管道吹扫时应达到怎样的质量标准?

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问题:

管道吹扫时应达到怎样的质量标准?

考点:汽机巡检员考试汽机巡检员考试题库
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A. Tips on playing tricks on April Fool’s Day

B. How France celebrate April Fool’s Day

C. An example of April Fool’s Day tricks

D. At what time Brits and the Danish celebrate April Fool’s Day

E. How Brits and the Danish celebrste April Fool’s Day

F. How April Fool’s Day began

Just joking around

April Fool’s Day has just gone. Maybe you have played tricks on your family and friends. Read on. You might be able to surprise them with some history and fun facts about the holidays as well.

小题1:___________

Imagine that a friend of yours calls you or sends a short message to you. “ Did you hear? Scientists have discovered a panda that can talk. I saw it on the news!” If you hear a crazy story like this, make sure to check the date. If it’s April 1, it might be an April Fool’s Day trick!

小题2:___________

April Fool’s Day is also known in some places as All Fool’s Day. No one knows for sure how it started. Some believe the history of April Fool’s Day goes back to the 16th century when Europeans made January the start of the new year insead of April. Those who still celebrated the New Year on April 1 became known as “April fools ”. People began playing tricks on them.

小题3:__________

Today, almost 500 years later, April 1 is still a day when tricks are played on people in a spirit of fun. France calls this day Poisson d’Avril,which means “ April fish”. Children tape a picture of a fish onto their friends’back and shout “ Poisson d’Avril”.

小题4:___________

The UK only celebrates April Fool’s Day in the morning, as Brits believe it is bad luck to play jokes in the afternoon. In Denmark, people play tricks on April 1 and celebrate again on May 1.

小题5:___________

Remember, no matter what trick you play, be sure that it’s safe and not mean. April Fool’s Day isn’t fun if someone’s crying.

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现在国际上有一种说法,“美国的消费,中国的投资”。中国的投资拉动对全球经济增长非常重要,万一中国投资减缓,世界经济很可能就要出问题。这反映了当今世界( )

A.生产的全球化

B.资本的全球化

C.贸易的全球化

D.技术的全球化

题型:问答题 简答题

解释计划工作如何包含今天的决策和它怎么影响未来的决策。

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测定中药中水分的方法有();()、减压干燥法、费休氏水分测定法。

题型:问答题 简答题

容器在载荷的高应力作用下,超过材料的屈服极限而产生(),最后导致断裂。

A.塑性变形

B.脆性破坏

C.疲劳破坏

D.腐蚀破坏

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