Module4 Sandstorms in Asia 教材分析

Introduction

1.It lasted for ten hours and was very frightening.

它（这场沙尘暴）持续了十个小时，令人特别恐惧。

（1）last vi. 继续；持续；维持。例如：

Our summer holidays last a long time every year.

我们的假期每年有很长一段时间。

The hot weather lasted until the end of September.

炎热的天气一直持续到九月底。

（2）frightening adj. 令人恐惧的， 引起突然惊恐的。例如：

a frightening experience

一次可怕的经历

The news is quite frightening.

这消息引起人们的恐惧。

2.The wind blew the sand high around the houses，and some cars were almost completely buried by the sand.

强劲的风吹得房子周围的沙尘四处飞扬，有些小汽车几乎被沙尘所埋没。

blow vt.& vi. 吹，吹动，刮。例如：

The winds blow across the sea，pushing little waves into bigger and bigger ones.

风吹过海面，把小的波浪推向前进，变成越来越大的波浪。

The wind has blown my hat off.

风把我的帽子刮走了。

blow [C] 打，打击，奇袭，猛攻。例如：

give sb. a blow on the head给某人头上一击

3.Deserts are also created because people cut down trees and dig up grass.

人们肆意砍伐树木和破坏草皮也是导致土壤沙漠