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问题 单项选择题

单击“开始”→“程序”→“MicrosoftOffice→Excel”并点击，即可（）Excel处理表格菜单。

A.启动

B.关闭

C.复制

D.删除

答案

参考答案：A

连词成句

连词成句。

1. a, or, we, car, have,a, didn't, telephone (.)

                                                                          

2. Beijing, I, in, last, lived, year (.)

                                                                          

3. did, you, weeks, what, do, three, ago (?)

                                                                          

4. very, miss, my, much, I, mother (.)

                                                                          

5. read, write, Mary, or, can, not (.)

                                                                          

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判断题

公开密钥密码体制中由加密密钥推导出解密密钥在计算机上是可行的。( )
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