试题与答案

I’m told that you are going to Canada to

题型:选择题

题目:

I’m told that you are going to Canada to have a three month further study. Don’t let such a good chance to improve your English _____ through your fingers.

A.ski

B.spreads

C.slips

D.skip

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:上下切牙的切端均向唇侧,其倾斜度与颌骨前端牙槽突的倾斜度是一致的,约60°。

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