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【单选题】
影响意识最重要的神经结构是A.
脑干内侧纵束
B.
脑干内侧
C.
脑干上行性网状激活系统
D.
丘脑背外侧核
E.
垂体前叶
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反馈参考答案：
举一反三
【单选题】Is sitting in traffic as inevitable as death and taxes? Perhaps not. Many countries now have dedicated traffic-monitoring centres linked to networks of cameras and sensors. Throw in traffic-spotting a...
A.
dispatch aircraft to spot the traffic.
B.
guarantee drivers have access to the information system.
C.
obtain related reports of accident.
D.
collect data of the positions of buses.
【单选题】Europe and Japan need more labor force because the population growth in these countries has been very low.
A.
Y
B.
N
C.
NG
【单选题】The number of air crashes that ____ in developing countries ____ increasing. [ ]
A.
happens; is
B.
happen; is
C.
happens; are
D.
happen; are
【单选题】. China is one of the countries in the world which_________astronauts to space so far.
A.
have sent
B.
has sent
C.
sent
D.
sending
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