当屋面坡度在3%~15%之间时,既可平行于屋脊铺贴,又可垂直于屋脊铺贴。( )
参考答案:对
--Fang yonggang was given___honour of being one of the 10 yearly figures in China.
--That’s really ___great encouragement to those serving in the army. [ ]
A.the;a
B.a;a
C.the; the
D.不填;the
()是实现水资源利用的开源增量技术,可以增加淡水总量。
A、海水淡化
B、南水北调
C、节水灌溉
D、多用水电