introduction and cultural corner, reading Module 4, Book 3

The world used to be beautiful, with green trees, blue sea and a clear sky.

What is a sandstorm?

The sand almost buries the car.

The city is covered in thick, brownyellow dust.

blow bury frightening last (v) sandstorm There has been a __________. sandstorm It ____ has _____________________ lasted /has been blowing for ten hours frighteningThe wind and is very ___________. is blowing the sand high around the ___________ houses, and some cars are almost completely ______ buried by the sand.

What’s the cause of sandstorm?

The cause of sandstorm cutting down too many trees; desertification (沙漠化); high temperature and little rain; serious air and water pollution; the growing population of the world; improper use of land; rapid spread of urbanization.

What should we do to improve our enviornment?

Sandstorms are______________. They are ____________ (越来越普遍) nowadays, which results in desertification. What causes desertification? There are many reasons_________ (如下). Firstly (To begin with, first of all),........... Secondly, ......... Moreover(Besides, In addition, What's more, Furthermore)....... How can we solve the problem of desertification? Here is some advice. ........................................................... With our efforts, I believe _________.

1.How do Germans try to improve the environment?

2.What does the “Green” movement do?

Sandstorms are______________. They are ___________ (越来越普遍)nowadays, which results in desertification. What causes desertification? There are many reasons_________ (如下). To begin with, ........... Secondly, ......... In addition, ....... How can we solve the problem of desertification? Here is some advice. ........................................................... With our efforts, I believe _________.

Central Asia

A

BNorth America Central Africa

C

There are four main places in the world________ where there are sandstorms.

Australia

D

Sandstorms in Asia

Fast-reading

—Skimming (略读) Read fast and try to find the main ideas of each paragraphs