 逐步建立；逐渐增强；加强；树立；积累

The company has built up a fine reputation.

You must build up your strength after your illness.

高手过招

完成句子

①我们应该鼓励孩子们树立信心。

We should encourage the children to

.

②看到你的词汇量在逐渐增长我很高兴。

I’m very glad to see that your vocabulary is

. 9. lead to 通向；导致；造成（后果）

注意：lead to中的to为介词，该短语后可跟名词或动名词。

The car accident led to his being killed.

All roads lead to Rome.

Eating too much sugar can lead to health problems.

His carelessness led to his failure.

联想拓展

result in

导致

result from

由……导致

高手过招

单项填空

The students in the university are all taking courses

a degree.

A. sticking to

B. leading to

C. turning to

D. referring to

10. focus on 集中（注意力、精力等）于……；对(某事或做某事)予以注意；使聚焦于；使直射于

He focused his mind on his lessons.

Today we’re going to focus on the question of homeless people.

A near-sighted person cannot focus accurately on distant objects.

联想拓展

focus one’s attention on sth.= center/concentrate/fix one’s attention on sth. 集中注意力于……

高手过招

完成句子

①在我看来，学校应该把精力集中在教学上。

In my opinion, schools should

. ②他把相机对准了远处的高楼。

He

his camera

the huge building in the distance.

11. reduce vt.减少；缩小；降低；使……陷入某种更糟的状态

He is trying to reduce expenses. 他正试图减少开支。

We must gradually reduce the wage gap.

常用结构：

reduce sth. to...

减少到……

reduce sth. by...

减少了……

be reduced to

沦落为……

The shopkeeper reduced the price by ＄10.

The poor boy is reduced to begging.

高手过招

完成句子

①她的体重减少了5公斤。

She

her

5 kilos.

②炸弹爆炸使得该城市化为废墟。

The bombs

the city

. 12.

comment vi.&vt.

表达意见；作出评论

n.［C&U］

评论；议论

常用结构：

comment on/about sth./sb. 对某事/某人进行评论

make comments/no comment on sth./sb.

The scandal caused a lot of comment.

“Will you resign, Minister?” “No comment!”

高手过招

(1)用括号内所给单词的适当形式填空

Do you have any comments

(make) on the recent developments?

(2)完成句子

①Asked about the date of the election, the Prime Minister

(发表意见) no decision had yet been made.

②She was asked about the pay increase but

(不进行评论) on it. 13．regret vt.& vi. 后悔；遗憾

n.

遗憾；懊悔

常用结构：

regret doing= regret having done=regret to have done

后悔做了某事

regret to do遗憾将要做某事

regret to say/tell/inform

遗憾地说/告诉/通知

much to one’s regret 深感遗憾

with regret 遗憾地

Tom regretted telling his parents the thing.

I regretted to tell you you hadn’t passed the driving test.

He told me with regret that he couldn’t come to the party.

He gave up teaching in 1998, much to his students’ regret.

高手过招

(1)单项填空

They failed to pass the exam last time. I regretted

them.

（2010·01·江西赣州质量检测）

A. to be not able to help

B. not being able to help

C. being not able to help

D. not be able to help (2)用括号内所给单词的适当形式填空

①I now regret

(leave) school so young.

②I regret

(inform) you that your contract will not be renewed.

(3)完成句子

(我非常抱歉), I am unable to accept your invitation.

重点句型分析

1. This special strain of rice makes it possible to produce one-third more of the crop in the same fields.

make it +宾语补足语+动词不定式,it 做形式宾语,动词不定式是真正的宾语。it做形式宾语, 通常和下列动词连用:

consider, think, make, find, believe, count, declare, deem, fancy, feel, guess, imagine, judge, prove, see, show, suppose, understand, take等. We consider it our duty to support good leaders.

The new method makes it possible to complete the task faster. Tom found it very embarrassing to be reminded of the long-standing debt.

Susan deemed it advisable to keep the matter secret.

We all feel it nice to be able to visit that distinguished university. 2. Using his hybrid rice, farmers are producing harvests twice as large as before.

倍数表达法：

A＋be＋倍数＋as＋adj.＋as＋B A＋be＋倍数＋比较级＋than＋B A＋be＋倍数＋（由某些形容词变化而来的）n.＋of＋B I’m not going out with a man who’s twice as old as me.

We got three times as many people as expected.

You’re not half as clever as you think you are.

This building is five times higher than that one.

This building is five times the height of that one.

高手过招

单项填空

What a table! I’ve never seen such a thing before.

It is

it is long.

A. half not as wide as

B. wide not as half as

C. not half as wide as

D. as wide as not half