皮皮学，免费搜题
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搜题
【单选题】
程蝶衣和第一次分开唱戏是因为()。A.
本人入侵后无法唱戏
B.
小楼和菊仙结婚
C.
程蝶衣给日本人唱戏
D.
楼入狱
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皮皮学刷刷变学霸
举一反三
【单选题】By "a one-way street" (Line 1, Para. 1), the author means _______.
A.
university researchers know little about the commercial world
B.
there is little exchange between industry and academia
C.
few industrial scientists would quit to work in a university
D.
few university professors are willing to do industrial research