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- 1千焦与卡单位换算
- 2Miss Green asked us ___the classroom after school. A.cleaning B.to clean C. clean D. cleaded
- 3已知点M在第三象限且坐标为(-3-a,-3a+5),且点M到两坐标轴的距离相等
- 4如果有5瓶酸牛奶,从每瓶中倒出20毫升,那么5瓶剩下的酸牛奶正好等于原来4瓶的总
- 5The city __________ he used to live is very beautiful.A.who B.which C.where D.that
- 6定义一种运算*,其规律则为:-a-b-1/a-1/b.例如:1*2=-1-2-1/1-1/2=-4又1/2.试计算:(-1/2)*3
- 7有两筐梨共重四十五千克,两筐各吃掉5千克,后甲筐梨的重量是乙筐的4分之3.甲乙两筐原来各重多少千克?(用分数算)
- 8英语翻译
- 9“活在当下”是什么含义呢?
- 10哪种动物能听到频率很低的次声波?