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【判断题】
FIR滤波器系统函数的全部零点只能位于单位圆以内()A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】Many people feel that human beings should be responsible for the disappearance of some other animal species. It is true we may【M1】______ have hastened the disappearance of some species, but abundant e...
【单选题】听力原文： Cats never fail to fascinate human beings. They can be friendly and affectionate towards humans, but they lead mysterious lives of their own as well. They never become submissive like dogs and h...
A.
Because cats always fascinate human beings.
B.
Because cats are friendly and affectionate towards humans.
C.
Because there is a popular belief that cats have nine lives.
D.
Because cats lead their own lives and seldom become obedient like dogs are.
【单选题】You have no fight to ______ yourself from the action of your friends.
A.
dissolve
B.
dissociate
C.
dissipate
D.
disperse
【单选题】The process by means of which human beings can arbitrarily make certain things stand for other things may be called the symbolic process.【31】we turn, we see the symbolic process【32】work. For example, ...
A.
Whichever
B.
Whatever
C.
Everywhere
D.
However
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