题目内容

科学的基本面分析，通常第一个步骤应该是（）。

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听力原文：W: Bob, can we really afford a holiday？
M: Of course, both of us work so hard that we deserve a holiday.
W: Shall we go to Sweden？
M: Sweden's colder than Sheffield. I'd rather not to go to Sweden.
W: What about Florida？ It's warmer than Sheffield.
M: Yes, but it's a long way.
W: Then let's go to Hawaii.
M: You must be joking. How much would it cost for the two of us？
W: Well, where do you really want to go？
M: Why can't we reach a conclusion？
(13)

A. Going to Sweden.
B. How to work hard.
C. Spend a holiday in Florida..
D. Where to spend the holiday.

导致事故的化学性危险和有害因素的是（）。

【B4】

A. in
B. among
C. out of
D. with

《党政机关公文处理工作条例》规定版记部分应该写印发单位名称。( )