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have music lesson的意思是什么 发动机工作过程中,进、排气门何时开启、关闭? 一劲度系数为K的弹簧下端挂一质量为m的物体,物体下有一托盘,有托盘托着物体使弹簧恰好处于原长,然后使托盘以加速度a竖直向下做匀加速直线运动（a sth.happen to sb.造句 迟后是什么意思 为什么要有进气门提前角和进气迟闭角 ( ) can we do to stop them happening?A.How B.What C.Why D.Which 选哪个,原因是 Now Tom is having his English what nice cookies!How long did ____take you to make____ A it it B them it C it them D it's them china has a rich and colorful cultural history ad masks In the chinese long history river,the dragon is very influential in Chinese culture.The dragon isUp and down for thousands of years,the dragon has penetrated the Chinese social each aspect,become a culture of coherence and accumulation.Dragon became 雅思答题卡上有个center number,那是什么呀?还有write your name below是写汉字还是拼音呢?另外,frist language code,中文是多少啊? Please write your name below the line.求划句子成分 Sign your name( )the line.A under B below C beneath 为什么? 帮我写篇作文吧 why do me stop smoking重重有赏啦 谢谢大哥大姐们.200-300词 If you _____ stop smoking, you can only expect to have a bad cough.A. won't B wouldn't C.don't D.can't为什么选A 老师您好!请问You'd better stop smoking（改为同义句）因该怎么改?You'd better ______ ______smoking there 与over there,当there也表示在那里时,这两个有什么区别吗?还有在这句中：there‘s a tree house there.能不能用over there取代呢?而这句：Ask that man over there.这句能不能用there取代呢? 五年级上册24课《最后一分钟》这首诗表达了作者什么感情?是怎样表达出来的? over at there和over there的区别 “小女孩伸手去拿桌上的苹果,但他太高了”的英文翻译 click one's heels 什么意思 谁知道英文歌词中含 ‘should I wear and high heels ' 具体的我忘了 Click Click Click 歌词 I just going to go to buy a high heels是汉语什么意思 stop smoking before smoking stops you 你要吸烟吗?英语是用 Are you smoking 还是Do you smoking?为什么?Are you smoking 是现在进行时吗?do you smoking是现在进行时吗?英语句子里是不是一定要有时态?请解释得容易懂一些 高一英语必修2 stop smoking now这篇课文为什么百度不到啊?求翻译 一道物理题,质量为M的托盘有质量为m的物块,劲度系数k,弹簧处于原长,放手使其向下运动.对处于平衡位置的托盘加向下的力F,带稳定后松手,问F的最大值使托盘与物体不分离 汉译英在线翻译 stop smoking before smoking stops you Write a report on the seasons of your ownp .这句话的中文意思是什么?Write a report on the seasons of your town .