透明覆盖材料的特性由();()、耐候性、防雾防滴性、保温性组成。
参考答案:透光性、强度
After school, I had a long _______ with my teacher about my study. [ ]
A. talk
B. word
C. speech
D. story
骨骺损伤以()型损伤诊断较困难。
A.Ⅰ型
B.Ⅱ型
C.Ⅴ型
D.Ⅳ型
E.Ⅲ型