A:f(13)<f(2)<f(12)
B:f(12)<f(2)<f(13)
C:f(12)<f(13)<f(2)
D:f(2)<f(12)<f(13)
阅读对话,判断正误。
A: Can I help you?
B: Yes. This red chess is nice. Can l try it on?
A: Of course. Here you are. Is it OK?
B: No, It’s too big.
A: How about the yellow one?
B: OK. Let me try. It’s just right. I’ll take it.
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