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【单选题】
You have just been hired as a manager. Unwisely, you want to send the message to anyone who comes to talk to you that you are in charge. How would you arrange your office?A.
You would sit behind a large desk while the visitor sits in a chair on the other side of the desk more than four feet away from you.
B.
You would arrange some comfortable easy chairs in your office; each of your visitors would sit in one of the chairs.
C.
You would place another chair, at right angles to yours, about three feet away from you.
D.
You wouldn’t provide a chair for the visitor, so he would remain standing while you were seated.
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举一反三
【单选题】随着回热加热级数的增多,()
A.
回热循环效率的增加值逐渐增多
B.
回热循环效率的增加值不变
C.
回热循环效率的增加值逐渐减少
D.
回热循环效率的增加值先增多,当级数达到某一值时再减少。
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