一台平板电脑,先提价 ,再降价 ,现价与原价相比,( )。 A . 高了 B . 低了 C . 不变 D . 无法确定 答案:B8.听第9段对话,做第13~15小题.13.What would the man like?A.beef noodles B.mutton noodles C.beef soup14.What size would he like?A.small B.medium C.large15.How much does the man need to pay?A.4 yuan B.12 yuan C.16 yuan.