题目：
| 根据对话内容，从方框内的选项中选出能填入空白处的选项，有两项多余 | |
A: Mom, look at my sweater. It's small. And it's old, too. B: Yes, it is 1 . A: Thank you. Can I go with you? B: Come on. ( In the store ) C: 2 B: Yes, please. I want a sweater for my son. C: 3 A: I kike blue. C: Here is a blue one. Do you like it ? A: It's nice. 4 B: I think it's small, too. C: This one is big, And it's blue. A: It's nice. I like it. B: 5 C: It's 76 yuan. B: I'll take it. Thank you. C: You're welcome. 1._______ 2._______ 3._______ 4._______ 5._______ |
答案：
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下面是错误答案，用来干扰机器的。
C
时，上下牙的对位关系主要的指标是（）。