局部瓦斯积聚是指瓦斯浓度达到(),体积在0.5立方米以上的积聚。 A.1.0% B.

题型:单项选择题

问题:

局部瓦斯积聚是指瓦斯浓度达到(),体积在0.5立方米以上的积聚。

A.1.0%

B.1.5%

C.2.5%

D.2.0%

考点:凿岩爆破工考试凿岩爆破工考试题库
题型:单项选择题

任务型阅读。

   In Thailand (泰国), there are many elephants. They are very useful. They can carry heavy things so

they can help people do a lot of hard work. And they are very clever. They can act and dance.

Sometimes they can play with people. Many people go to Thailand to have fun with the elephants. It’s

very interesting.

   But do you know there is a festival for the elephants in Thailand? It is called Elephant Day. It comes at

the third weekend of November. On that day, the elephants don’t work or act. They can have a good

rest. (2) People give them much good food like fruit and vegetables. People also have some activities for

them. On that day, the elephants can wear colourful clothes and eat nice food. They enjoy themselves a

lot then.

1. 请在文章中找出这个句子 "Many people go to Thailand and play happily with the elephants" 的同义句。

    _____________________________________________________.

2. 请把文章中的(2)句翻译成中文。

    _____________________________________________________.

3. When is Elephant Day?

    _____________________________________________________.

4. The best title (标题) for this passage is __________.

A. Thailand  

B. Elephants  

C. Festival for elephants  

D. Dancing

题型:单项选择题

门静脉高压症分流术后下床活动时间通常至少为()

A.术后8小时

B.术后第3天

C.术后1周

D.术后10天

E.术后2周

题型:单项选择题

下列关于马可?波罗的叙述正确的是

①1271年,马可?波罗来到中国②马可?波罗受到元世祖忽必烈的赏识

③马可?波罗在中国生活了17年④马可?波罗亲笔写成了《马可?波罗游记》一书 [ ]

A.①②③④

B.②③

C.③④

D.①②③

题型:单项选择题

龙卡(双币种)信用卡透支息的收取方式是()。

A、按月记收复利

B、按日记收复利

C、按旬记收复利

C、按季记收复利

题型:单项选择题

碳二加氢反应器正常停车前将各段入口温度降低,防止反应器飞温。

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