罗伯特发明作业

为构建一个公平的和谐社会,青少年学生应该做出 怎样的努力 法语特殊疑问句中主语谓语的位置我们几点钟出发?简明法语教程上给的翻译是这样的：A quelle heure nous partons?这个是不是错了.是不是该 A quelle heure partons-nous?疑问词+动词+主语Merci. 关于一道杠杆原理的题两个人分萝卜（一头大,一头小）,用一个木棍支起萝卜,使萝卜平衡,从支点分萝卜,公平吗,若不公平,谁分的多,为什么 一道关于杠杆原理的题目两个人用一根均匀木棒抬一桶水上楼,如果水桶系在木棒的中点位置,则前面的人还是后面的人受力大?请给出理由. 一道关于杠杆原理的题,急救!如图所示：用一根自重可以忽略不计的撬棒撬动石块.若撬棒C点受到石块的压力是1500N,且AB=1.5m,BC=0.3m,CD=0.2m,则要撬动该石块,所用的力至少应为多大?不过答案是100N 轻质杠杆OA长50厘米,可绕支点O转动,A端用细线竖直向上拉着,拉力大小为1.2牛,离O点30厘米处B点挂一重为20牛的重物,当杠杆在水平位置平衡时,求：若拉力方向向右倾斜,仍保持杠杆平衡,则拉力 一道杠杆原理的问题28.在轻质杠杆两端A、B各挂有体积相同的铁块和铝块（ρ铁＞ρ铝）,调节支点O位置,使杠杆在水平位置保持平衡,如图所示.在下列情况下,杠杆仍能在水平位置保持平衡的是 求名人名言!最好是和描述青年在国家的重要性为主! 时间对青少年的重要性 关于这个的文章要英文版的,不要太长,适合初一的难度,50字左右, He was a teacher last yearThey were my 8 riendsI was a student in 2008I went fishing with my mather yesterdayHe swam in the river yesterday afternoon改一般疑问句.否定句.肯否定回答, 英语翻译I recently spent two years in the Arctic filming the series Blue Planet.I love being in an environment that hasn'tchanged for 20,000 years.Of course it's freezing,but it must be a healthy place because you never catch colds.When I'm filmi 把肯定句改成一般疑问句（有肯否定回答）,特殊疑问句（有肯否定回答）,否定句,就括号部分提问.1.I usually get up (at 6:30)2.Tom usually gets home (at 12:30)3.My sister usually does her homewok (at 7:00) 英语翻译The Customs of Halloween The custom of Halloween was brought to America in the 1840’s by Irish immigrants fleeing their country’s potato famine.|The custom of trick-or-treating is thought to have originated not with the Irish CeIts ,b 英语翻译Copper stockpiles held in duty-free warehouses in China,the top user,may be re-exported after surging to as much as 350,000 tons from almost none at the start of the year,according to Xi'an Maike Metal International Group."We can hardly f 陈述句改疑问句 并作出肯否定回答My name is Bob.Her monther is fine.He is 14. 求这篇文章的中文翻译,不要翻译器的!Wherever she goes, Molly leaves her mark. Without saying a word, she speaks to people with herkind eyes. Even when she walks away, she leaves an impression. Molly's mark is a smile, stamped intothe g 翻译What does the word"hero"mean?It means someone you admire very much. 如果你不死去 我怎么能好好活着 英文怎么翻译 house和horse加s后ses的发音哪里不同呀? anyway you go,i'll be there!anywhere you want go,i'll be there! anyway you go i will be but anyway I will be there for you! 高中三角函数与初中三角函数有什么区别? 三角函数定义里怎么通过两个三角形相似给出任意角的三角函数谁知道人教版B版高中数学必修四,三角函数定义里怎样通过两个三角形相似给出来任意角的三角函数啊? 英语翻译名字是：that's not my name我Q937378622 horse的复数 英语翻译AAlmost everyone in the world uses oil in some way.Without oil,the world will stop,so men look for it everywhere.Oilmen drill for oil in deserts,in mountanins and under the sea.Quite often they find nothing,but search for oil always goes 英语段文.带翻译! 英语翻译General Cone SAID that terrorism was not being ruled out,but that preliminary evidence did not suggest that the rampage had been an act of terrorism.Fox News quoted a retired Army colonel,Terry Lee,as saying that Major Hasan,with whom he 英语翻译Put simply,it is the “marrying-up” of products from several key industries:computers,telephones,television,satellites.It means using micro-electronics,telecommunication networks,and fibre optics to help produce,store,obtain and inform 槽饼翻译?整段文 对...残忍,用英语怎么说