凡能增加腻子附着力和韧性的材料，都可作黏结料，如（）.
A.蛋清、幼植物胶
B.107胶、白乳胶
C.桐油、油漆、干性油
D.石油、黏结胶
参考答案：C
— Where are the Greens, may I ask?
— Well, they ______ to England. They have been there for nearly a week now. [ ]
A. have been
B. are going to
C. have gone
D. will go
（）是从自然甲前缘向后缘方向粘贴。
A、全贴片
B、丝绸
C、浅贴片
D、指甲镶嵌
