九年级上册语文综训

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已知三角形ABC的内角A.B.C 向量m=(cosA-2cosC,cosB),向量n=(2c-a,b),且m平行于n,求sinA/sinC当0 They can tell what the weather is going to be l____ 甲乙的平均数是80,甲乙丙的比是7::5:4,甲比丙多多少(列综合式) One of them asked him if he could tell them what the weather would be like within the next few daysOne of them asked him if he could tell them what the weather would be like within the next few days. These old Indians know more of the secrets of Na 初一语文27课皇帝的新装 水分子的键角为什么不是90度 水分子的键角是104.5度,那一度是多少分呢? 水分子 键能冰熔化需要吸收热量,这是因为冰熔化成液态水时,水分子中的化学键的键能增大了.这句话对吗? What's the weather going to be like?同义句转换_________ _________ the weather be 水分子的键能H2O中是有2个O-H吗?那么H2O的键能是928KJ/mol吗? What is the weather going to be like in Guangzhou? V形分子(如水分子)的键角是105度还是104.5度?上课的笔记告诉我它是105度,但是,资料书上又说它是104.5度.我信谁呢? 20世纪90年代以来,世界政治格局发生了那些变化,具有什么特点? As aresult of the heavy snow,the airport has been closed up until further_____A.news B.information C.advice D.message请说明答案及理由 As a result of the heavy snow ,the airport has been closed up until further _____.A.news B.information C.notice D.message 改错:(1)The highway was closed because the heavy snow that had nevew been seen for fifty years.(2)The large number of people in China are learning English now.每个句子一个错误.为什么? He was late for the meeting as a result of the heavy snow. The building of the road has been __________ up by the heavy rain. (lnx-1)/(x-e)对于x趋近于e的极限 lnx-1/x-e当x趋于e时的极限是多少? x1993y能被72整除,求所有满足的六位数? 求lnx-x/e的极限x趋向正无穷谢谢 The house__ the heavy snow.A.cover withB.covered withC.is cover with D.is covered with heavy snow d_____ the traffic the heavy snow made the trffic( )on the highwayA.stop B to stop C stopping不可能的D.stopped肯定错的A还是B WHY The snow is heavy.换一种说法,句意不变 一道英语填空:The snow was r____ heavy 形容最无根据的话的话的成语是:()言()语,括号里是什么? 城市热岛效应的原因主要有什么? 形容很多话什么言什么语的成语 形容最虚伪的话的成语是:()言()语 how+adj+a+可数名词单数+主语+谓语.造句