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【单选题】
分压式偏置共射放大电路,当温度升高时,其静态值IBQ会( ) 。
A.
增大
B.
变小
C.
不变
D.
无法确定
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A.
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B.
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C.
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D.
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A.
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B.
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C.
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D.
of
【单选题】鼓膜的光锥位于:
A.
前下方
B.
前上方
C.
后上方
D.
后下方
【单选题】鼓膜的光锥位于
A.
鼓膜的上方
B.
鼓膜的下方
C.
鼓膜的前方
D.
鼓膜的后方
E.
鼓膜的前下方
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A.
左耳7点位、右耳5点位
B.
右耳7点位、左耳5点位
C.
左耳7点位、右耳7点位
D.
左耳5点位、右耳5点位
E.
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【单选题】P4.在宏表达式中要引用Fm1窗体中的t控件的值,正确的引用方法是()。
A.
Forml!txtl
B.
txt1
C.
Foms!Foml!txt1
D.
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【判断题】片面性风险是指纳税人在进行纳税筹划方案选择时,未全面、综合、长远地考虑问题而产生的风险。
A.
正确
B.
错误
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A.
巴比妥类药
B.
盐酸氯丙嗪
C.
红霉素
D.
乳酸钠
E.
辅酶A
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