金属切削车床在加工工具时,是否要佩戴手套?

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问题:

金属切削车床在加工工具时,是否要佩戴手套?

考点:中石化钻井一公司关键岗位人员安全考试钻井钻机修理工钻井钻机修理工题库
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下列词语中加点的字,每对读音都不相同的一项是(  )

A.感/藉盘/城样/仿悲/

B.美/包/料花/养大/

C.纨/越市/污迫/倔米/

D.挛/头/戏/案/

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价值工程的目标在于提高工程对象的价值,它追求的是( )。

A.满足用户最大限度需求的功能

B.投资费用最低时的功能

C.寿命周期费用最低时的必要功能

D.使用费用最低时的功能

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下列哪种方法是治疗高粘综合征最重要的措施之一()

A.输入全血

B.输入浓缩红细胞

C.输入血小板

D.输入血浆

E.血液稀释

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Statistics from China (1) be mind boggling: 1.2 billion (2) , 1.73 trillion cigarettes smoked in a year, 7,000 different (3) of woody plants. But amid all of these staggering sums, one factoid stands (4) for both its audacious size and for what it says about China’s future: there are 630 million Chinese under the age of 24. That’s a lot of (5) energy to burn. Materialism may be the (6) preoccupation among China’s young people these days, but just beneath the surface lies a feeling (7) wounded nationalist pride and an ever-deepening spiritual hunger. It isn’t clear where China’s young people are headed. But this is a generation that, by its (8) size and certain talents, will (9) the world’s destiny.
Here’s another sobering statistic: this is Terry McCarthy’s 22nd, and final, cover (10) for TIME Asia-he’s leaving the region (11) three years to become TIME’s Los Angeles (12) chief. McCarthy, who has indefatigably crisscrossed Asia out of his twin bases of Hong Kong and Shanghai, was the main driver (13) this week’s superb special report on young China. He developed the story list, guided much (14) the reporting
and wrote some of the articles. All (15) planning a swank black-tie masked ball last weekend in Shanghai. "I was (16) by the willingness of individual Chinese to write for us or talk about their (17) ," McCarthy says about the special (18) . "These are the guys (19) are going to be running the country in 20 (20) ." If we’re lucky, McCarthy will be back in the region long before then.

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如果编制一个二歧式检索表以区分线虫、环节动物和蛇,你可以用以下哪些特征?()

A.辐射对称和背神经索

B.辐射对称和蠕虫状体形

C.分节和背神经管

D.分节和两侧对称

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