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【简答题】
PLA组成的电路如图所示,写出F 1 、F 2 的表。
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参考答案:
举一反三
【单选题】Venture capital firms are usually organized as _________
A.
closed-end mutual funds.
B.
limited partnerships.
C.
corporations.
D.
nonprofit businesses.
【单选题】物质的量相等的戊烷、苯和苯酚完全燃烧,需要氧气的物质的量依次是xmol、ymol、zmol,则z、y、,z的关系是()。
A.
x>y>z
B.
y>x>z
C.
z>y>x
D.
y>x>z
【判断题】Firms usually use spot purchasing for indirect goods.
A.
正确
B.
错误
【单选题】Firms that are in imminent danger of defaulting on their debt obligations usually incur significant costs including ( )
A.
the time and effort of the firm’s managers in avoiding bankruptcy
B.
fees paid to lawyers specialized in bankruptcy proceedings
C.
the loss of customers, suppliers and employees
D.
all of the above
【多选题】变频器控制方式有()、()、()、()。
A.
SPWM
B.
SVPWM
C.
VC
D.
DTC
【单选题】文本框( TextBox )对象的值的属性是( )
A.
Caption
B.
Name
C.
Text
D.
Value
【判断题】Firms usually use spot purchasing for indirect goods.
A.
正确
B.
错误
【单选题】Firms usually respond to pressures for cost reduction by trying to:
A.
lower the costs of value creation.
B.
be locally responsive.
C.
undertaking product differentiation.
D.
diversifying product lines.
【判断题】草绘中的弱尺寸是系统在绘图时自动生成的。
A.
正确
B.
错误
【判断题】在工作中,如操作会产生碎片的旋转性设备时,应佩戴护目镜。
A.
正确
B.
错误
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