题目内容

I think it is important to think 12 we use mobile phones.

A. reason
B. that
C. when
D. why

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职能制组织结构形式是按照"集中政策、分散经营"的原则确立的。()

and this means I"m spending 11 too much money on it.

A. very
B. far
C. lots
D. many

The third 10 I see is that I change my mobile phone once a year，

A. shortcoming
B. convenience
C. part
D. mobile phone

控制论是一门研究各种控制系统共性的学科。()