发火点的定义?

题型:问答题

问题:

发火点的定义?

考点:危险化学品安全管理安全管理安全管理题库
题型:问答题

根据对话内容,从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

— What do you think I ought to see first in London? I'm told one ought to see the British Museum. Do

      you think I shall have time for that?

—   1    But if I were you, I should leave that for some other day. You could spend a whole day there.

    It's much too big to be seen in an hour or so. 

—  I suppose it is.   2   .

— That's not a bad idea. You could spend a couple of hours there comfortably, or even a whole afternoon,

     watching the wild animals and all those birds. You could have tea there too.

— I'll do that, then. How do I get there?

—   3    Where are we now? Oh, there's that big building. I think your best way from here is to take Baker

    Street.

   4   .

— Oh, no, a quarter of an hour or so, but, if you're in a hurry, why not take a taxi?

— I think I will.    5   Taxi!

A. Let me see.

B. Well, you might.

C. What time is it now?

D. Is it much of a walk?

E. Ah, here's one coming.

F. What about going to the Zoo?

G. Must I stay in London for long?

题型:问答题

耐张塔的底宽与塔高之比为()。

A、1/2~1/3;

B、1/4~1/5;

C、1/6~1/7;

D、1/7~1/8。

题型:问答题

下面关于审慎的说法中,错误的是()

A.它是一种道德品质

B.它是一种处事态度,多是由后天修养练习获得的

C.有利于医疗质量的提高,并可防止医疗差错事故

D.有利于良好职业道德的培养

E.可使业务能力和技术水平大幅度提高

题型:问答题

()是陆地生态系统的主体,被誉为“地球之肺”。

A.森林

B.湿地

C.草原

题型:问答题

被称为美国独立战争号角的政论小册子《常识》的作者是()

A.塞缪尔•亚当斯

B.艾赛亚•托马斯

C.托马斯•佩因

D.本杰明•富兰克林

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