经典物理学的奠基人是______,相对论的创立者是______.

题型:填空题

问题:

经典物理学的奠基人是______,相对论的创立者是______.

考点:物理常识
题型:填空题

下列各项中,属于生物的是(  )

A.电脑病毒

B.珊瑚

C.珊瑚虫

D.智能机器人

题型:填空题

根据对话情景和内容,从对话后所给的选项中选出能填入空白处的最佳选项,并在答题卡上将该选项涂黑

After getting a good grade on her history essay, Ellen talks to Shirley after class one day.

Ellen: Shirley, can I talk to you for a minute?

Shirley:  小题1:  I have to rush to my next class.

Ellen:   小题2: It’s about my history essay.

Shirley: Oh, that. I hope you aren’t still having trouble with it.   小题3:  

Ellen: No, no! I handed it in on time and the professor just returned it to me. Thanks to you, I got a B+. That’s the best grade I’ve had on an essay this year!

Shirley:   小题4:  I’m glad you’re happy about it.

Ellen: I am, Shirley. And to express my thanks, I’d like to give you something. Here.

Shirley:   小题5:  

A.What a beautiful pen! Thank you!

B.Sure, if it’s only a minute.

C.It was due a while ago.

D.History has always been your headache.E. Congratulations!

F. You don’t need to thank me for that.

G. This won’t take long.

题型:填空题

在液压系统中由于油泵、油缸的效率损失过大,油箱散热条件较差,会造成系统()故障产生。

A、噪声

B、爬行

C、泄露

D、油温过高

题型:填空题

各级肌力描述中错误的是()

A.1级:肌完全不能收缩,为完全瘫痪

B.2级:肌收缩可使关节活动,但不能对抗重力

C.3级:能有关节活动,但不能对抗阻力

D.4级:能对抗一定阻力,但肌力较弱

E.5级:肌力正常

题型:填空题

明人称为“形胜之取”、全辽根本的辽西城邑是:()

A、广宁

B、辽阳

C、开元

D、山海关

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