初三寒假作业答案

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搬运工人在移动大型机器时,常在它的底部垫上几根圆木,其作用是_______________,从而______ 在重物下垫圆木,变滑动为滚动.减小接触面积,减小压力. Mr Bean全名是啥? 建筑工地要运一块沉重的水泥板他们用12根一样粗细的圆木垫在水泥板下面往前推行已知每根圆木的直径都是20每根圆木直径都是20厘米,圆木向前滚5圈,水泥板前进多少米?要算式~ 假设地面绝对光滑,在地面上放一个木箱,并垫上几块圆木,此时用手推木箱,圆木会怎么样原地打滑?运动?边运动边打滑? Does后动词是原形还是加ing或s!急需! He finally found the book,_were different from the one that he had sen before.A.the contents of it B.its contentsC.which contentsD.the contents of which我就是想知道为什么不选C?我觉得C等于D please try to find that book for me改为同义句 哪里有孙中山《国父全集》的在线阅读? 属于国家一类保护动物的有哪些? 属于国家一类保护动物的是: 孙中山是一个 读书胜过吃饭的人 对此有何感触 急~~~各位好心人,会的快答,拜托~~~~O(∩_∩)O 英语作文 The best ()in the world 可以是歌手、演员等(最好是唐嫣噢) 假设Susan是你的好朋友,下面是Susan的个人信息,请你根据以下提示,以“My good friend”为题,用英语写一篇60词左右的短文Name:Susan Age :14 Country:America Appearance:tall ,blue eyes ,golden hair Character:lo 汉译英 在我好朋友的帮助下,我按时完成了作业._ my good friend's _ ,I汉译英在我好朋友的帮助下,我按时完成了作业._ my good friend's _ ,I finished my homework _ _. 以我的老师们为题写一篇600字左右的叙述文 活力的反义词是什么这个错了我门抄50遍的 没有活力的反义词 热情的反义词是什么? the autumn,6 months' time,New Year's Eve ,10.30 ,1st September前面加什么介词 加注解.好的+分 My mother is busy today.改成一般疑问句 括号里应填什么介词?You most get there ( ) time tomorrow. 介词填空 you've got to be quick our time is running ( )you've got to be quick our time is running ( )can you believe the manager is up to his ears ( )debt( )such circumstances,I think you should go back home as soon as possible( Can you get toschool on time.改为祈使句 I've got many new friends.还有:Is this book yours?Our shoolis beautiful.Miss,can I ask you a question?How about coming with us?He likes reading picture books.You mustn't drop litter in the park!Who is the winner?Sally is taller than Ben.Did you k I've got a friend called Kevin Dee,And he's a star on TV.Just switch on the telly And watch for a while And there he is with a big,big smile.He's eating sweets,First one,then two,And then he stops and looks at you.He smiles and says,"I love these swe 用Plans for Eglish listening and speaking Today is mother's day.对today提问 increase怎么造句? my friends get good jobs?加will has he got a good friend?同义句 贝壳是怎样生长的?