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【判断题】
固定修复的最佳时机是拔牙后3~4个月A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文：Rarely do new employees take such initiatives as Mr. Johnson does. Usually they'll wait until they're familiar with their working environment. (22)
A.
It is hardly true that Mr. Johnson is a new employee with such initiatives.
B.
We are not sure if Mr. Johnson is satisfied with his working environment.
C.
Usually new employees will not take such initiatives as Mr Johnson does.
D.
Mr. Johnson is really very friendly as he helps us with our working initiatives.
【单选题】He hardly _________ say anything more, since you know all about it.
A.
don't
B.
needn't
C.
needs
D.
need
【简答题】舌面图又称之为。
【简答题】变量需要在它的作用范围内才可以被使用，这个作用范围称为变量的【】
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