Unit 4 Astronomy：The science of the stars

language points学案

1. spread

vt.&vi. 展开,铺开;散布;扩大;延伸

The bird spread its wings. 那只鸟展开了翅膀

Flies spread disease. 苍蝇传播疾病

常用结构:

spread sth. with sth. 用......抹/涂/铺......

spread ...on ...把......抹/涂/铺在......

be spread for摆好（桌子）准备

spread oneself\[口\]舒展四肢(躺下)

spread out张开，伸开，铺开，展开，伸长

高手过招

单项填空

Paper making began in China and to Europe.

A. Spread B. grew

C. Carried D. developed

解析:选A句意为：造纸术起源于中国，又传播到了欧洲spread传播

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

by this means=in this way=with this method

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

mean no harm 无意伤害别人;没有恶意