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【单选题】
受体阻断药(拮抗药)的特点是A.
对受体有亲和力而无内在活性
B.
对受体无亲和力而有内在活性
C.
对受体有亲和力与内在活性
D.
对受体的亲和力大而内在活性小
E.
对受体的内在活性大而亲和力小
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反馈参考答案：
举一反三
【简答题】单词拼写。 1. John lives in France but has British______(国籍). 2. Chairman Mao spoke with a strong Hunan _____(口音). 3. What a bad _____(气候) it is! I can't stand it. 4. It is a _____(传统) in China to eat moon...
【简答题】人工智能从概念到产业的爆发需要具备的要素分别是 ( )、( ) 、( )和场景 。
【单选题】The chairman spoke so forcefully that the rest of the committee yielded____his opinion.
A.
on
B.
for
C.
from
D.
to
【单选题】When there’s a doubt, the chairman’s decision is ( ).
A.
right
B.
definite
C.
fixed
D.
final
【单选题】The little girl said she met us yesterday, buy we didn’t remember _________ her.
A.
meet
B.
met
C.
to meet
D.
meeting
【单选题】The Chairman seldom talked much at these meetings, but his gestures and noises spoke ______.
A.
forums
B.
values
C.
volumes
D.
horrors
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