皮皮学，免费搜题
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【简答题】
The demand for a textbook written by Schwarz and Mobley is Q = 20,000 - 100P; supply is Q = 2,000 + 200P. Students complain about the high price of textbooks, resulting in a price ceiling and, unfortunately, a shortage of texts. Below what price will shortages occur?
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皮皮学刷刷变学霸
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【单选题】--- Can I have a talk with you at about 5 this afternoon, Mr．Smith? --- All right, I ______ to my office from a conference then．I will be waiting for you there．
A.
have come back
B.
will come back
C.
will have come back
D.
will be coming back
【单选题】This is Mr．Smith, ________ I think has something interesting to tell you．
A.
who
B.
whom
C.
that
D.
/
【简答题】版图验证的DRC是指()
【单选题】—May I speak to Mr.Smith? —I am afraid not.He is at a meeting now.It's not ________.
A.
reliable
B.
convenient
C.
beneficial
D.
available
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