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【单选题】
设X服从参数为 的泊松分布,且P(X=0)=0.5P(X=2),则 =( )A.
0.5
B.
1
C.
2
D.
4
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【单选题】听力原文：M: Do you have any idea what happened to the user's manual for this new software? W: I had it yesterday, but I'm sure I put it back in the cabinet when I was finished. Q: What are the speakers tr...
A.
Look for a manual.
B.
Clean out a cabinet.
C.
Purchase new software.
D.
Borrow a manual.
【单选题】Even in a highly modernized country, manual work is still needed.
A.
physical
B.
mental
C.
natural
D.
hard
【单选题】听力原文：W: Have you managed to assemble the machine yet? M: I've been studying the manual for about an hour but I can't make head or tail of it. I don't know why they have made it so difficult to read. Q...
A.
The manual is of no use.
B.
There are some parts missing.
C.
He can't understand the manual.
D.
An hour is not enough to read the manual.
【简答题】Workshop of Manual Machining
【单选题】听力原文：W: I'm trying to find out how this dishwasher works. The manual is in French, but I can't wait for Bill to translate it for me. M: Don't worry, Mary, I can do the dishes before the machine starts...
A.
He will tell Mary how to operate the dishwasher.
B.
He will wash the dishes himself instead.
C.
He will help Bill to translate the manual.
D.
He himself will operate the dishwasher.
【简答题】游戏公司的游戏美宣部一般是给运营部和____供给美术资源的。
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