问题
选择题
My sister Anna often __________becoming a scientist like Madam Curie in the future. [ ]
A. makes up
B. uses up
C. dreams of
D. looks at
答案
答案：C
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My sister Anna often __________becoming a scientist like Madam Curie in the future. [ ]
A. makes up
B. uses up
C. dreams of
D. looks at
答案：C
及所围成的立体体积的三次积分为（）。