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/

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）

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

A．exercises

B．exercise

C．to exercise

D．exercising

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

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.

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