8.The increase in the population of plants can stop the process of ______(土地沙漠化).

7.Air ______(污染) are beginning to draw more and more attention.

6.The frightened man sounded as if he was going to die of ______(恐惧).

5.After the tsunami in Indian Ocean people showed more c______for the earthquakes in the sea.

4.Garbage that can be r______should be collected.

3.Captain Miller,who s______the D-Day Landing,led a team to save Private Rayan.

2.Scientists have been trying to find ways to f______earthquakes.

Ren Jianbo described his experiences in a sandstorm in the desert as a child.”_______(catch)in a sandstorm was a terrible experience.I had never ________(experience)a more frightening or a more dangerous situation.There is nothing ________(do)You just had to hope you’d survive.”

Sandstorms in China appear______(increase) in recent years____ _____ ____ ______”desertification”.This is a process that happens when land becomes desert_____ _____climate changes and _____ people ______　 _____trees and ______ ______grass.

Sandstorms are often _____ thick_____ you can’t see the sun. and the wind is sometimes strong _____ _____ _____ sand dunes.Weather experts advise people _____ ____ _____(not go) out in a sandstorm.

Huang Xiaomei says,”____ _____ _____(cycle) in a sandstorm is frightening._____difficult to breathe and the dust _____ me _____.”

Sandstorms ,which begin in desert areas ,sometimes affect Beijing. People _____ _____ _____the fact that there is a desert only 250 km away _____ the wast of Beijing.____ _____(prevent) it _____(come) nearer ,the government plans ____ _____(plant) trees for the next five years.

二 单词拼写

1.Bikes are very popular in China.Many prefer c______ to work.

6.them-which 7which-when 8is-are 9who-that 10with-without.

10.My glasses, with which I was like a blind man, fell to the ground and broke.

as a child.

　答案：1these-those 2which-that 3which-as 4first’which’-when 5drop ‘it