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【单选题】
下列关于 FFT 的说法中错误的是
A.
FFT 是一种新的变换
B.
FFT 是 DFT 的快速算法
C.
FFT 基本上可以分成时间抽取法和频率抽取法两类
D.
基 2 FFT要求序列的点数为 (其中L为整数)
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参考答案：
举一反三
【单选题】听力原文：W: Have you heard the news that Jame Smeil has resigned his post as Prime Minister? M: Well, I got it from the headlines this morning. It's reported that he made public his decision at the last c...
A.
He has been successfully elected Prime Minister.
B.
He has already reached the retirement age.
C.
He has left his position in the government.
D.
He made a stupid decision at the cabinet meeting.
查看完整题目与答案
【判断题】在山东,见了素不相识的男子,和他打招呼,开口要称“二哥”,因为宋江和武松都排行老二。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】质量记录是质量管理体系文件的组成部分，质量记录应以规定的文件形式和程序进行，并应有实施、验证、审核等人员的（ ）。
A.
职务任命
B.
岗位职责
C.
操作要求
D.
签署意见
查看完整题目与答案
【判断题】Nearly five billion trees are cut down annually for paper making worldwide, representing 45 per cent of all harvested trees.
A.
正确
B.
错误
查看完整题目与答案
【简答题】All the trees (plant) ______ last summer.
查看完整题目与答案
【单选题】--- Mary looks a bit _____. It seems that she doesn't know what to do. --- Right. After all , it is the first time she _____ a speech in public.
A.
nervous; had made
B.
proud; had made
C.
nervous; has made
D.
proud; has made
查看完整题目与答案
【判断题】青少年不仅自己要远离毒品,还要劝导父母珍爱生命、远离毒品
A.
正确
B.
错误
查看完整题目与答案
【判断题】接报案人员要受理被保险人报案,解答被保险人的问题。
A.
正确
B.
错误
查看完整题目与答案
【单选题】质量记录是质量管理体系文件的组成部分，质量记录应以规定的文件形式和程序进行，并应有实施、验证、审核等人员的（ ）
A.
职务任务
B.
岗位职责
C.
操作要求
D.
签字及意见
查看完整题目与答案
【单选题】There are trees ____ all shapes on the hill.
A.
in
B.
of
C.
at
D.
by
查看完整题目与答案
相关题目：
【单选题】听力原文：W: Have you heard the news that Jame Smeil has resigned his post as Prime Minister? M: Well, I got it from the headlines this morning. It's reported that he made public his decision at the last c...
A.
He has been successfully elected Prime Minister.
B.
He has already reached the retirement age.
C.
He has left his position in the government.
D.
He made a stupid decision at the cabinet meeting.
查看完整题目与答案
【判断题】在山东,见了素不相识的男子,和他打招呼,开口要称“二哥”,因为宋江和武松都排行老二。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】质量记录是质量管理体系文件的组成部分，质量记录应以规定的文件形式和程序进行，并应有实施、验证、审核等人员的（ ）。
A.
职务任命
B.
岗位职责
C.
操作要求
D.
签署意见
查看完整题目与答案
【判断题】Nearly five billion trees are cut down annually for paper making worldwide, representing 45 per cent of all harvested trees.
A.
正确
B.
错误
查看完整题目与答案
【简答题】All the trees (plant) ______ last summer.
查看完整题目与答案
【单选题】--- Mary looks a bit _____. It seems that she doesn't know what to do. --- Right. After all , it is the first time she _____ a speech in public.
A.
nervous; had made
B.
proud; had made
C.
nervous; has made
D.
proud; has made
查看完整题目与答案
【判断题】青少年不仅自己要远离毒品,还要劝导父母珍爱生命、远离毒品
A.
正确
B.
错误
查看完整题目与答案
【判断题】接报案人员要受理被保险人报案,解答被保险人的问题。
A.
正确
B.
错误
查看完整题目与答案
【单选题】质量记录是质量管理体系文件的组成部分，质量记录应以规定的文件形式和程序进行，并应有实施、验证、审核等人员的（ ）
A.
职务任务
B.
岗位职责
C.
操作要求
D.
签字及意见
查看完整题目与答案
【单选题】There are trees ____ all shapes on the hill.
A.
in
B.
of
C.
at
D.
by
查看完整题目与答案
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