人体皮肤最薄的是（）
A.手部
B.眼睑部
C.颈部
D.腋窝部
参考答案：B, D
— _____ do you go to the movies?
— Once a week. [ ]
A. How many
B. How much
C. How often
D. How soon
恶性高血压的典型损害是
