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【简答题】
受体作用的特点是( ) A．高度专一性 B．低亲和力 C．可饱和性 D．不可逆性
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举一反三
【单选题】On what point do the conservationists and politicians agree?
A.
Wool exports are vital to the economy.
B.
The fence poses a threat to the environment.
C.
The fence acts as a useful frontier between states.
D.
The number of dogs needs to be reduced.
【单选题】Politicians need to be careful what they do or they will damage their public _______.
A.
picture
B.
illustration
C.
depiction
D.
image
【单选题】(Relying on) these convenient metaphors, politicians and military commanders do not see, or do not want to see, what these metaphors (hide): the reality of pain and death, the long-term health effects...
A.
Relying on
B.
hide
C.
for the injury
D.
effect on veterans
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