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问题 选择题

自然数的个数是（   ）

A．有限的

B．无限的

C．可以说是有限的，也可以说是无限的

答案

答案：B

题目分析：

根据自然数的个数是无限的，没有最大的自然数，最小的自然数是0.

解：

自然数的个数是无限的。

故选：B．

完形填空

My friend Sally is an English __1___. Her family name is ___2____. She is 13 years old. Here is a photo ___3____ her room. In ___4___ room, her notebook and computer game ____5_____ on the desk. Her schoolbag is on the sofa. Her ___6____ are on the sofa, too. Some books and two pens are in her schoolbag. A baseball is under the bed, ___7____ it’s not hers. It’s her brother’s. Sally has a TV. It’s on the table. Next to the table is a photo. Three girls are ____8____ the photo. Do you know ___9____ the two girls are? Well, ___10___ are Sally’s good friends, Mary and Cindy.

小题1:A girl         B boy           C dog            D father

小题2:A Eric        B Frank        C Brown         D Bill

小题3:A for          B of            C at             D in

小题4:A his          B her           C he             D she

小题5:A is           B are           C am             D /

小题6:A pencil       B pen          C schoolbags    D pencils

小题7:A and         B too           C but            D also

小题8:A at           B to            C in             D under

小题9:A what        B how          C where         D who

小题10:A these       B they          C this           D that
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选择题

Jim, ______11-year-old boy, wants to come to China to learn _____Chinese.

A．a; /

B．an; /

C．a; the

D．an; a
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