Which of the following is NOT true, according to the conversation
Aunt Celia has confirmed the news about the marriage.
B. Aunt Celia has written them the letter about the marriage.
C. Aunt Celia will come to see them to talk about the marriage.
D. Aunt Celia has concealed the news of the marriage from them.
查看答案
当打开两个以上的Word文档时，将启用“并排查看”功能，此时用户可以使用该功能比较查看( )已打开的文档。
A. 两个
B. 3个
C. 偶数个
D. 所有
29（）
A. up
B. down
C. around
D. in to
Why did Einstein leave Germany when Hitler came to power
A. Because he had been persecuted all the time.
Because he anticipated Nazi persecution.
C. Because he wanted to go to support Zionism.
D. Because he was in a very difficult position.
( )的实质是一种条件控制，病毒程序可以根据设计者的要求，在一定条件下实施攻击。
A. 潜伏
B. 隐蔽
C. 触发
D. 传染
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