题目内容
4. It was the most frightening and the most dangerous situation I've ever been .
4. in
12. When you get the paper back,pay special attention to
what .
A. has marked B. has been marked
C. had marked D. had been marked
1. This is a that happens when land becomes desert.
A. process B. produce
C. procedure D. pronunciation
4. 简言之;概括地讲
5. 浏览
I
同义句转换
4. He is six feet in height.
He is six feet.
6. — the letter (give) to Mr Black?
—No. It's still on the desk.
I.课文理解
（ ）1. What is the best description about a sandstorm according to the text?
A. It is a major disaster for many Asian countries for centuries.
B. It is strong wind carrying sand.
C. It is a way to cause land to become desert.
D. It is a kind of natural disaster that can't be treated.
（ ）2. What is the main reason for the increase of sandstorms in China recently?
A. To be close to many deserts.
B. The worsening of the weather in China.
C. Desertification.
D. Cutting down trees and digging up grass.
（ ）3. What effects are sandstorms bringing to people living in cities?
A. The whole city is usually covered in a thick and brown-yellow dust.
B. Traffic moves very slowly.
C. People can't breathe well and the dust makes them ill.
D. All of the above.
（ ）4. What is the best way to avoid the effects from the sandstorm?
A. To live far away from deserts.
B. To stay at home when a sandstorm happens.
C. To wear a mask if you want to go out.
D. To plant more trees.
（ ）5. Which of the following is NOT the element to make Central Asia,North America,Central Africa and Australia the four main places where there are sandstorms?
A. The climate in these places is rather bad.
B. They are all the places with big deserts.
C. The natural environment in these places is worsening every year.
D. The governments in these places pay little attention to the protection of nature.
9. When a sandstorm arrives the city,weather experts advise people not to go out.
6. n. ：someone who lives in a particular town, country,or state
