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【单选题】
表2^(2*2)的运算结果为 。
A.
-16
B.
16
C.
-8
D.
8
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【判断题】美国地方政府发行的市政债券的利率低于联邦政府债券可能的原因是流动性因素。()
A.
正确
B.
错误
【判断题】美国地方政府发行的市政债券利率低于联邦政府债券的原因是违约风险差异所致。
A.
正确
B.
错误
【单选题】美国地方政府发行的市政债券的利率低于联邦政府债券,其原因可能是
A.
违约风险因素
B.
流动性差异因素
C.
税收差异因素
D.
市场需求因素
【判断题】美国地方政府发行的市政债券利率低于联邦政府债券的原因是违约风险差异所致。
A.
正确
B.
错误
【单选题】Why does the person who answers on the telephone for a company have tremendous power?
A.
Because he is chairman of the board
B.
Because he occupies the important position in the office
C.
Because his telephone manner may help further the company’s objectives or hurt them.
D.
Because he answers the phones with a smile.
【简答题】电路如图所示,开关动作前电路处于稳态,t=0时开关S闭合。求t>0时的电流i(t)。
【单选题】Person who answers a request for information:
A.
confine
B.
detrimental
C.
rational
D.
respondent
【单选题】He _ _ got a letter __ _ his sister. [     ]
A.
have; from
B.
is; to
C.
has; from
【判断题】美国地方政府发行的市政债券的利率低于联邦政府债券的原因是违约风险差异所致。()
A.
正确
B.
错误
【单选题】His sister left home in 1998, and _______ever since.
A.
has not heard from
B.
had not heard from
C.
has not been heard of
D.
had not been heard of
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