南宋画家刘松年的山水深受下面哪一位的影响（）。A.李成 B.范宽 C.李唐 D.郭熙

室内消火栓口离地面高度应为（）米。

A.1

B.1.1

C.1.2

D.1.3

阅读下面短文并回答问题。

[1] The air we breathe is so freely available that we take it for granted. Yet without it we could not survive more than a few minutes. For the most part, the same air is available to everyone, and everyone needs it. Some people use the air to sustain them while they sit around and feel sorry for themselves. Others breathe in the air and use the energy it provides to make a magnificent life for themselves.

[2] Opportunity is just the same. It is everywhere. Opportunity is so freely available that we take it for granted. Yet opportunity alone is not enough to create success. Opportunity must be seized and acted upon in order to have value. So many people are so anxious to “get in” on a “ground floor opportunity”, as if the opportunity will do all the work. That’s impossible.

[3] Just as                                   , you need opportunity to succeed. It takes more than just breathing in the fresh air of opportunity, however. You must make use of that opportunity.’’ That’s not up to the opportunity. That’s up to you. It doesn’t matter what “floor” the opportunity is on. What matters is what you do with it.   

小题1:What is the main idea of the passage? ( no more than 8 words)

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小题2:Complete the following statement with proper words. (no more than 6 words)

There are persons who live aimlessly breathing in air and                                         .

小题3:Fill in the blank in the third Paragraph with proper words or phrases to complete the sentence. ( no more than 6 words)

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小题4:According to the author, how should we use the air? ( no more than 15words)

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小题5: What does the word “It” (Line 5, Paragraph 3) probably refer to? ( no more than3 words)

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西安从事非咨询业的人数占就业总人数的（）

A．35.5

B．36.5%

C．65.5

D．64.5%

不得从事疫苗经营活动的是

A．疫苗生产企业
B．药品零售企业
C．省级疾病预防控制机构
D．设区的市级疾病预防控制机构
E．国家疾病预防控制机构
根据《疫苗流通和预防接种管理条例》

凸轮轴的凸轮最大升程朝上时，用塞尺测量该位置的气门间隙为2.34（）mm。

A.±0.01

B.±0.12

C.±0.15

D.±0.18