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【单选题】
-个闭环控制系统的通频带,则系统响应速度(),愈能准确地复现输入信号。但的带宽会降低系统()的能力。A.
越快,抗噪声
B.
越慢,跟踪
C.
越快,跟踪
D.
越慢,抗噪声
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举一反三
【单选题】Which sentence from the section "When It Is Time To Quit" explains why sports might no longer be fun for kids?
A.
They stop playing sooner than expected.
B.
About 7 in 10 kids quit playing sports by age 13.
C.
There is too much pressure during games.
D.
"Joy" and "fun" matter a lot in sports.
【单选题】He suggested that we put the scheme into effect, for it is quit ________ .
A.
probable
B.
sustainable
C.
feasible
D.
eligible
【单选题】Why is it difficult to quit smoking?
A.
Nicotine in cigarettes is highly addictive.
B.
People keep offering smokers cigarettes.
C.
Smoking gives smokers so much pleasure.
【单选题】He suggested that we put the scheme into effect, for it is quit ________ .
A.
feasible
B.
sustainable
C.
probable
D.
eligible
【简答题】It is much_______________(easy) not to start smoking than it is to quit it.
【单选题】For those ____don’t smoke, it is ____ easier not to start smoking than it is to quit it.
A.
which; much
B.
which; more
C.
who; much
D.
who; more
【简答题】Quit, don't quit. Noodles, don't noodles. You are too concerned with what was and what will be. There's a saying: Yesterday is history, tomorrow is a mystery, but today is a gift. That is why it is ca...
【单选题】He suggested that we put the scheme into effect, for it is quit ________ .
A.
probable
B.
sustainable
C.
feasible
D.
eligible
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