示位标该装置的总重量不超过()A、5公斤 B、8公斤 C、10公斤

题型:单项选择题

问题:

示位标该装置的总重量不超过()

A、5公斤

B、8公斤

C、10公斤

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题型:单项选择题

已知集合A={x|y=lg(2x-x2)},B={y|y=2x,x>0},R是实数集,则(CRB)∩A=[ ]

A.[0,1]

B.(0,1]

C.(-∞,0]

D.以上都不对

题型:单项选择题

阅读理解。

     Mr. and Mrs. Smith has their only son, Jack. Jack has a very small head. He only likes science(科学). He doesn’t like other lessons. He likes to break things and mend them again. And he likes making things.

Today he wants to make a robot. He wants it to have classes and do homework for him.

     His parents think something is wrong with his head. They want to see a doctor. They want the doctor

to mend his head or make a new one for him.

1. Jack is a ______ .

A. student

B. teacher

C. doctor

D. robot

2. There are people in Jack’s family______ .

A. two

B. three

C. four

D. five

3. Jack doesn’t like to ______ .

A. study science

B. study math(数学)

C. break things

D. make things

4. Jack wants to today______ .

A. see a doctor

B. mend his bike

C. do his homework

D. make a robot

5. Do they have to(不得不) see a doctor?

A. I think so.

B. I don’t know.

C. I don’t think so.

D. Yes, they do.

题型:单项选择题

有人晕车,这与下列哪些结构有关(  )

A.听小骨

B.鼓膜

C.前庭和半规管

D.耳蜗

题型:单项选择题

在预测目标公司的贡献现金流量时,可按股权基础进行,也可按运用资本基础进行,两种方法的估价结果与意义相同。

题型:单项选择题

电信人员执照由()统一办法和管理。

A、中国民用航空局

B、民用航空地区管理局

C、民用航空地区空管局

D、民用航空监管局

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