题目内容
不失真测试条件中,要求幅频特性为( ),而相频特性为( )。
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Fill in a suitable adjective or adverb in its appropriate form in each blank.Rainy days are cold, but we have the _________ weather of all on clear, windy days in winter.
The Rocky Mountains are high, the Andes are higher yet, and the Himalayas are the ______ in the world.
He always talks seriously, but his wife often talks even _____________.
I didn’t work hard last year, but I am now working much _________.
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