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【单选题】
当晶体三极管集电极电流IC>ICM时,该管( )。A.
立即烧毁
B.
正常工作
C.
β值下降
D.
PN结击穿短路
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【简答题】How economies are connected?
【单选题】How did she describe African economies?
A.
Stably-decreasing and vigorous.
B.
Stably-decreasing and sluggish.
C.
Stably-growing and sluggish.
D.
Steadily-growing and energetic.
【简答题】听力原文： With the development of economies and the advent of globalization, many large companies tend to go out of their own countries to establish multinational corporations (MNC). Today, we shall explo...
【单选题】Modern market economies require economics to______.
A.
deal with how social institutions work
B.
give up the study of price theory
C.
act more as a social science than a hard one
D.
primarily concern itself with economic solutions
【单选题】_________ I like economies, I like sociology much better.
A.
As much as
B.
So much
C.
How much
D.
Much as
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