4、一平面简谐波，振动周期T=1/2s，波长=10m，振幅A=0.1m，当t=0时，波源振动的位移恰

1.they are custom officers疑问句 .are their .（格式）2.they are Russian,一般疑问句 .they.（格式） Biggest & The Best 中文歌词Album:Clawfinger Title:Biggest & The Best Nobody is perfect but I'm pretty fucking close and I'm here to give you all a heavy heavenly close I think you better listen cos I know who you are and I think that you should t 这句英文"oh,it"s too hard!”是什么意思? 改错：Noddles are popular in China. Are rap music popular in China?改错 When is winter in China?如何回答 英语it's great怎么读 英语不好能读IT吗 下课了英文it's开头 急 SURE KNOW SOMETHING什么意思谢谢 main() { int a[]={2,4,6,8},*p=a,i; for(i=0;i 英语.this poem which everybody knows was by Li bai.这里by前面怎么没加 written呢. there was( ) just now.A.the cold rain B.cold rain C.cold rains D.a cold rain到底选什么?有的答案是D有的答案是B? you,and,like,cold,do,weather,rain?连词组句 Except sorry I can't say anything是什么意思. 关于on the weekend的作文 帮写一篇on the weekend作文.百分之百有好评! 汉译英 软件真的别烦我了!（软件勿扰勿扰——= =——）从他出席的电视辩论会上就能看出来,他那与众不同的引人注目的“特异功能”.他的外表,他的一举一动；他那向上的精神,无私的把自 ever feel like you're ni the wrong place 关于容器名称的英语单词急用! When you feel like going up,remember why you held on for so long in the first The Sun Doesn t Like You 歌词 怎样使自己的英语说的更美式一点? 求凯莉米洛唱的All the Lovers中文歌词.It's all I wanna do,so won't you dance I'm standing here with you,why won't you move I’ll get inside in your groove,cause I’m on fire,fire,fire,fire.It Hurts When you get too close,but baby it hurts 春节期间的民间故事.字数必须要在五十字左右. All we had was just one summer ,two lovers strolling in the park是那首歌里的歌词 i felt great p----- for the woman who lost her money a great weight the mother felt brought off her mind the moment she found her lost son马上就要！ 这几个字啥成语 求成语终南捷径的故事,字数在600字以上!终南捷径成语的典故,发生在唐代的故事,要在600字以上才可以哦 英语翻译 这句咩意思I'd Rather Be an IdItot Than Lose you我中意的讲比我知的