焊条的长度一般为()。A.250~450mm B.350~550mm C.500~6

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问题:

焊条的长度一般为()。

A.250~450mm

B.350~550mm

C.500~600mm

D.600~800mm

考点:焊工技能考试电气焊工理论考试电气焊工理论考试题库
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以下是有关HCMV感染的叙述,除了

A.HCMV-IgM阳性提示现症感染或处于活动期

B.HCMV-ISC阳性提示既往或潜伏感染

C.人群中90%HCMV-IeC呈阳性反应

D.双份血清效价呈4倍以上增长提示近期活动感染

E.后天感染主要通过呼吸道传播

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一种商品的价格能同时影响该商品的供给量和需求量。()

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A jobless man wanted very much to have the position of “office boy” at Microsoft. The HR manager interviewed him and then watched him cleaning the floor as a test. “You have passed the test,” he said. “Give me your e-mail address and I’ll send you the form to fill in and the date when you may start.” The man replied, “But I don’t have a computer, neither an e-mail.” “I’m sorry,” said the HR manager. “If you don’t have an e-mail, that means you are not living. And anyone who isn’t living cannot have the job.”

The man left with no hope at all. He didn’t know what to do with only $10 in his pocket. He thought and thought. Then he went to the supermarket and bought 10 kilos of tomatoes. He sold the tomatoes from door to door. In less than two hours, he had 20 dollars. He repeated the operation three times, and started to go early every day, and returned home late. Shortly, he bought a cart , then a truck, then he had his own fleet of delivery vehicles(运货车队). Five years later, the man was one of the biggest food retailers (零售商)  in the US.

One day, one of his friends asked him for his e-mail. He said, “I haven’t got one.” His friend couldn’t believe his ears. “Can you imagine what you could have been if you had an e-mail?” The man thought for a while and replied, “Yes, I’d be an office boy at Microsoft!”

小题1:What did the man do for the test?

A.He sent e-mails.

B.He did the cleaning

C.He sold computers.

D.He filled in forms.小题2: The man didn’t get the job because he_____________.

A.disliked such a job

B.didn’t pass the test

C.didn’t have an e-mail

D.knew nothing about computers小题3:The man ______after he left Microsoft.

A.went to look for another job

B.asked for food from door to door

C.thought of an idea to make money

D.bought a computer and got an e-mail小题4:Why could the man become one of the biggest food retailers in the US?

A.Because he had many friends to help him.

B.Because he was smart and worked very hard.

C.Because he had his own fleet of delivery vehicles.

D.Because he wanted to show Microsoft he was living.小题5:What does the story want to tell us?

A.Computers are very important in our daily life.

B.Everyone can make a lot of money with only$10.

C.The HR manager didn’t find the ability of the man.

D.Nothing in the world is impossible if we work hard.

题型:单项选择题

自3世纪以后,青海地区民族 * * 更迭、民族迁徙不断,青海境内()等多种文化汇合,形成了多元文化交融并存、共同发展的雏形。

A、中西亚文化

B、本地羌文化

C、中原汉文化

D、北方草原文化

E、以上均不对

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配酸站发烟硫酸罐泄漏的处理措施有()。

A、停止向泄漏罐收酸

B、倒空泄漏罐

C、用大量水冲洗地面

D、清洗检修

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