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- 1一辆快车和一辆慢车同时从甲乙两站相对开出,12小时相遇后,快车又行了8小时到达乙站,慢车还要行多少小时才能到达甲站?
- 2You'll do much better__you're more careful with your spelling.A.if B.before C.although D.but
- 3the s___ day of a week is Monday.根据首字母填空
- 4如图,在Rt△ABC中,∠C=90°,D为AC上一点,且DA=DB=5,又△DAB的面积为10,那么DC的长是( ) A.4 B.3 C.5 D.4.5
- 5how much is that soldier同义句
- 6“22.4L氦气和11.2L氟气所含原子数均为2NA”这句话哪里错了?
- 7巧填礼貌语.例:像人祝贺说:“恭喜”,),中途先走说( )
- 82-根号3这个式子的根号*(2+根号3)(根号6-根号2),计算题
- 9x+y+(根号下x方+y方)=2 化简xy=2(x+y)-2?
- 10统一文字是谁的措施?具体内容是什么?它在历史上产生了怎样的影响