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- 1以“学会感恩”为话题的800字议论文
- 2She did _____she could ____ the lost child.He found his parents with the help of the police.A.that
- 3已知数列an的前n项和为sn,a1=2,nan+1=sn+n(n+1),设bn=sn/2n,bn小于等于t,
- 4在120℃、101kPa条件下,由H2、CH4组成的混合气体a mL,通入一定量(设为x mL)氧气使其完全燃烧. (1)若a mL混合气体完全燃烧消耗相同条件下氧气的体积也为a mL(即x=a),则原混合气体中CH
- 5Gangnam Style was sung by a singer ——is from South Korea.And the song has become——song across
- 6一个多项式减去(-3+x-2x2)得到x2-1,这个多项式是 _.
- 7速求三顾茅庐 .100字缩写
- 8已知:如图,D、E、F分别是△ABC的边BC、AB、AC的中点,AD与EF相交与O,线段CO的延长线交AB与点P.求证:AB=3AP
- 9表示领导者的意思的词语
- 10------I don,t care what my teathers think -----Well,you ---------.A could B would C should D might