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【单选题】
Y-下列关于屋面雨水排水系统设置的叙述中,正确的是( )A.
通常情况下，小型单跨厂房宜设置天沟外排水系统
B.
通常情况下，普通住宅宜设置普通外排水系统
C.
寒冷地区的建筑宜设置天沟外排水系统
D.
建筑立面要求高的办公楼，采用普通外排水系统
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举一反三
【单选题】A photon having 40 keV scatters from a free electron at rest. What is the maximum energy that the electron can obtain? ( )
A.
5.41 eV
B.
4.32 eV
C.
7.95 eV
D.
1.73 eV
【简答题】乌头的栽培种的母根入药,药材名为____,其侧根入药,药材名为____。
【单选题】听力原文：M: Would you like to stop for a rest? W: Oh, no. We are almost at the top of the hill. Q: What are they doing now? (8)
A.
Having a rest.
B.
Looking for something.
C.
Climbing a hill.
D.
Going down a hill.
【单选题】At weekends I prefer ______ at home ____ a good rest.
A.
staying, to having
B.
staying, having
C.
to stay, to have
D.
to stay, to having
【简答题】Passage 1 Having a part-time job is an important part of growing up for American agers. It can teach them important skills that will be useful for the rest of their lives. And many agers find ...
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