非金属材料制作的密封件,它们在H2S环境中使用一定时间后,橡胶会产生鼓泡胀大、失去弹

题型:判断题

问题:

非金属材料制作的密封件,它们在H2S环境中使用一定时间后,橡胶会产生鼓泡胀大、失去弹性;浸油石墨、石棉绳上的油被溶解等而导致密封件的失效。

考点:井控知识考试井控理论知识井控理论知识题库
题型:判断题

阅读理解。

Eat what you like

     Do you usually want to avoid eating any spicy (辛辣的) food? Do you always regret drinking much fizzy

(起泡的) drink? Well, now it's time for you to hold a chance to change the things. You'd better try taking our

Gasgo and begin to feel the difference.

24 hours to success

     Do you regret not working hard at school? Do you want to improve your languages? With Polyglot's system,

you can learn to speak any language in 24 hours! Try following our system and see how different it is from the

rest. Why not make an early start in a class today?

You're never too old to surf

     Do you want to surf the Internet but think you're too old to start learning new skills? If so, why not take a

course at Compu Wiz? We promise to make you master a computer whatever your age. Don't forget to call us

before July lst at 28190818, and receive a 50 % lower price on lessons.

Click and Shop

     Do you always go shopping at the supermarket and often forget to buy something? If you do forget

something, we believe you never want to go back for it. But with Webshop, our new Internet shopping service,

you won't have to. Also avoid standing so long to pay for what you get. Start shopping online now.

1. If you don ' t like to eat something spicy or drink something fizzy, you may try _____ to see how different

     it is.

A. Gasgo

B. Polyglot

C. Webshop

D. Compuwiz

2. Try to _____ and you will learn any language in a very short time.

A. click on the web shop

B. take the Gasgo

C. follow Polyglot's system

D. call at 28190818

3. If you _____ before July lst, you can save 50 % of your money.

A. do shopping with Webshop

B. hold a chance to try Gasgo

C. start early with Polyglot's system

D. learn surfing the Internet at Compu Wiz 

4. With Webshop, you _____.

A. often forget to buy what you need

B. have to stand to pay for the things

C. don't have to stand in line to pay for your things

D. can ' t go back to buy what you forget

5. According to the passage, one can ____.

A. take a surfing course at Webshop in a class

B. possibly learn to speak English in 24 hours

C. try taking Gasgo food or drinks when he is old

D. do shopping on line without paying for his things

题型:判断题

下颌基托后缘应止于

A.磨牙后垫前缘

B.磨牙后垫的前1/3~1/2

C.磨牙后垫的前1/2~2/3

D.磨牙后垫的2/3到后缘

E.磨牙后垫后缘

题型:判断题

某公司只要注册资金在150万元人民币以上,有10名经检验检疫机构考试合格并取得报检员资格证的人员,就可在检验检疫机构办理代理报检单位注册。 ( )

题型:判断题

如果在集装箱货运站进行货物交接,以下表述有误的是()。

A.通常情况下,发货人自行负责将货物送到集装箱货运站

B.承运人或其代理人在(出口国的)集装箱货运站以原形态接受货物并负责安排装箱

C.承运人或其代理人在(进口国的)集装箱货运站拆箱并以货物原形态向收货人交付

D.由承运人协助收货人完成将集装箱货物从货运站运送到最终目的地的运输

题型:判断题

《中华人民共和国外汇管理条例》制定的原则是()

A、加强外汇管理

B、促进国际收支平衡

C、促进国民经济健康发展

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