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【单选题】
常用的正弦波振荡器中,频率稳定度最高的是( )
A.
电容三点式
B.
电感三点式
C.
改进型电容三点式
D.
石英晶体
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参考答案:
举一反三
【简答题】有int x,y,z;且x=3,y=-4,z=5,则表达式 !(x>y)+y!=z)||(x+y)&&(y-z)的值为
【单选题】彩色电视机中鉴频器的作用是()。
A.
取出伴音中频
B.
取出音频信号
C.
取出视频信号
D.
取出图象中频信号
【多选题】胰高血糖素的化学本质是 ,是由胰岛的 细胞分泌
A.
多肽
B.
A
【判断题】急流槽进水口的喇叭型簸箕口可以很好地汇集流水到槽口。( )
A.
正确
B.
错误
【简答题】有 int x,y,z ;且 x=3,y= -4,z=5 ,则以下表达式的值为 。 !(x>y)+(y!=z)||(x+y)&&(y-z)
【单选题】Issuing debt instead of new equity in a closely held firm is most apt to cause
A.
agency costs to fall as owner-managers do not need to worry about other shareholders
B.
the owner-manager to work less hard and shirk duties
C.
the owner-manager to reduce shirking and perquisite consumption
D.
both more shirking and perquisite consumption since the government provides a tax shield on debt
【判断题】Most of the influential top revenue enterprises belong to the type of closely held company.
A.
正确
B.
错误
【判断题】If the ownership of the companies is not open to the public, we call them closely held companies.
A.
正确
B.
错误
【判断题】If the ownership of the companies is not open to the public, we call them closely held companies.
A.
正确
B.
错误
【判断题】Most of the influential top revenue enterprises belong to the type of closely held company.
A.
正确
B.
错误
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