【单选题】【消耗次数：1】
某系统的传递函数，当输入时，则其稳态输出的幅值为（）
①
②
③
2
④
4
参考答案：
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相关题目
【单选题】
非单位负反馈系统，其前向通道传递函数为G(S)，反馈通道传递函数为H(S)，当输入信号为R(S)，则从输入端定义的误差E(S)为()
①
<imgwidth="126"height="22"src="../uploadfiles/word/zdkzll002.files/image040.png">
②
<imgwidth="169"height="22"src="../uploadfiles/word/zdkzll002.files/image041.png">
③
<imgwidth="176"height="22"src="../uploadfiles/word/zdkzll002.files/image042.png">
④
<imgwidth="168"height="22"src="../uploadfiles/word/zdkzll002.files/image043.png">
随机题目
【单选题】
My idea is to visit the museum, [] to the park.
①
not go
②
not going
③
not to go
④
do not go
【单选题】
He requested [] actually he pleaded that his name be withheld.
①
comma
②
dash
③
brackets
④
semicolon
【单选题】
The blizzard continued for a week [] subsequently, they began to run out of food.
①
comma
②
semicolon
【单选题】
I almost spent two hours on this exercise. Find any misplaced modifier in the sentence.
①
two
②
almost
③
on this exercise
【单选题】
Although born and educated in the countryside, Joed like to work [] the big companies are.
①
which
②
when
③
where
④
because
【单选题】
Small sailboats can eaily turn over in the water [] they are not managed carefully.
①
though
②
before
③
until
④
if
【单选题】
[] so many people want to live in cities is because they want to have fun in there.
①
Why
②
That
③
Whether
④
How
【单选题】
Which sentence is correct?
①
Afer finishing her composition, she took up the translation exercise.
②
Afer finishing her composition, the translation exercise was taken up.