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【单选题】
在线性定常系统中,当初始条件为零时,系统输出的拉氏变换与输入的拉氏变换之比称作系统的 ( )A.
信号流图
B.
动态结构框图
C.
传递函数
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皮皮学刷刷变学霸
举一反三
【单选题】接上题: 3. 关于甲公司销售高档香水应缴纳消费税税额,下列计算列式中,正确的是( )。
A.
702÷(1+17%)×15%
B.
[702+5.80 ÷（1+16%)]×15%
C.
(702+5.80 ）×15%
D.
702×15%
【简答题】口算: 250 ×80= 300×60= 650×20= 700×21= 300×12= 420 ×50= 720×40= 308×70= 450×30= 800×12=
【简答题】My parents' marriage was a __________ of its time — those years of the so-called cultural revolution, with no wedding ceremony and no honeymoon.
【单选题】My parents' marriage was a __________ of its time — those years of the so-called cultural revolution, with no wedding ceremony and no honeymoon.
A.
classic
B.
finance
C.
inquiry
D.
replacement
【单选题】17Wherever you go in China, it is a common sight that people _________ whether it is a restaurant, a bank, a hospital or a subway station.
A.
reflect on
B.
stand in line
C.
set foot in
D.
stay put
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