【单选题】【消耗次数：1】
药物与特异性受体结合后，可能激动受体，也可能阻断受体，这取决于：
①
药物的作用强度
②
药物的剂量大小
③
药物的脂/水分配系数
④
药物是否具有亲和力
⑤
药物是否具有内在活性
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相关题目
【单选题】
药物与特异性受体结合后，可能激动受体，也可能阻断受体，这取决于
①
药物的作用强度
②
药物的剂量大小
③
药物的脂/水分配系数
④
药物是否具有亲和力
⑤
药物是否有效应力（内在活性）
【单选题】
pD2值可以反映药物与受体亲和力，pD2值大说明
①
药物与受体亲和力大，用药剂量小
②
药物与受体亲和力大，用药剂量大
③
药物与受体亲和力小，用药剂量小
④
药物与受体亲和力小，用药剂量大
⑤
以上都不对
随机题目
【单选题】
9.The old farmer, ____the badly injured and burnt soldier, came out of the burning farmhouse, calling continuously for help.
①
supporting
②
having supported
③
being supported by
④
being supported
【单选题】
5.____the front door____, he had to enter the room through the back door.
①
Seen, painted
②
Seeing, painted
③
Being seen, being painted
④
Seeing, being painted
【单选题】
16. As I will be away for at least a year, I’d appreciate____ from you now and then so that I can know how everyone is getting along.
①
having heard
②
to hear
③
hearing
④
beingheard
【单选题】
7.He looked around and caught a man____his hand into the pocket of a passenger.
①
put
②
to be put
③
to put
④
putting
【单选题】
14.The thief fell to the ground，his left foot ____and blood ____down from his mouth.
①
breaking; running
②
broken; running
③
breaking; run
④
broken; run
【单选题】
18.- Did you get a dictionary?- No, I _____, but there were not any _____.
①
tried; to be left
②
had tried to; leaving
③
tried to; left
④
had tried; have left
【单选题】
4.____the diamond, he had to look for a place to hide it.
①
Having stolen
②
Having been stolen
③
Stolen
④
Stealing
【单选题】
12.You can’t imagine what great trouble they have ____the problem____.
①
to solve; being talked about
②
solving; discussing
③
to solve; to talk about
④
solving; being discussed
【单选题】
6.And there, almost____in the big chair, sat her little brother, who never had to be told to keep quiet.
①
having lost
②
losing
③
to be lost
④
lost
【单选题】
17.____, the subject was always in my mind.
①
Walking or sleeping
②
Walking or slept
③
Having walked or slept
④
To walk and sleep