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- 2—There's a ball pen and some pencils.—There are some pencils and a ball pen.这两句意思相同吗?
- 3He went to school without breakfast=He went to school,but什么?
- 4一个教室长12米,宽是长的3分之2,它有面积是多少平方米
- 5已知x、y是实数,3x+4+(y2-6y+9)=0,若axy-3x=y,则实数a的值是( ) A.14 B.-14 C.74 D.-74
- 6任何物体受到力的作用后形状都发生改变对不对
- 7化工厂怎么样把盐从海水中提炼出来的
- 8化合价是什么?怎么表示?如na?
- 9__ I go and meet you at the airport?No,thanks dear,i can take a taxi home.填什么,原因?
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