题目

补全对话。其中有一项多余，请把所选句子序号填在横线上。 A. What does he look like? B. She likes playing table tennis. C. Why is she your best friend? D. Are you more athletic than Lily? E. Do you look the same? F. Who’s your best friend? Peter: Do you know Lily, Sue? Sue:  Yes, she’s my best friend. Peter: (1)           Sue:  Because she likes to do the same things as I do.( 2)          Peter: Do you like playing table tennis, too? Sue:  Yes .But I’m more athletic than Lily. What about you, Peter?( 3)          Peter: My best 9．下列命题是真命题的是（　　）A．如果a＞b，那么ac2＞bc2B．如果a＞b，那么ac＞bcC．如果ac2＞bc2，那么a＞bD．如果b＞a，那么a-b＞0