3周岁后到6～7岁称为（）
A.胎儿期
B.婴儿期
C.幼儿期
D.学龄前期
E.学龄期
参考答案：D
— I'm sorry I stepped on your foot; it was anaccident.
— It wasn't! You did it____purpose. [ ]
A. on
B. for
C. in
D. without
面漆工序越多，喷涂与修补越复杂。
