题目内容

Todevelopthewestern ( ) isoneofthewisedecisionsbyChinesegovernment.

A. land
B. province
C. frontier
D. territory

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Thischip(芯片)isthemostimportant ( ) foracomputer.

A. component
B. element
C. part
D. gear

Thereisagrowing ( ) forpeopletosupportandbuydomesticproducts.

A. incline
B. decline
C. increase
D. tendency

Thetheoryhasfinally ( ) intheacademiccircle.

A. beenproved
B. gainedground
C. gotitsfeet
D. takenroot

基本调整管稳压电路中引入的负反馈组态是（）。

A. 电压并联负反馈
B. 电压串联负反馈
C. 电流并联负反馈
D. 电流串联负反馈