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【判断题】
两个串联环节之间没有采样开关存在时,输出 Y ( z ) 与输入 U ( z ) 之间总的 Z 传递函数等于两个环节 Z 传递函数之积。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】能正确表示"当x 的取值在[1,10]和[200,210]范围内为真,否则为假"的表达式是:
A.
(x>=1) &&(x<=10) &&(x>=200) &&(x<=210)
B.
(x>=1) ||(x<=10) ||(x>=200) ||(x<=210)
C.
(x>=1) &&(x<=10) ||(x>=200) &&(x<=210)
D.
(x>=1) ||(x=200) ||(x<=210)
【单选题】Information we may request_______your name, e-mail address, phone number and address.
A.
including
B.
to include
C.
include
D.
includes
【判断题】In your personal information you should include: home address, phone number, e-mail address and a photo of yourself.()
A.
正确
B.
错误
【单选题】________ is a type of information obtained in a questionnaire that includes name, address, e-mail address and phone number.
A.
Basic information
B.
Classification information
C.
Problem-solving information
D.
Identification information
E.
Phone book information
【单选题】The police ______ his address and phone number in order to do further investigation .
A.
took off
B.
took down
C.
took in
D.
took over
【单选题】Why does Kate give her address over the phone?
A.
The driver will deliver her suitcase.
B.
She wants the driver to pick her up.
C.
To see if it matches the address on the suitcase.
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