【单选题】【消耗次数：1】
凡连接有大便器的排水管管径不得小于（）。
①
50mm
②
75mm
③
150mm?
④
100mm
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相关题目
【单选题】
塑料排水带的宽度为100mm，厚度为5mm，则其当量换算直径（换算系数取1.0）为（）。
①
25.2mm；
②
66.8mm；
③
33.4mm；
④
50.4mm；
随机题目
【单选题】
I really appreciate ____ to help me, but I am sure that I can manage by myself.
①
you to offer
②
that you offer
③
your offering
④
that you are offering
【单选题】
Half of the money____ your brother. ?
①
belong to ?
②
belong ?
③
belongs to ?
④
belongs?
【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?