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问题 填空题

观察下列各式：（x-1）（x+1）=x2-1；（x-1）（x2+x+1）=x3-1；（x-1）（x3+x2+x+1）=x4-1；……

根据前面各式的规律可得到：（x-1）（xn+xn-1+xn-2+…+x+1）=（    ）。

答案

阅读理解

任务型阅读。

     A French woman goes to London to see her son. She knows a little English,but cannot speak it very

well.

     One day she goes to a shop. She wants to buy a hen (母鸡)for supper. But she cannot remember the

English word for “hen”. Just then the shop waiter asks her,”Can I help you?”

     "I want the egg’s mother,”the woman answers.

     The shop waiter does not understand (明白)her and says,“Sorry,we have not any bigger eggs. ”

     Suddenly the woman remembers(记起)the word“cock”. She says,“I want the cock’s wife!”

     This time the shop waiter laughs.

根据以上内容，完成短文

     A French woman goes to    1    to    2    her son. She can’t speak   3   very well. One day,she goes to a   4   and wants to buy a    5     for supper. But she can’t remember the English word for "    6   ". She

says she wants the    7    mother. The shop waiter doesn’t     8    . Then she says she wants the   9   wife.

The shop waiter    10    .

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选择题

—You　　　 part in the party in time.

—Sorry，I was delayed by the accident.

A．are supposed to take

B．have supposed to take

C．are supposed to have taken

D．supposed to take
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