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- 2Tom was not at home ,so left a n____ for him
- 3在铜与稀HNO3反应中,若有1 mol硝酸被还原则被氧化的铜的物质的量为
- 4David Tao - Do You Love Me Or Him
- 5求函数y=x2+6x-7在区间【-8,3】上的最大值和最小值
- 6一矩形截去一个小矩形后,剩余部分用一条直线分成面积相等的两部分
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- 8Almost everyone ---- what the weatherman will say.But he doesn't always tell us what we want,and sometimes he makes mist
- 9i know()about the world outside.A.more B.less C.few D.little
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