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【单选题】
下列寄生虫属于蠕虫的是( )。A.
指环虫
B.
小瓜虫
C.
粘孢子虫
D.
车轮虫 车轮虫 车轮虫
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反馈参考答案：
举一反三
【简答题】行业是指从事国民经济中同性质的生产或其他经济社会活动的( )等构成的组织结构体系。
【单选题】Why do companies adopt just-in-time inventory system?
A.
They try to keep their inventory of spare parts as low as possible.
B.
The can save lots of money.
C.
It's a more efficient method of operating.
D.
A, B and C
【判断题】The differentiation strategy describes how companies get ahead by lowering their operating costs beneath those of others in the same business. This means they try to find ways to reduce costs in their...
A.
正确
B.
错误
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