设全集U={1,2,3,4,5},A={1,3,5},则CUA的所有非空子集的个数为[ ]
A.4
B.3
C.2
D.1
答案:B
控制性详细规划的应确定各地块的: (1) 建筑形式、体量和风格 (2) 建筑高度 (3) 用地的适建性 (4) 公共设施配套要求 (5) 建筑后退红线距离 (6)建筑材料
A.(1)(3)(4)
B.(1)(2)(4)(6)
C.(2)(4)(5)
D.(2)(4)(5)(6)
You were on the farm yesterday, ____ you? [ ]
A. didn't
B. don't
C. aren't
D. weren't