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【单选题】
在血压升高的刺激下,心脏结副交感神经兴奋释放的神经递质是A.
多巴胺
B.
肾上腺素
C.
乙酰胆碱
D.
去甲肾上腺素
E.
甲状腺素
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举一反三
【单选题】I don ' t think there is ______in the book on the desk. [
A.
] something important [
B.
] anything important [
C.
] important something [ D] important anything
【单选题】He can’t tell us ________, I think.
A.
important anything
B.
anything important
C.
important something
D.
something important.
【单选题】.Jennifer didn’t attend the important conference,and that’s _________she hadn’t been gotinformed of it.
A.
why
B.
the reason
C.
because
D.
for
【判断题】According to the writer, if something only takes two minutes, it can’t be very important.
A.
正确
B.
错误
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