A公司每周使用100个B产品；然而，每次定购B的数量必须是500个，

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问题单项选择题

A公司每周使用100个B产品；然而，每次定购B的数量必须是500个，那么使用剩余的库存属于（）

A.安全库存

B.缓冲库存

C.批量库存

D.避险库存

答案

参考答案：C

阅读理解

阅读短文，判断正(√)误(×)。

The panda lives in China. It lives in mountains. It lives in bamboo forests. The panda can climb trees and

eat bamboos. Now there are only 1000 pandas in China. They need nature parks.

( ) 1. The panda can't climb trees.

( ) 2. The panda lives in China.

( ) 3. The panda eats grass.

( ) 4. There are many pandas now.

( ) 5. The pandas need nature parks.

( ) 6. We should protect (保护) the pandas.

单项选择题

氧气瓶和乙炔瓶内的气体不能全部用尽，应留有余压( )MPa。

A．0.05～0.1

B．0.1～0.3

C．0.3～0.5

D．0.5～1