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【单选题】
进出口货物征免税证明的有效期一般为多久?()A.
一个月
B.
三个月
C.
九个月
D.
六个月
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反馈参考答案：
举一反三
【多选题】U.S. laws requiring that drivers wear seat belts have resulted in
A.
a reduction in both driver deaths and pedestrian deaths.
B.
fewer accidents and fewer deaths per accident.
C.
fewer driver deaths, fewer accidents and fewer pedestrian deaths.
D.
little change in the number of driver deaths, but more accidents.
E.
an increase in the number of accidents.
F.
safer driving.
【单选题】Before Sept.11, the U.S. Congress had been unable to pass stricter immigration laws because ________.
A.
education and business circles cared little about national security
B.
resources were not available for their enforcement
C.
it was difficult to coordinate the efforts of the congressmen
D.
they might have kept away foreign students and cheap labor
【单选题】Why are there laws made against smoking in public places in the U.S.?
A.
Because people have realized the danger of second-hand smoke.
B.
Because more and more people don't like smoking now.
C.
Because parents don't want their children to become smokers.
D.
Because the government wants to limit the production of cigarettes.
【单选题】患者女性,26岁。因淋雨后出现高热、畏寒、咳嗽、流涕就诊。医生开出以下口服药,护士嘱咐患者应最后服用的是
A.
布洛芬
B.
止咳糖浆
C.
清开灵口服液
D.
头孢呋辛
【单选题】以下哪个关于螺栓的语句是正确的?
A.
如果有多种型号的螺栓，特定型号的所有螺栓都具有相同的强度。
B.
螺栓的强度是由颜色来决定。
C.
螺栓的强度可由所印的号码或标记来确定。
D.
螺栓不会断开，除非使用风动工具。
【单选题】Before Sept 11, the U.S. Congress had been unable to pass stricter immigration laws be- cause______.
A.
they might have kept away foreign students and cheap labor.
B.
it was difficult to coordinate the efforts of the congressmen.
C.
education and business circles cared little about nation.
D.
resources were not available for their enforcement.
【单选题】Game laws in every state of the U.S. regulate the raising of wild game.
A.
Y
B.
N
C.
NG
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