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【单选题】
数控机床不使用时最重要的日常维护工作是()A.
清洁
B.
干燥
C.
通电
D.
上油
手机使用
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复制链接
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举一反三
【简答题】听短文和问题，选出正确答案。短文读两遍。 1. Why did Jean go to the park? [ ] A. She wanted to find the money. B. She wanted to see the strange man. C. She wanted to meet her friend. 2. What did Jean and her friend do...
【多选题】演示文稿中的超级链接是从幻灯片的一个位置指向另一个目的端的链接，这个目的端（）。
A.
可以是另一个幻灯片
B.
只能是本幻灯片中的其他位置
C.
可以是一个网页
D.
可以是一个音频文件
E.
只能是一个视频文件
【简答题】听下面一段对话，回答第1至3题。 1. Where did the man go? A. To a river. B. To a lake. C. To the seaside. 2. Why did the man get out of water quickly? A. They met a erous animal. B. The water was too deep. C. It ...
【简答题】听对话，并从每小题的三个选项中选出一个正确选项。 1. When did they come back from the farm? A. In the morning. B. In the evening. C. At noon. 2. Why did the speaker go downstairs at once? A. She heard someone talking in the b...
【单选题】Why did Marge and her husband think it an extravagance for Marge to go back to work?
A.
Because they might pay more than they earned on the whole.
B.
Because Marge has to take care of their children at home.
C.
Because they don't have the babysitter to help them.
D.
Because Marge has to pay more transportation fares.
【单选题】Why did they go back to the crossroads?
A.
Because they left something behind.
B.
Because they got lost.
C.
Because an oak fell down and blocked the way.
【简答题】( )是从一个网页指向另一个目的端的链接。可以指向一幅图片、一个文件、一个程序 或本网页中的其他位置。
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