使用（）皮肤无压迫感
A.热膜
B.硬膜
C.软膜
D.冷膜
参考答案：C
She's too tired to _______. So she can't pass it this time. [ ]
A. sleep at night
B. do well in the exam
C. speak in public
D. believe her eyes
遇到客户，应主动说：“先生/小姐，您好”，同时鞠躬（）度。
A.15
B.30
C.45
D.90
