Ⅱ.选择下列句中词组的汉语意思

　　A．砍倒　　B．由于...... C．突然遭遇 D．挖出 E．一个接一个地 F．阻止......做......

　　1．She called them one after another by name，but no one answered.

　　2．He was totally blind as a result of the traffic accident.

　　3．All of the trees were cut down，and none was left.

　　4．I was caught in a heavy rain last Sunday.

　　5．We dug up the tree by its roots.

　　6．Further treatment will prevent cancer from developing.

　　【答案】　1－6　EBACDF

　　Sandstorms in Asia

　　Sandstorms have been a major disaster for many Asian countries for centuries.Scientists have tried many ways to solve this problem and in China，a mass campaign has been started to help solve it.①

　　亚洲的沙尘暴

　　数个世纪以来，对很多亚洲国家来说沙尘暴一直是一个大灾难。科学家们尝试过很多办法解决这个问题，在中国，也发动了群众运动来对付沙尘暴。

　　[助读讲解]　①and为并列连词，句中的to solve this problem和to help solve it为不定式作目的状语。

Sandstorms are strong，dry winds that carry sand.They are often so thick that you cannot see the sun②，and the wind is sometimes strong enough to move sand dunes (沙丘)．The four main places in the world where there are sandstorms③ are Central Asia，North America，Central Africa and Australia.Ren Jianbo，from Inner Mongolia described a terrible sandstorm he experienced as a child in the desert④."To have been caught in a sandstorm was a terrible experience，" he said."There was nothing to be done.It was the most frightening and the most dangerous situation I've ever been in.You just had to hope you'd survive.I thought I was going to disappear under the sand."