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【单选题】
以下关于温度对三极管及其放大电路性能影响阐述错误的是:
A.
温度升高三极管输入特性曲线左移
B.
温度升高三极管输出特性曲线上移
C.
温度升高三极管输出特性曲线间距增大
D.
温度升高三极管放大电路静态工作点会下移
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意识模糊,睡眠障碍,行为失常
B.
腱反射亢进,肌张力增高
C.
病理反射阳性
D.
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E.
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前驱期
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A.
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C.
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A.
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B.
进行体育锻炼
C.
需求学校心理咨询中心的帮助
D.
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