采用天沟、落水管将雨水汇集到一定地方排到地面，叫做有组织排水。( )
参考答案：对
He was in poor health, so the doctor forbade him ________(drink) wine.
飞机上装有几个静压孔（）.
A.3个
B.4个
C.5个
D.6个
