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- 1He is glad to hear the news 感叹句
- 2男工人数占工人总数的十一分之六,女工人占工人总数的几分之几,男工人数比女工人数多几分之几,女工人数比
- 3消除的反义词
- 4用配方法说明不论X为何值,代数式-X^2+6X-10的值总大于0
- 5用“秦九韶算法”计算多项式f(x)=5x5+4x4+3x3+2x2+x+1,当x=2时的值的过程中,要经过_次乘法运算和_次加法运算.
- 6好段摘抄100字及赏析
- 7今年父亲的年龄是儿子年龄的3倍,5年前父亲的年龄是儿子年龄的4倍,问今年父亲和儿子各几岁?
- 8---She is a lot better now.---I'm _____ to hear that.
- 9如图所示,物体A、B质量分别是4kg和10kg,不计滑轮与绳间摩擦及绳的重力,若整个系统静止,g取10N/kg.求: (1)地面对B的摩擦力的大小; (2)地面对B支持力的大小.
- 10We all went to the park e_____ Danny yesterday.Because he was doing his homework.