影响颜色的因素有()。
A.调色能力
B.喷涂技巧
C.施工环境
D.色母颜料的比重
参考答案:A, B, C, D
A.家里的电冰箱门关闭后,里面的灯随即关闭,而压缩机依然在工作,说明二者是串联的
B.道路两旁的路灯,晚上同时亮,早上同时灭,它们是串联的
C.厨房里的换气扇和照明灯,使用时互不影响,它们是并联的
D.楼道里的电灯使用的声控开关和光控开关是串联的
—There aren't enough snacks for the party. Did you buy ______?
—No, I didn't. I bought everything they had in the shop. [ ]
A. little
B. less
C. more
D. most