题目内容

小辛的正名是

A. 青果
B. 佩兰
C. 金银花
D. 细辛
E. 茜草

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自中国证监会核准发行之日起,发行人应在6个月内发行股票;超过6个月未发行的,核准文件失效,须重新经中国证监会核准后方可发行。()

A. 对
B. 错

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Conversation 2[听力原文] 9-10M: Good morning. (10) Will you book a plane ticket to London for meW: (10) Yes, sir. What time would you like to leaveM: (9) Next Tuesday, if possible.W: (9) That’ll be the 21st of December.M: Yes, that’s right.W: There are several flights available.M: Would you check what flights are available on the 21st of December.’W: (10) All right. Let me check it over.M: Morning flights will be prefect.W: Yes, sir. There is a flight available that day, at 10:00 a.m.M: Fine. I’ll take that flight, then.W: 10:00 a.m. (10) I’ll fix your ticket.M: When do I check inW: You must be there by 9:00 a.m.M: Thank you. What time would he like to leave()

A. Tuesday.
B. The 20th of December.
C. The 21st of December.
D. Next Thursday.

在黄酮类化合物中,查耳酮()

A. 三碳链的2,3位上有双键,而3位无羟基
B. 三碳链的2,3位上有双键,而3位有羟基
C. 三碳链的2,3位上无双键,而3位无羟基
D. 三碳链的2,3位上无双键,而3位有羟基
E. 三碳链的1,2位处开裂,2,3位与4位羟基构成α,β-不饱和酮

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