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【单选题】
某市交通管理局发布文件,规定对高速公路过往车辆征收过路费。驾车路过被征收,他认为这属于乱收费,欲提起复议申请。下列选项中哪个不正确?()
A.
可以直接对该征收行为提起行政复议
B.
可以直接针对该规范性文件要求复议审查
C.
既可以对该征收行为提起行政复议,也可以提起行政诉讼
D.
不必经过复议,可以直接向人民法院提起行政诉讼
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举一反三
【单选题】数字信号和模拟信号的特点是( )。
A.
模拟信号大小上、时间上均不连续,数字信号则相反
B.
数字信号大小上、时间上均不连续,模拟信号则相反
C.
数字信号、模拟信号大小上、时间上均不连续
D.
数字信号、模拟信号大小上、时间上均连续
【简答题】电子学研究的对象是载有信号的电信号,按其特点可以分为模拟信号和数字信号。模拟信号的特点是 ,数字信号的特点是 。
【单选题】We ______ any money at that time.
A.
don't have
B.
didn't have
C.
didn't had
【单选题】They didn't watch the TV play that day, and______.
A.
so did we
B.
we didn't too
C.
so didn't we
D.
nor did we
【单选题】We worked all day, ( ) we didn't finish it.
A.
also
B.
or
C.
but
【单选题】We used to have a discussion, ___?
A.
did you
B.
didn’t we
C.
used we
D.
didn't used we
【单选题】--Why didn't you answer the phone this afternoon?--We didn't hear it. I was in the garden and Mum ______ a shower.
A.
has had
B.
had
C.
was having
D.
had been having
【单选题】— You didn't wait for Tom yesterday. — Yes, but we ______. He didn't come. [     ]
A.
needn't have
B.
didn't need to
C.
could have
D.
should have
【多选题】模拟信号的特点是:
A.
信号的幅度连续
B.
相位随时间作连续变化
C.
频率随时间作连续变化
D.
幅度是离散的
【简答题】We didn’t go fishing because it rained heavily.(改为同义句) We didn’t go fishing________ ________ the heavy rain.
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