下列选项中,不属于常用的内墙涂料的是( )。
A.合成树脂乳液内墙涂料(乳胶漆) B.溶剂型内墙涂料C.幻彩涂料 D.复层建筑涂料
参考答案:D
Though ________ to see us, the professor gave us a warm welcome. [ ]
A. was surprised
B. surprise
C. being surprised
D. surprised
车门锁是为了防止车辆因受到()和()而使车门轻易打开。