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- 1(1) We ofter play basketball_____an hour after school.↓
- 2世界上什么金属最值钱,密度高?能够承受1亿吨重力.
- 3I_______buy a new pen because there there is no pen in my pencilcase.
- 4They are ______ from Beijing.(
- 5the radio is broken,it needs_________.A.repairing B.to be repairing C.to repair D.be repaired
- 6i understand most of what you said,but i can't understand__ a everything b anything c something d.nothing
- 7在三角形中,角A.B.C的对边分别为a.b.c,B=三分之派,cosA=五分之四,b=根号三 求▷ABC的面积
- 8《我的同学》作文600字,
- 9二次函数f(x)的图像是开口向下的抛物线,且f(-3)=f(5),试比较f(3/2)与f(-1/2)的大小
- 10在平行四边形ABCD中,点E、F是对角线AC上两点,且AE=CF.求证:角EBF=角FDE.