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【单选题】
奇函数的叶级数中,不会含有正弦项、余弦项和直流项的那些A.
正弦项
B.
余弦项
C.
直流项
D.
正弦项和余弦项
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举一反三
【单选题】听力原文：This news has blown his idea of finding a job in that company sky-high. What does the speaker mean?
A.
This news has provided very important information for his job-hunting.
B.
This news had mined his idea of finding a job in that company.
C.
This news had made him change his idea of finding a job in that company.
D.
This news had given him the idea of finding a job in that company sky-high.
【简答题】What does Julia do in her spare time?
【单选题】According to this news, about how many performers in Philharmonic orchestra were in this trip?
A.
50.
B.
100.
C.
200.
D.
1,000.
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