【单选题】【消耗次数:1】
当比例为1:50时,图上量得长度为30mm,实际长度为m。
1.5
15
0.15
30
参考答案:
复制
纠错
相关题目
【单选题】 当比例为1:50时,图,上量得长度为30mm,实际长度为
①  1.5
②  15
③  0.15
④  30
【单选题】 有一栋房屋在图上量得长度为50cm, 用的是1:100 比例,其实际长度是
①  5mm
②  50mm
③  500mm
④  5000mm
【单选题】 有一栋房屋在图上量得长度为50cm,用的是1:100比例,其实际长度是( ).
①  5m
②  50m
③  500m
④  5000m
【单选题】 有一栋房屋在图上量得长度为50cm,用的是1:100比例,其实际长度是[填空].
①  5m
②  50m
③  500m
④  5000m
【单选题】 用一把名义长度为30M实际长度为30.0025M的钢尺量得某段距离为221.756M,则该距离的尺长改正为( )。
①  0.0185
②  -0.0185
③  0.5544
④  -0.5544
【单选题】 图上标注的尺寸是60mm,从该图上量得的尺寸值是30mm,则该图的比例是(  )
①  1﹕2
②  1﹕1
③  2﹕1
④  6﹕3
【单选题】 从图上量得的尺寸值是60mm,而该图上标注的尺寸是30mm,则该图的比例是(  )
①  1:2
②  3:6
③  1:1
④  2:1
【单选题】 从图上量得的尺寸值是30mm,而该图上标注的尺寸是60mm,则该图的比例是(  )
①  1﹕2
②  3﹕6
③  1﹕1
④  2﹕1
【单选题】 从图上量得的尺寸值是60mm,而该图上标注的尺寸是30mm,则该图的比例是(  )
①  1﹕2
②  3﹕6
③  1﹕1
④  2﹕1
【单选题】 一物体图上长度标注为2000,其比例为1﹕5,则其实际大小为( )
①  400
②  2000
③  10000
④  200
随机题目
【单选题】 A: Hi, Mark, Im glad you could come. B: [填空] A: No, you are right on time.
①  Its my great honor, thanks.
②  You are welcome. Am I the first?
③  Thanks. Do you have the time?
④  I hope Im not too late.
【单选题】 A: I was born in Hefei,but I studied in Beijing. [填空]? B: I was born in Beijing,but studied in Hefei.
①  What do you do
②  And you
③  Where were you
④  Do you
【单选题】 A: Id rather have some tea, if you dont mind. B: [填空].
①  Thank you very much
②  Yes, I like so
③  Of course not, anything you want
④  No, its nothing
【单选题】 A: Sorry, I couldnt come to the party? I was sick that day. B: [填空].
①  I dont know that
②  Yes, well have another party
③  Thats all right
④  No, the party wasnt held
【单选题】 A: This package is too heavy for me to carry it upstairs. B: [填空].
①  You may ask for help.
②  Please do me a favor
③  Ill give you a hand
④  Id come to help.
【单选题】 A: Im sorry to have kept you waiting. B: [填空].
①  It doesnt matter
②  Dont mind
③  My pleasure
④  Youre welcome
【单选题】 A: Could you help me put up the posters on the wall? B: [填空].
①  I will
②  No problem
③  I would like
④  Thats a good idea
【单选题】 A: What do you prefer, meat or fish? B: [填空].
①  Yes, thank you
②  All right
③  Help yourself, please
④  Either will do
【单选题】 A: Id like to book a room, please. B: [填空]
①  Single or double?
②  Which room?
③  Cheap or expensive?
④  We dont have rooms here.
【单选题】 A: Waiter! B: [填空]? A: I cant eat this. Its too salty.
①  Yes, sir
②  What
③  All right
④  Pardon