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【单选题】

The probability of failure for a project element is often called exposure to risk,or risk exposure.This exposure may be mitigated by taking measure to avoid a particular approach or use of specific technologies.When the risk exposure cannot be reduced through selection of another alternative,the project manager should______.

A.
conduct further studies and ysis until a more attractive alternative is found
B.
disregard the exposure to risk because nothing can be done
C.
not performs the activities with risk exposure and save the money which would have been spent on them
D.
establish a contingency plan to overcome any adverse activitwhich may include a contingency allowance
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参考解析:
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【单选题】四个样本率作比较,χ²>χ²0.05,ν可认为()。

A.
各总体率不同或不全相同
B.
各总体率均不相同
C.
各样本率均不相同
D.
各样本率不同或不全相同

【单选题】Which color coat does she finally buy() A.Red. B.Blue. C.Green.

A.
M: Good morning! What can I do for you, Madam
B.
W: Good morning ! I’m looking for a coat.
C.
M: What color would you like
D.
W: Could you show me some I’d like a middle sized red coat.
E.
M: Sorry. We haven’t anything in your size.
F.
W: Do you have a smaller size
G.
M: I’m sorry. The small size coats have just been sold out. What about the blue one It looks nice and maybe fits you.
H.
W: Well, may I try it on
I.
M: Yes, please.
J.
W: It seems nice on me. How much is it
.
M: 168 yuan.
K.
W: OK. Here is 170 yuan. You keep the change please!
L.
M: Thanks.