Learning about Languageppt课件教学实录

B4U2 working the land learning about language

1. 学习目标

①

掌握重点词汇，包括

thanks to,rid of,lead to and focus on ②

掌握并学会使用如下句型

(1)

This special strain of rice makes it possible to produce 20% more of the crop in the same fields. (2)Using his hybrid rice, farmers are producing harvests twice as large as before. 2. 学习难点

①

熟记本课文的词汇

②

make it possible to do sth ③

倍数的表达方法

3. 教具

电脑，投影等

4. 教学过程

Words and expressions

1.Thanks to his research,the UN has more tools in the battle to rid the world of hunger.

多亏了他的研究,联合国在消除世界饥饿的战斗中又多了些方法。

【观察思考】

(1)Thanks to your help,we were successful. 由于你的帮助,我们成功了。

(2)Thanks to the bad weather,the match had been cancelled. 由于这倒霉的天气,比赛被取消了。（注意：有时thanks to可用在反语气当中）

【尝试运用】

单项填空

(1)It was

your timely help that we accomplished the task on time. A.because B.thank C.thanks to D.as

(2)

the new policy,we are now having a happy life. A.Thanks to B.Because C.For D.Thanks for 【观察思考】

(1)You should rid yourself of that bad habit. 你应该改掉那个坏习惯。

(2)It won’t be long before we can get rid of the pest altogether. 不用太久,我们就能把这种害虫消除干净。

rid sb/sth of sb/sth of 摆脱;除去

be/get rid of 摆脱

【尝试运用】

同义句转换

Could you rid yourself of the bad habit of smoking? 1

Could you

the bad habit of smoking?

2.Many of these chemicals can lead to cancer or other illnesses. 很多化学成分能导致癌症或其他疾病。

【观察思考】

(1)The car accident led to his being killed. 那次车祸导致他死亡。

(2)All roads lead to Rome.条条大路通罗马。

(3)Eating too much sugar can lead to health problems. 吃太多糖会导致健康问题。

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词-ing形式。

result in 导致

result from 由……导致

【尝试运用】

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

3.They focus on keeping their soil rich and free of disease. 他们主要是想保持土壤肥沃且免受病害。

【观察思考】

(1)He focused his mind on his lessons.他把心思集中在功课上。

(2)Today we’re going to focus on the question of homeless people. 今天,我们主要讨论无家可归者的问题。

focus on 集中(注意力等)于……;对(某事或做某事)予以注意;使聚焦于

focus one’s attention on sth= concentrate one’s attention on sth集中注意力于……

【尝试运用】

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.

Sentence structures

1. make it possible (for sb.) to do使(某人)做某事成为可能

原句

This special strain of rice makes it possible to produce 20% more of the crop in the same fields. 这种特殊的稻种使得同样的田地多收获百分之二十的产量。(B4, P10) 例句

The Internet has made it possible for us to get more information in much less time. 因特网已经使我们用更少的时间获得更多的信息成为可能。

仿写

根据汉语意思完成英文句子。

⑴

因特网使得我们获得国内外的消息成为可能。

The Internet ________________ for us ________________________________________

2

2. 倍数词+as+原级+as...

是…的多少倍

原句

Using his hybrid rice farmers are producing harvests twice as large as before. 用他的杂交水稻种子, 农民们种出比以前多一倍的粮食。(B4, P10) 例句

The new building is three times as tall as the old one.

新大楼是旧大楼的三倍高。

说明

英语中常用的倍数表达法还有：

⑴

倍数+形容词/副词的比较级+than... ⑵

倍数+the+名词(length, width, height, size )+of... 仿写

用三种表达方式翻译下句子。

这根绳子是那根的三倍长。

⑴

This rope is ________________that. ⑵

This rope is__________________ that. ⑶

This rope is _____________________ that. 3