【单选题】【消耗次数：1】
水准测量过程中水准尺的主要作用是（ ）。
①
提供水准点或转点到视线的铅垂距离
②
提供水准点或转点到水准仪的视距
③
提供水准点或转点到视线的倾斜距离
④
提供水准路线的视距
参考答案：
复制
纠错
相关题目
随机题目
【单选题】
25. A pilot should be responsible ____ the safety of all the passengers on board.
①
against
②
for
③
at
④
with
【单选题】
After ten years, all these youngsters became____.
①
grown-up
②
grown-ups
③
growns-ups
④
growns-up
【单选题】
We’ll go out as soon as I’ve ____ the kitchen.
①
sent for
②
cleaned up
③
done with
④
worked out
【单选题】
“I haven’t read ____ of the last four chapters, so I know little about them.”
①
something
②
some
③
any
④
anything
【单选题】
By the end of next month he ____ everything in school.
①
will finish
②
will have finished
③
finishes
④
would finished
【单选题】
Even great musicians require ____ practice.
①
convenient
②
continual
③
continuous
④
contrary
【单选题】
Wealthy ____ he was, the governor would not spend a penny on such things.
①
as
②
if
③
though
④
however
【单选题】
—Guest: Oh, it’s ten o’clock. I’d better go now.—Host: ____.
①
OK. Please walk slowly and take care.
②
Why do you want to go now? Don’t you want to stay?
③
Yeah, it’s really late. Why not immediately?
④
Won’t you stay for another cup of coffee?
【单选题】
Youhavetopaytohavethebooksprinted, ____ canbequiteexpensive.
①
which
②
it C. that D. this
③
that
④
this
【单选题】
Early to bed and early to rise ____ a man healthy, wealthy and wise. ?
①
make ?
②
had made ?
③
makes ?
④
will make?