Jim sold most of his things. He has hard_爱下问搜题

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问题选择题

Jim sold most of his things. He has hardly left in the house. [ ]

A. anything

B. everything

C. nothing

D. something

答案

答案：A

判断题

拣选作业按照其实施的手段不同可以分为人工拣选、机械拣选和自动拣选三大类。

填空题

基本的、可以重复的、对于临床治疗有重要参考意义的并且相对稳定的下颌位置只有( )、( )、( )三种。