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【单选题】
Why are you advised to give fewer points in your presentation? .A.
To pass on the messages better.
B.
To allow audience to take notes.
C.
To avoid wasting too much time.
D.
To leave more time for questions
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举一反三
【单选题】How old was Andrew Carnegie when he had emigrated from Scotland to America?
A.
17
B.
20
C.
13
D.
12
【简答题】一个ASCⅡ用______个字节表示。
【单选题】--- I didn’t see you at the party yesterday. Why? --- Because I ________ for an important person from America at that time.
A.
was waiting
B.
is waiting
C.
will wait
D.
have waited
【简答题】一个ASCII用______个字节表示。
【简答题】签发公文一般要用______、______或______笔,不能用圆珠笔或彩色笔。
【简答题】Expenses belong to a certain __________ period.
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