反冲洗泵机油盒的油位应在()之间。 A.1/3~1/2 B.1/2~2/3 C.1/

题型:单项选择题

问题:

反冲洗泵机油盒的油位应在()之间。

A.1/3~1/2

B.1/2~2/3

C.1/3~2/3

D.2/3~3/4

考点:油气田水处理工考试初级油气田水处理工考试初级油气田水处理工考试题库
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阅读材料回答:(6分)

【材料一】“上古之世,人民少而禽兽众,人民不胜禽兽虫蛇。”

——《韩非子》

【材料二】“民食果瓜蚌蛤,腥臊恶臭,而伤害腹胃,民多疾病。有圣人出,钻木取火,以化腥臊,而民悦之,使王天下,号之曰:‘燧人氏’。”

阅读材料请回答: 

在材料一所述的险恶的环境下,北京人只有过什么样的生活?(1分)

②结合生活常识,请你分析火对远古原始居民有哪些作用。 (3分)

③火的使用在人类的发展过程中有什么意义?(2分)

题型:单项选择题

Grandfather  doesn’t often     So he isn’t good in heath.

A.exercises

B.exercise

C.to exercise

D.exercising

题型:单项选择题

我国习惯上所称的工业,不包括()。

A.制造业

B.采矿业

C.电力、燃气及水的生产和供应业

D.房地产业

题型:单项选择题

A client calls the physician's office 2 days after a herniorrhaphy to report that his scrotum is swollen and painful. Which of the following instruction by the nurse could promote comfort for the client

A.Apply a snug binder on his abdomen.

B.Have him wear a truss to support the scrotum.

C.Have him lie on his side and place a pillow between his legs.

D.Elevate the scrotum and place ice bags on the area intermittently.

题型:单项选择题

所谓特殊婚配是相对于()而言的。

A.理想型

B.普通型

C.典型性

D.传统型

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