()不是气动凿岩机常用的配气机构。A.被动配气机构 B.主动配气机构 C.控制阀配气

题型:单项选择题

问题:

()不是气动凿岩机常用的配气机构。

A.被动配气机构

B.主动配气机构

C.控制阀配气机构

D.无阀配气机构

考点:钳工技能考试采掘电钳工采掘电钳工题库
题型:单项选择题
请阅读第56-60题的电视节目内容说明和A-F六个节目名称,把它们分别配对,期中有一个为多余选项。
小题1:When you need help with homework, go to the library. You may find magazines, newspapers, and big dictionaries there. They can always help you.
A. Money isn’t Everything
小题2:For families with children, an important problem is to get the children away from TV and let them do their homework.
B. American Films
小题3:Even if you could buy the world, you couldn’t buy a happy family, good friends, or knowledge.
C. Farms in the future
小题4:The Lost World is an exciting American film. People, especially school students, may like it.
D. Study Tools
小题5:People will grow plants and vegetables in the sea in about 50 years.
E. Parents’ Trouble
 
F. Children’s problem
题型:单项选择题

In order to increase the______ of the farm______, our government offers a lot of money to the peasants every year.   

A.products; produce

B.produce; production

C.production; produce

D.production; products

题型:单项选择题

布氏杆菌病损伤的器官很广泛,其中以哪种器官为主()

A.脾脏

B.肝脏

C.睾丸

D.骨关节系统

E.脑膜炎

题型:单项选择题

试述环境侵权及分类?

题型:单项选择题

关于国际物流的说法哪些是正确的?()

A.国际物流发货流程与国内物流差不多

B.国内物流运送时间短,国际物流运送时间长

C.国内物流运费差异小,国际物流运费差异大

D.国际物流也可以找到货代进行发货

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