水合物的形成会造成上游天然气压力()较大,引起不安全事故发生,损坏设备和伤及人员。

题型:单项选择题

问题:

水合物的形成会造成上游天然气压力()较大,引起不安全事故发生,损坏设备和伤及人员。

A.上升

B.波动

C.下降

D.损失

考点:输气工考试输气工初级输气工初级题库
题型:单项选择题

酒精灯的火焰分______部分,______温度最高,______温度较低,______温度最低.所以在给物质加热时应用酒精灯的______加热.

题型:单项选择题

下述肺血增多X线表现,错误的是()

A.肺纹理增多

B.肺动脉段搏动增强

C.右下肺动脉影可增粗

D.肺透亮度正常

E.心腰凹陷

题型:单项选择题

根据中文提示或所给单词,写出正确的单词 (每空1分,共10分)

1. The ____________(交通) light is green. You can cross the street.

2. Many students in our class have poor ___________(视力) and they have to wear glasses.

3. Xu Xiake is ________________(出名的) in China.

4. Do you know the __________(重量) of the elephant?          

5. My uncle doesn’t like ______________( 西方的) food .

6. —Whose watches are these?   —They’re the _________ (swim) .

7. Take good care of _____________(you) when you go on a trip , boys and girls.

8. Yesterday he did his homework ____________(careful) and made many mistakes. His teacher was very unhappy.

9. After taking the medicine, he felt even _______________(bad). So he had to stay in bed .

10. He often tells us funny jokes to make us ________________ (please) .

题型:单项选择题

请描述ClearCase的特点?

题型:单项选择题

成人在秋季的睡眠时间应保证在8小时以上。()

更多题库