问题
选择题
I insist that he medicine instead of law. [ ]
A. could study
B. would study
C. should study
D. must study
答案
答案：C
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I insist that he medicine instead of law. [ ]
A. could study
B. would study
C. should study
D. must study
答案：C
的傅立叶变换为（）。
