如何检查ZYJ7道岔的卡阻现象?

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问题:

如何检查ZYJ7道岔的卡阻现象?

考点:铁路信号工高铁信号工高铁信号工题库
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WASHINGTON---Worldwide sales of personal computer in 1995 rose 24.7 percent over 1994 with Compaq(美国康柏电脑公司)holding its first—place position while IBM overcame(击败)Apple for the No.2 slot (表上排名),according to Dataquest.

A total of 59.7 million computers were sold around the world with important gains(获得)in Japan and Europe.

Compaq sold 5.99 million computers ,or 10percent of the market ,unchanged from 1994.

IBM sold 4.7 million with an 8 percent share of the market compared with 8.2 percent in 1994 .

Apple sold 4.7 million ,or 7.8 percent of the trade ,compared with 8.4 percent in 1994.

Their lost market share was taken up by Packard Bell and NEC ,which sold 3.1 million and 2.8 million computers separately.

56.Which company was the first in selling computers in 1994?

A.Compaq     B.IBM   C.Apple D.NEC

57.Which company sold the third most computers in 1995?

A.Compaq     B.IBM   C.Apple D.NEC 

58.What was the market share of Compaq in 1994?

A.5.99%         B.8.2%  C.8.4%  D.10%

59.Packard Bell and NEC take up about            of the market share in 1995.

A.8.2%  B.52%   C.10%   D.5%

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良性神经瘤好发的部位有()

A.眼眶

B.舌

C.咽

D.头颈部

E.肢体周围神经

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患者,女性,55岁,因脑出血昏迷1年余,每日给鼻饲、翻身等处理,眼睑不能闭合,有尿失禁已留置尿管。

保护患者眼睛,最好的方法是

A.液状石蜡纱布覆盖

B.眼周擦润滑剂

C.定时点眼药水

D.凡士林纱布覆盖

E.按揉到闭合

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某厂生产费用今年比去年增加了12.5%,产量增长了8%,则单位成本()。

A、降低了4.5%

B、增长了4.5%

C、增长了21.5%

D、增长了4.2%

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对原有路面强度的测定是路面补强设计的次要依据。

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