英语必修3-unit4-词汇导学案

Unit 4 Astronomy：The science of the stars

1.as conj.随着，当……的时候

●用法拓展

(1)prep. 译为：________(2)adv. 译为：______ (3)conj.引导时间状语从句, 译为：__________ (4)conj.引导原因状语从句，译为：__________ (5)conj.引导让步状语从句，译为：_________

(6)conj.引导方式状语从句，译为：__________ (7)关系代词，引导_______从句

①As he grew older he lost interest in everything except gardening.

②We had better treat it as a joke.

③She is as tall as her mother.

④As I am going to repair my bike, I need a hammer.

⑤Intelligent as you are, I suspect you will fail.

⑥Cyprus, as you know, is an island in the Mediterranean

●特别提醒表示“随着……”时，也可以用with短语(with复合结构)。

①As the wealth of the country increases, more waste will be produced.

②With the wealth of the country increasing, more waste will be produced.

单项填空

①The Beatles, ________ many of you are old enough to remember, came from Liverpool. A．what B．that C．how D．as

②China is to have more giant pandas, ___ 13 female pandas are expecting babies this year. A．so B．if C．though D．as

③____children get older, they become more and more interested in the things around them. A．While B．When C．As D．With

④I couldn't do my homework with all that noise ________.

A．going on B．goes on C．went on D．to go on

2. method

n. 方法

He has introduced a new method of teaching.他引进了一种新的教学方法。

What is the most effective method of birth control?控制出生率的最有效的方法是什么？

联想拓展

with this method= by this means=in this way

用这种方法

易混辨析

method/means

method侧重“理论方法”，指做某事的具体步骤或程序。

a new teaching method一种新的教学方法

means（单复数同形）侧重“通过手段”或“利用工具”去达到某种目的。

高手过招

选词填空(method/means)（原创）

①The quickest of travel is by plane.

②She has a very scientific of dealing with political problems.

答案：①means②method

3. harmful

adj. 有害的

常用结构:

do sb. harm/do harm to sb. 对某人有害

be harmful to

Smoking is harmful to your health.

高手过招

单项填空

He is a nice dog. He won’t do you any .（原创）

A.ill

B. bite

C. hurt

D. harm

解析:选D。考查固定搭配。do sb. harm/do harm to sb. 表示

“对某人有害”。句意为：这是一条温顺的狗，它不会伤害你。

故选D。

4. mass

n. 质量；团；块；大量；(前加the) 群众

A liter of gas has less mass than a liter of water.1公升气体的质量少于1公升水的质量。She has a mass of things to do.她有一大堆的事情要做。

The masses have boundless creative power.人民群众有无限的创造力。

常用结构:

masses of sth.大量的东西

5. pull

v. 拉，拖，拔；移动

n.拉，拖；牵(引)力

You push and I ll pull. 你来推，我来拉。

I felt a pull at my sleeve and turned round.我觉得有人扯我的袖子，便转过身来。

常用结构:

pull (sb.) back（使某人）退却；撤回（某人）

pull off (sth.)（指机动车辆）驶离（道路至路侧停车处停下）

pull out (sth.) 拉掉；使分离；掏出；驶离（车站）

pull on 穿，戴上（袜子、手套等）

pull together 同心协力；通力合作

高手过招

用pull相关短语的适当形式填空（原创）

①I arrived as the last train was .

②He a gun and aimed at the criminal.

③So long as we , there’s no mountain top we can’t conquer.

答案：①pulling out②pulled out③pull together

6. cheer

vt. & vi. (使)高兴、振奋；(对)欢呼

The crowd cheered loudly as the Queen appeared.女王出现时群众高声欢呼。

He was greatly cheered by the news.他听到这个消息非常高兴。

常用结构:

cheer sb. on为某人加油

cheer (sb.) up（使某人）更高兴；（使）振奋起来

联想拓展

cheerful adj.高兴的

cheerless adj.不高兴的；阴冷的

高手过招

用cheer相关短语的适当形式填空（原创）

①Your visit has greatly him up.

②The crowd the runners as they started the last lap.