建筑内部给水系统所需水压要满足的条件有()。
A、克服地势高差
B、克服管道压力损失
C、克服水表压力损失
D、满足用水没备的流出水压
参考答案:A, B, C, D
He found them __________ at a table___________.
A.sat; to play chess
B.sitting; to play chess
C.seated; playing chess
D.seat; play the chess
痫病七情失调主要责之于( )
A.喜
B.惊恐
C.悲忧
D.怒
E.思