Ⅰ.课文缩写填空
Sandstorms have been a major __1__ for many Asian countries for centuries. Scientists have tried many ways to __2__ this problem.
Sandstorms are strong, dry winds that carry sand. They are often __3__ thick that you cannot see the sun, and the wind is sometimes strong enough to move sand __4__. The four main places in the world __5__ there are sandstorms are Central Asia, North America, Central Africa and Australia. Ren Jianbo described a terrible sandstorm he experienced as a child in the desert, “To __6__ (catch) a sandstorm was a terrible __7__.”he said.“It was the most __8__ (frighten) and the most dangerous __9__ I've ever been in. You just had to hope you'd __10__ (survive). I thought I was going to disappear under the sand.”
