【单选题】【消耗次数：1】
钢尺量距时，量得倾斜距离为123.456米，直线两端高差为1.987米，则高差改正数为（ ）m。
①
-0.016
②
0.016
③
-0.032
④
1.987
参考答案：
复制
纠错
相关题目
【单选题】
某钢尺名义长度为30m，检定时的实际长度为30.012米，用其丈量了一段23.586m的距离，则尺长改正数应为？。
①
–0.012m
②
0.012m
③
–0.009m
④
0.009m
【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
【简答题】
要在坡度一致的倾斜地面上设置水平距离为126.000m的线段，已知线段两端的高差为3.60m（预先测定），所用30m钢尺的鉴定长度是29.993m，测设时的温度t=10℃,鉴定时的温度t0=200C，试计算用这根钢尺在实地沿倾斜地面应量的长度。
【单选题】
在地形图上，量得A点高程为21.17m，B点高程为16.84m，AB距离为279.51m，则直线AB的坡度为（ ）。
①
6.8%
②
1.5%
③
-1.5%
④
-6.8%
【单选题】
在地形图上，量得A点高程为21.17m，B点高程为16.84m，AB的平距为279.50m，则直线AB的坡度为?
①
6.8%
②
1.5%
③
-1.5%
④
-6.8%
随机题目
【单选题】
We can certainly deliver high-quality education to many students at much ________ cost.
①
low
②
lowest
③
lower
④
lowed
【单选题】
-Im sorry for breaking the cup.-Oh, ____ . Ive got plenty.
①
forget it
②
my pleasure
③
help yourself
④
try it
【单选题】
– What are your great strengths?–
①
I am very shy.
②
My job offers me high income.
③
I am very active in discussion.
④
I was very shy.
【单选题】
It is an open secret _____he is not a qualified manager.
①
that
②
which
③
what
④
when
【单选题】
The more peopleyou know, ___________knowledgeyouget.
①
the much
②
the more
③
more
④
much
【单选题】
-Weve worked for a long time, what about stopping a while to have a rest?-_____________________.
①
I like it.
②
You are wonderful.
③
Thats a good idea.
④
ok
【单选题】
We can certainly deliver high-quality education to many students at much ________cost.
①
low
②
lowest
③
lower
④
lowing
【单选题】
_________ the regular classes, you can also attend many different seminars and take part in many extracurricular activities.
①
Except for
②
Including
③
Apart from
④
with
【单选题】
Apple developed its iPad-based textbooks in ____________with major textbook publishers.
①
form
②
link
③
conjunction
④
to