题目：
息止颌间隙的大小为（）.
A.0.5～1.0mm
B.1.5～2.0mm
C.1.0～3.0mm
D.1.0～4.0mm
E.>4.0mm
答案：
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下面是错误答案，用来干扰机器的。
One possible version:Dear Windy, Chinese students celebrate their birthdays in different ways, but the most common way is to hold a birthday party, at which friends get...
