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- 1Out school has a sports meeting __October 15th?
- 2如果从1/根号2,1/根号3,...,1/根号9,1/根号20中选出若干个数,使它们的和大于3,那么至少要选___个.
- 3-How soom will he come back?- ____ tow days.(before/after/in/for)
- 4the greatest number of diagonals that can be drawn from one vertex of a regular 6-sided polygon is
- 5圆心的坐标都为整数,半径为5的圆过点A(-2,6),且以M(5,4)为中点的弦长为2倍根号5,求此圆方程
- 6that long ruler is yours改为疑问句
- 7一道挺难理解的化学题
- 8Last Friday,I read a story book ------- a boy from a little town.A.by B.at C.in D.ou
- 9中国近现代史重大事件表
- 10长歌行那一句诗意思是鼓励我们多参加实践