我国古代最早推算出圆周率的伟大数学家是 A.贾思勰 B.祖冲之 C.张仲景 D.

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问题:

我国古代最早推算出圆周率的伟大数学家是

A.贾思勰

B.祖冲之

C.张仲景

D.郦道元

考点:书画艺术:王羲之(书圣),顾恺之(《女史箴图》、《洛神赋图》)祖冲之和圆周率范缜的《神灭论》石窟艺术:云冈石窟、龙门石窟
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四、根据中文完成短语: (共10小题;每小题0.5分,满分5分)

51. ____________(接受我的建议), you will surely win.

52. It seemed that the teacher ____________(对……满意)his answer, for his head was nodding with satisfaction all the time.

53. It is very important and necessary to warn people especially the young to ____________(远离)drugs.

54. After a long and heated discussion, the group finally ____________(达成共识)the new program of promoting their products.

55. Though high in price, those products ____________(高质量)always sell well in the markets full of fierce competition.

56. The book on Shenzhou Ⅵ is ____________(销售中)now. Why not go and have a look this afternoon?

57. Wherever you are and whenever it is, we should always ____________ safety ____________(记在心里).

58. The dictionary I bought today ____________(相似)the one you bought last week but is of a different price.

59. ____________(依我看), if taken according to the directions, this medicine has no side effect to people.

60. We should be pay special attention to the development of the situation. We should also tell our friends to be careful of it ____________(也).

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在生命周期理论中,面对初步成熟的企业职工,领导者应采用的领导方式为( )

A.命令式领导

B.说服式领导

C.参与式领导

D.授权式领导

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在正常使用条件下,屋面防水工程的最低保修期限为()。

A、2年

B、3年

C、5年

D、8年

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型号为AES500-1.6/1.4-54-6/25-4I的管、壳程设计压力分别为为()MPa。

A、6;25

B、1.6;1.4

C、1.4;1.6

D、25;6

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离心式空压机每季度维护内容油那些?

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