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问题 多项选择题

在Win2000的恢复控制台中，可以完成的任务有（）。

A.启动和停止服务

B.在本地驱动器上读取和写入数据

C.格式化磁盘

D.创建新用户

答案

参考答案：A, B, C

完形填空

Look at this girl in the picture, she is      good friend.    name is Lily. She is      .She is thirteen. This is me. My    is Li Ling. I’m a Chinese girl. I am one year younger than Lily. We are      the same class.

Lily likes collecting sports things. She     a great sports collection. Look, these are her things. She has 10 tennis rackets, 8 baseballs, 6 basketballs, 12 soccers    18 volleyballs. But she doesn’t     sports. She    likes collecting sports things. His brother, David, likes soccer. He plays    every day with his friends.

小题1:A. I               B. me              C. my              

小题2:A. She            B. Her              C. My              

小题3:A. an English      B. English girl        C. English         

小题4:A. friend          B. father               C. name

小题5:A. in            B. at                  C. on             

小题6:A. is              B. has             C. have

小题7:A. and            B. or               C. but             

小题8:A. like           B. likes              C. is like           

小题9:A. no             B. not            C. only

小题10:A. football        B. basketball          C. baseball         
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选择题

设NA是阿伏加德罗常数的数值，下列说法正确的是

A．1mol·L-1NaCl溶液含有NA个Na+

B．1molCl2与足量的铁反应，转移的电子数为3NA

C．1 mol Na 与足量O2在一定条件下反应，生成Na2O和Na2O2的混合物，钠失去NA个电子

D．在酸性条件下，1molFe2+ 与足量的H2O2溶液反应，转移2 NA个电子
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