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【单选题】
结合具体条件确定雨水管渠采用明渠或暗道的方法中有误的一项是（）。A.
一般在市区建筑密度较大，交通频繁地区，均采用暗管排雨水
B.
在效区或建筑密度低、交通量小的地方，可采用明渠，以节省工程费用，降低造价
C.
充分利用地形，选择适当的湖水面和洼地作为调蓄池，以调节洪峰，降低沟渠计流量
D.
在受到埋深和出口深度限制的地区，可以用盖板明渠排除雨水
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皮皮学刷刷变学霸
举一反三
【简答题】是衡量钢材弹性的指标。
【多选题】When framing a proposition case, the debaters can___________.
A.
elaborate on the urgency to propose a new policy
B.
explain why and how the existing policy fails
C.
explain why the proposed policy can make a difference
【单选题】How is framing different from agenda setting?
A.
Agenda setting is choosing which stories to tell, framing is choosing how to tell them.
B.
Framing is choosing which stories to tell, agenda setting is choosing how to tell them.
C.
Agenda setting is choosing which stories to tell, framing is choosing why to tell them.
D.
Framing is choosing which stories to tell, agenda setting is choosing why to tell them.
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