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【单选题】
矩形双曲线反映了受体─配体结合的哪一种特性A.
高度亲和力
B.
高度专一性
C.
可饱和性
D.
可逆性
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反馈参考答案：
举一反三
【单选题】听力原文：M: I tell you, I'm not sure how much longer I can keep waking up for these early morning classes. W: Well, you've never been an early riser. Maybe you should remember that when you choose your cl...
A.
Go to bed earlier.
B.
Wake up earlier in the morning
C.
Register for later classes.
D.
Use an alarm clock to wake up
【单选题】I’m not sure how much longer I can _____, because this is really a tough job.
A.
hang out
B.
hang on
C.
hang up
D.
hang around
参考解析：
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