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【多选题】
下列情形不得倒车的有( )。A.
高速公路
B.
交叉路口
C.
单行路
D.
隧道中
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反馈参考答案：
举一反三
【简答题】Similar to tobacco addict, which illnesses are marijuana smokers vulnerable to?
【单选题】Why was hemp banned?
A.
It is related to the marijuana plant.
B.
It can be used to produce marijuana.
C.
It was no longer a useful crop.
D.
It was destructive to the land.
【单选题】Opponents of cigarette taxes often argue that tobacco and marijuana are substitutes so that high cigarette prices
A.
encourage marijuana use, and the evidence supports this argument.
B.
encourage marijuana use, but the evidence does not support this argument.
C.
discourage marijuana use, and the evidence supports this argument.
D.
discourage marijuana use, but the evidence does not support this argument.
【多选题】按照《1990年美国对外贸易定义修订本》的规定，后面必须加上“Vessel”才能与《2000通则》种的解释相同的术语有（）
A.
EXW
B.
FOB
C.
DES
D.
FAS
E.
CFR
【单选题】边沿D触发器逻辑符号如下,其输出状态变化应该发生在时钟CP( ),若D=1,则时钟作用下,输出Q为( )。
A.
上升沿，1
B.
下降沿，1
C.
上升沿，0
D.
下降沿，0
【单选题】Survey results indicate that smoking and alcohol and marijuana use increased among residents of Manhattan during the 5-8 weeks after the terrorist attacks on the World Trade Centre which took place on...
A.
alcohol
B.
marijuana
C.
cigarettes
D.
cocaine
【单选题】边沿型D触发器的逻辑符号如图所示，其输出状态的变化，发生在时钟脉冲CP的；已知输入端D=0，在CP触发边沿作用下，其输出端Q为。【图片】
A.
上升沿， 1
B.
下降沿， 1
C.
上升沿， 0
D.
下降沿， 0
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