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问题 填空题

某地强风的风速约为v=20 m/s，设空气密度为ρ=1.3 kg/m3，如果把通过横截面积为S=20 m2的风的动能全部转化为电能，则电功率的大小约为_________W（取一位有效数字）。

答案

1×105

填空题

A. go down  B. catch more fish  C. heavy  D. hungry  E. happy  F. richest

G. the boat and life  H. sell the gold chains(链条)  I. fishing  J. poor

Mr Smith lived by the sea. He had a big family and he had to work hard, or  his wife and children would be __小题1:__. So he had to get up early every day. After breakfast he set out in a small boat. He always hoped to __小题2:__. 

One morning the man got to a good place for fishing.  He threw a long rope with many hooks（钩子）into the water. He found it very ___小题3:___ and pulled the hooks out of the sea. He saw there were some gold chains（链子. He , of course, was very __小题4:__. 

“I’ll __小题5:__ for a lot of money ,” he thought to himself.“I’ll build a new house and buy expensive things. I’ll be the __小题6:__ man in the world!”

Mr. Smith went on drawing his rope and didn’t notice what was happening to his boat. It began to __小题7:__. As he was pulling the gold chains, the boat sank into the sea. He lost not only the gold chains ,but also __小题8:___!

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判断题

《西游记》中的杏仙是个清雅脱俗的女子，清代黄周星品评杏仙的诗，认为其诗清新脱俗，亦可三等。
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