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- 1英语中一般过去时的概念是什么?
- 2Dirty water must be stopped from dumping into the river.同义句
- 3Once she has learned it and got used to it, she would accept it. 这句话有错吗?谢谢
- 4已知f(x)的定义域为[-2,4],函数g(x)=f(x²)+f(1-x)的定义域为
- 5德语一句话可以有两个动词吗?还有就是一句话可以有两个第三格或者第四格吗
- 6加工一批零件,计划18天完成.现在工效提高了20%,实际几天完成?
- 7There were eight ______in the school talent show.They're all exciting.
- 8It is ten to seven
- 9(2004•长春)已知正比例函数y=k1x的图象与一次函数y=k2x-9的图象交于点P(3,-6). (1)求k1,k2的值; (2)如果一次函数y=k2x-9与x轴交于点A,求A点坐标.
- 10场强大处电势反而可能低