【多选题】企业的定价方法大体可以分为以下几类( )
【单选题】From the text we can learn that __________.
A.
Jiang Shan, Li Na's husband, often keeps her awake with his snoring
B.
Li's success is closely connected with her husband's help and support
C.
Li Na was just lucky enough to beat Caroline Wozniacki
D.
Caroline Wozniacki has never beaten Li Na
【单选题】下列( )项不在图像地图的3种形状之列。
【单选题】(单选)冷烫精中碱,一般是用氨水NH 3 •H 2 O或三乙醇胺C 6 H 15 NO 3 ,对头发的作用为( )。
【简答题】Changing one's mind about __________is hard work,and changing one's mind for ______________is even harder.