题目内容

NPN型三极管导通之后,电位最高的是()极。

A. B
B. C
C. E
D

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TTL电路比CMOS电路功耗()。

A. 大
B. 小
C. 差不多
D. 不确定

The world _____________ China’s high technology used in the ceremony.

A. warded off
B. in one way or another
C. in the event of
D. be stunned by

Police _________ about 2,000 protesters who marched on the police headquarters last Friday.

A. in one way or another
B. warded off
C. bear up
D. in the event of

____________ his death, his daughter will inherit the money.

A. in one way or another
B. ward off
C. bear up
D. in the event of

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