在测量弹性模量实验中,用()法测量钢丝的弹性模量,用加减砝码的方法测量是为了消除()

题型:填空题

问题:

在测量弹性模量实验中,用()法测量钢丝的弹性模量,用加减砝码的方法测量是为了消除()所产生的误差。

考点:物理学物理学题库
题型:填空题

缺词填空(共10空;每空1分,计10分)

根据短文内容和首字母提示,在下文空格处填入适当的词使短文完整。(每空一词)

As you know , Mark Twain was a f ___小题1:____ writer . He was born in a poor family . It was difficult for him to get some money when he was young . One day , he was invited to give a talk and after that he was asked if he could r____小题2:_____ the first money he ever earned (挣). He had thought a long time before he answered and then said , “Yes , it was at school . I can remember e____小题3:_____ about it . Pupils in those days didn’t respect (尊敬) their teachers and didn’t take c­­___小题4:____ of school property (财产). Some of them often broke the windows and doors , the others cut something on the desks . S____小题5:____ a rule (规定)was made in our school that any boy who did that would be beaten (被打) in front of the whole school , or would have to p____小题6:_____ five dollars .”

“ One day I cut a mouse on the desk with a knife . I had to give five dollars to the school or be beaten before the w____小题7:____ school . So I had to tell my father about it . My father said it would be very bad to have our family disgraced(羞辱) in front of the whole school . He agreed to give me five dollars to hand over to the headmaster(校长).But before g____小题8:____ me the money , he took me upstairs(楼上) and gave me a beating . But as I had one beating and got used to(习惯) it , I d_____小题9:____ I would take another beating at school and leave the five dollars to m_____小题10:______ . So that’s what I did . That was the first money I ever earned .”

题型:填空题

样衣制作必须根据客户提供的款式图或来样设计结构图及纸样,通常选择( )进行结构设计。

A.小号规格尺寸

B.中号规格尺寸

C.大号规格尺寸

D.A与B

题型:填空题

压缩机组径向轴承、止推轴承的名称及性能?

题型:填空题

要将左图所示的分帧页面转变成右图所示的分帧页面,应执行的操作是( )

A.按住“Alt”键同时将鼠标移到图1下部左边框,等图标变成双向箭头时,拖动到图2中添加的位置。

B.单击“Modify”下拉菜单的“Frameset”级联菜单中的“SplitFrameLeft”命令。

C.首先在“FrameInspector”中选中代表图1下部的帧的图像,然后按住“Alt”键同时将鼠标移到图1下部左边框,等图标变成双向箭头时,拖动到图2中添加的位置。

D.首先按下“Alt”键并用鼠标在图1下部的帧上单击,然后按住“Alt”键同时将鼠标移到图1下部左边框,等图标变成双向箭头时,拖动到图2中添加的位置。

题型:填空题

驾驶机动车上道路行驶,不允许超过限速标志标明的最高时速。

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