题目内容

随着温度升高,晶体管的输出特性曲线将_______

A. 上移
B. 下移
C. 左移
D. 右移
E. 不变

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随着温度升高,晶体管的输出特性曲线的间隔将______

A. 增大
B. 减小
C. 不变

news report 3[音频]

A. Bytyingittoadoorhandle.
Byshakingitbackandforth.
C. Witharemotecontrolcraft.
D. Withafull-sizedhelicopter.

news report 3

A. HehaslotsoffansonFacebook.
B. Hehasrichexperienceinflying.
C. Heoftensuffersfromtoothaches.
D. Hehaslearnedtopullteethfromavideo.

news report 3

A. Spendmoretimetogether.
B. Tellthemadventurestories.
C. Dosomethingfunandcreative.
D. Playwiththeminasafeplace.

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