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a^3-b^3=a^2-b^2 则a+b的取值范围 电动车的电机牌子是双力,型号SLI6*60V10046496是什么意思? 谁知道一种转速最快,体积最小的电动机? 微型超声波马达镜头有什么标志? 是不是电动车电机漏油了呀? 氧硫化亚铁与盐酸反应离子方程式feso4可忽略 Tom left here and went to London two days ago.(同义句) Tom's brother left his hometown two years aga.(同义句)Tom's brother______ _______ _______ _______his hometown for two years.It____ _____ two years_____Tom's brother left his hometown.Two years ______ _______ _______Tom's brother left his hometown 2-10例题没看懂, 英语“对划线部分提问”这类题型的题应该怎么做,讲解,再举一两个例子!讲一下做的方法我可以给分的 英语“对划线部分提问”这类题型的题应该怎么做,讲解,再举一两个例子!我可以给分的 含羞草的叶子为什么会合拢 含羞草有哪些特点 she left shanghai two years ago ,保持句意.怎么填she has _ _from shanghai for two years.这里的left we know this area,two hundred years ago,was a lake__two-thirds of the size at presenttwo-thirds its present size要说为什么 含羞草的秘密 含羞草的秘密是什么 高一英语26She took（ ） bus to her mother‘s （ ）she had taken to work every day for the last 15 years.A the same ,that B the same ,as C such,that D such,as My uncle has been living here for twenty years (用since 改写) 这个应该怎么改? We have been living here for 12 years.(改同义句）We have been here ____ 12 years ____. i have lived here for 3 years与 i have been living here for 3 years有什么区别 高一英语22题 0.57的平方根约等于0.075对吗?说说理由要说理由 铁和硫化亚铁混合物和盐酸反应哪个先反应呀? 铁变成硫化亚铁 Then shop ____(open) at 8a.m. and ______(close) at 10p.m.可能是opens吗 The shop opens at 7:45a.m and close at 8:00 p.m改为同义句改为The shop ( )( )( )7:45a.m to 8:00p.m [-B18] The companies are working together to create ______ they hope will be the best means oftransport in the 21th century.A.which B.thatC.whatD.who翻译并分析 怎么算sin The companies are working together to create ______ they hope will be the bestmeans of transport in the 21st century.插入语they hope,即从句变成：______ will be the best means of transport in the 21st century.为什么they hope是插入语? the companies are working together 的句子结构! How to create the best best marketing proposal 3.The shop window is ________ .A.open B.openly C.opened D.close