测量气体压力时，取压口高度高于测量点时，对读取的测量结果（）_爱下问搜题

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问题单项选择题

测量气体压力时，取压口高度高于测量点时，对读取的测量结果（）。

A、应加正修正；

B、不需修正；

C、应加负修正；

D、无法决定。

答案

参考答案：B

阅读理解

阅读短文，根据文章的内容选择最佳答案。

Fei Junlong and Nie Haisheng, the two astronauts on China's second manned space
mission, are both selected air force pilots (飞行员), like the first astronaut Yang Liwei.
Fei, 40, is from Kunshan, East China's Jiangsu Province. He was selected as one of
the five astronaut candidates (候选人) for China's first manned space flight, Shenzhou V.

Nie, 41, is from Zaoyang, Central China's Hubei Province. He was selected as one of
the three finalists for Shenzhou V. The other two were Yang Liwei and Zhai Zhigang.

Hong Kong Disney Park is now open and many people are going there. Thousands of fans
of Mickey, Minnie, and the other Disney characters (人物) came together to celebrate its
opening day. There are a lot of toys and funny games in the park. They are bringing smiles
to kids and adults (成年人). On its opening day, there were about 30,000 visitors. Most of
them went with their family.

1. How many Chinese astronauts have been sent up into the space so far?

A. One.
B. Two.
C. Three.

2. Who was born in Kunshan, Jiansu Province?

A. Fei Junlong.
B. Nie Haisheng.
C. Yang Liwei.

3. How many visitors went to Hong Kong Disney Park on the opening day?

A. Thirteen thousand.
B. Three hundred thousand.
C. Thirty thousand.

4. These two reading pieces are probably from ______.

A. dictionaries
B. advertisements
C. newspapers

填空题

YB45包装机拆卸第一胶水缸时，首先要转动升降手杆，使胶水缸（）。