工业机器人运动自由度数,一般()A.小于2个 B.小于3个 C.小于6个 D.大于6

题型:单项选择题

问题:

工业机器人运动自由度数,一般()

A.小于2个

B.小于3个

C.小于6个

D.大于6个

考点:机械工程工业机器人工业机器人题库
题型:单项选择题

文中共有10处语言错误,其中一处需要加一词,一处需要删一词,其他八处需要修改,每句最多两处错误。

Mr Wang is my physics teacher. He has 1.75 meters in the height. He was born in November 4, 1952. So he is a middle-aged man. He graduated Qinghua University in 1983. After graduation, he becomes a middle school teacher. He has been taught physics for more than 20 years. He is very succeed as a teacher. He has been given a lot of honor. He not only is a good teacher in physics but also speak English and Russian very well. In his spare time, he likes reading books, collect stamps  and listening to music. Also, Mr Smith is kind-hearted.

题型:单项选择题

同一时刻,一定空间内,______,燃烧反应就越______.

题型:单项选择题

根据对话内容,在每个空白上一个适当的句子,使对话意思完整、正确。

A: Lovely day, isn't it?

B: Oh, yes, beautiful.

A: 1__________________________________________?

B: No, I'm from Spain, I'm learning English here.

A: 2___________________________________________?

B: For three years now.

A: For three years? Goodness me! 3__________________________________________.

B: Thank you. And there's still a lot for me to learn.

A: 4____________________________________________

B: Another two months. Then I'll have to go back to Spain to start work.

A: A cousin of mine went to Spain last year. He's an engineer.

B: Really? 5___________________________________?

A: He must like it very much, because he hasn't come back yet. I hope you enjoy your staying in England.

B: Thank you. I'm sure. I will.

题型:单项选择题

出生时存在,生后数月消失的反射是()

A.巴彬斯基征

B.颈肢反射

C.吸吮反射

D.吞咽反射

E.提睾反射

题型:单项选择题

结束当它的读数为100V时,流过电压表的电流是()mA。

A.0.2

B.0.5

C.2.5

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