离心机按照转速和离心力场的不同可分为普通转速、高速、超速、超高速离心机，离心机如果天

唐朝时，狄仁杰到京都任职，武则天对他说：“你在南郡任职，治理得很出色。但是有许多人在背地里诽谤你，你想知道哪些人是谁吗？”狄仁杰却说：“我本不知道那些同僚诽谤我，既然不知道，那么大家仍能相处的很好，因而我不想知道他们的名字。”武则天听后，很赞赏他非同一般的宽宏气量。

（1）从材料中可以看出狄仁杰具有什么美德？

________________________________________________________________________________

（2）这种美德的内涵是什么？

________________________________________________________________________________

（3）生活中为什么需要这种美德？

________________________________________________________________________________

第二节 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 the British Museum .Do you think I shall have time for that?

—    61   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   62    

—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 al those birds. You could have tea there too.

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

—    63     Where are we now? Oh, there’s a big building .I think your best way from here is to  take Baker Street.

—    64    

—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.   65     Taxi!

A．Let me see. you might.

B．Will 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

农业上常用质量分数为10%--20%的食盐溶液来选种．若现在需要200Kg的质量分数15%的食盐溶液，需食盐与水的质量分别是（　　）

A．15Kg、185Kg

B．30Kg、170Kg

C．60Kg、140Kg

D．20Kg、180Kg

关于折算荷载的叙述，下列哪一项不正确（）。

A．为了考虑支座抵抗转动的有利影响，采用增大恒载和相应减少活荷载的办法来处理

B．对于板其折算荷载：折算恒荷载，折算活荷载

C．对于次梁其折算荷载：折算恒荷载，折算活荷载

D．对于主梁其折算荷载采用次梁的折算荷载

水泵按压力可分为哪几类？