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【判断题】
岛屿上生物种类的多少取决于岛屿与大陆的远近。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】琥珀胆碱的肌松作用机制是:
A.
使ACh合成和释放减少
B.
使ACh合成和释放增加
C.
激活胆碱酯酶，使ACh破坏增多
D.
直接与N2-受体结合，引起类似ACh的除极化，使ACh不能兴奋终板
【单选题】听力原文：M: How much are the carnations and tile roses? W: One dollar for each carnation and (9)one and a half for each red rose. M: (9)Then I'd like a dozen red carnations and half a dozen red roses. W: ...
A.
Birthday of the man's mother.
B.
Mother's Day.
C.
Mother's Day and the birthday of the man's mother.
D.
Mother's Day and the lady's birthday.
【单选题】听力原文：M: How many rooms do you want in a house? W: Well, to begin with, one bedroom for each of the children and one for us. And I want a bath room, a big kitchen and a living room with lots of sunligh...
A.
One.
B.
Two.
C.
Three.
D.
Four.
【单选题】听力原文：W: One dollar for one hot dog. M: I'll take six, please. Q: How much will the man pay? (21)
A.
One dollar.
B.
Five dollars.
C.
Six dollars.
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