按污染源排放形式,可以将大气污染源分为( )。
A.固定源和流动源
B.连续源和瞬时源
C.高架源、中架源和低架源
D.有组织排放源和无组织排放源
参考答案:D
He doesn’t lack ______ to learn. You don’t have to tell or force him to do this or that.
A.attempt
B.motivation
C.conception
D.realization
什么是吊挂式玻璃幕墙?