下列哪一项不是正确的卫生习惯（）
A.勤洗澡理发、勤剪指甲
B.早晚刷牙、饭后漱口
C.跟家人共用毛巾
D.脸盆脚盆分开使用
参考答案：C
What is this talk mainly about().
A.How historical events affected an art movement.
B.How artists can influence economic conditions.
C.Why a certain art movement failed to become popular.
D.How valuable paintings were lost during wartime.
会展竞争导向定价有随行就市法、（）和（）三种。
