题目内容

It is necessary to establish adequate controls () inventory on order and inventory in stock.

A. under
B. about
C. on
D. over

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Today, the use of computer systems to control inventory is far more () for small business than ever before.

A. feasible
B. practical
C. acceptable
D. esay

Inventory carrying costs () a number of different factors or elements, and the importance of these factors can vary from product to product.

A. consist in
B. consist of
C. including
D. compose

There are certain goods which are demanded seasonally, like down jacket in winters or raincoat in the () season.

A. snowy
B. windy
C. rainy
D. foggy

透镜式色灯信号机的额定电压是()。

AC12V
B. AC30V
C. DC12V
DC30V

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