myloosetooth

求鉴定这是什么石头,此物材质细腻 光滑 不透光 颜色墨绿 请帮我看看这颗石头是什么材质的 这颗石头的质地软,材质是什么?请问值钱吗? Small pumpkin is a small Only I was standing in-situ,Is still waiting for you 3Q If one day the sky had fallen,Do you still stand there waiting for me 英语I use my computer for sending e-mailsI use my computer to send e-mails.I use my computer for sending e-mails.两句话意思一样,为什么第二句里的sending 要+ing呢?我是初学者,麻烦解答下, I could not afford to rent a house like this ,__buy it.A no longer B no more than C let alone D instead Now that you like the house so much,why not buy it?—Well.I can’t afford ____ houseNow that you like the house so much,why not buy it?—Well.I can’t afford ____ houseA.that big a B.a that bigC.that a big D.a big that选哪个?这里又牵扯到 I can't afford ___ house.A.that big a B.a that big 为啥选A,还有有没有it's that big的用法 He would like to go the house first before deciding to rent it 在电渗析里除碳器一般放在什么位置的 电渗析设备水质不达标要更换哪些东西这位兄台请看清我的是什么设备，我是要更换电渗析设备里面的配件耗材 求"pass the exam"的汉语翻译 o matter what i do All i think about是什么意思?RT Jim and Mike know how to use computer.（改为否定句） ____ ____ Jim ____ Mike knows how to use thecomputer. 设椭圆C：x^2/a^2+y^2/b^2=1(a>b>0)的离心率e=1/2,右焦点到直线x/a+y/b=1的距离d=√21/7,O为坐标原点 ①求椭圆C的方程 ②过点O作两条互相垂直的射线,与椭圆C分别交于A,B两点,证明：点O到直线AB的距离为 You have to wait 14 seconds till next download什么意思 I'd like to have been waiting for 妤念什么 My cute is lovely这么写对吗? 妤怎么念 我想写好作文,也喜欢写作文.可是不知道该怎样写才能写好?我想表达的意思就是写不出来,我渴望像那些优秀的作家那样写出优美的句段来,可是每次写作就没词了,我也没少看课外书啊!为什么 My lover.I wait for you.I just need your heart翻译这句话? I listen to music after lunch .What about ______(he)? We ___ (most) listen to rock music.What about you? sorry,toney isn't here right now.同意句sorry,toney isn't here ____ ____ _____.At the moment 初一英语 Lily [ ] this photo to school c# 字典 Dictionary排序问题现有字典Dictionary dic = new Dictionary();dic.Add("bca",new List(){"xkyz"} );dic.Add("c",new List(){"xdz"} );dic.Add("absdc",new List(){"xyz"} );dic.Add("dxzcu",new List(){"fyz"} );排序依据字典健的长度来 This is my fmily photo.改为同义句 格式This is _____ _____ _____ _____ _____. online etimology dictionary 是什么字典 可能你们需要买本字典 ___ you ____________ a dictionary.