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为什么对项羽的评价比刘邦高RT为什么说刘邦是个诬赖啊 we will ge fishing ______ the morning of jan.1. 求y＝3x-1函数的定义域 求函数y=3x-2分之x+1的定义域 It is at the morning on jan.10th 已知方程x^2+y^2-2(t+3)x+2(1-4t^2)y+16t^4+9=0表示一个圆（1）求t的取值范围（2）求该圆半径r的取值范围 我国最早的一部纪传体史书 我国第一部纪传体史书是什么 中国古代第一部纪传体史书 in the way,on the way,by the way,in this way,in a way的用法,要明细 in the way in this way on the way in a way的意思区别 谁帮我总结一下：on the way in the way in this way等几个有关way的短语,谢谢最好有例句.谢谢 in the(this) way的不同 ,by(on) the way的不同分别说出意思 英语中by the way ,on the way,in the way of ,in this way的意思 物理教具有哪些可以自己制作，因为老师要求利用我们生活中的材料制作物理教学用具, 物理高手有在线的吗? 英语翻译The rollercoasterPotential andkinetic energyObserving themotion of a roller coaster carMeasuring thespeed of the roller coaster car 一列长414米的火车每秒行15米,这列火车全车通过801米的大桥　,要行多少时间? 曾国藩 胡林翼治兵语录怎么样 乙肝病毒DNA(FQPCR)1.1E+8 Barack Hussein Obama is the president of ___________ now.(American) It was _____ that US President Barack Obama won the 2009 Noble Peace Prize on FridayA.told B.pointedC.reported D.noticed To her great surprise her teachers were not as angry as she had thought they would be.A.apparently B.presently C.originally D.evidently the child talks as if she were a grownup,为何用were She looks as if she were ten years younger．为什么she之后用 were 而不是was? 凯基分装的 ELISA试剂盒是进口的哪个公司的试剂盒?有知道的吗? RD分装ELISA试剂盒质量怎么样 细胞表面积与体积比较小的什么物质交换 细胞体积越小,细胞的表面积与体积之比就越大,越有利于物质交换.为什么不对? 细胞表面积体积增大能增强与外界环境进行物质交换吗 一个圆柱形的蓄水池,底面半径是3米,深2.5米,在它的四周与底面抹上水泥.每平方米用水泥5千克,抹这个水池共需要水泥多少千克? 1.⊙O的弦AB为5cm,所对的圆心角为120°,则圆心O到这条弦AB的距离为___ 2.圆内一弦与直径相交成30°且分直径为1cm和5cm,则圆心到这条弦的距离为____cm