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问题 单项选择题

药物与受体结合时采取的构象为（）

A.最低能量构象

B.反式构象

C.优势构象

D.扭曲构象

E.药效构象

答案

参考答案：E

解析：本题考查药物与受体结合时采取的构象。药物与受体结合时采取的构象为药效构象，其余均为干扰答案，故本题答案应选E。

阅读理解
在校园网上校长与学生在线对话引起了强烈的反响。下面是一些学生提出的问题和校长给予的回答，请你将学生的问题与校长的回答一一配对。
Students’  questions
Headmaster’s  answers
小题1:Which do you think is the best middle school in our town?
A. I think they are all very great. They work really hard. They are all good at teaching and they are good with you all.
小题2:In your dream, what are students in our school like?
B. We know it’s very important for everyone to study subjects and learn other things. I think you should know what you like to do first, and then try to do it better. But you should also try to study better. It’s good for you to find a good job.
小题3:What do you think of our teachers?
C. I think our school is the best. Because you are the greatest, and we also have so many great teachers here. And your parents send you here, because our school is the best.
小题4:I want to join some clubs, but there are not many clubs in our school. Why not have more clubs for us?
D. Every student likes our school and likes to study. They are good at schoolwork and other things. They are smart and healthy. They love their parents and teachers, too.
小题5:I’m not good at all subjects. I hate to study. But my parents want me to study. What can I do?
E. It’s a piece of good advice. We have some clubs for Grade 7 students now. And we are going to have more clubs for all students. I hope every student can have a good time at school.
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名词解释

中美望厦条约
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