奥数题，妈妈今年32岁，是儿子的8倍，几年后是儿子年龄的3倍

It's __ to see the lightning flash. A frightening B frightened C frighten D fright 为什么?这么久都没有答案？ It can not be his.It's（）（）,small for him.这不可能是他的,这对他来说太小了 月光石会发光吗产地在何处,有什么典故吗 月光石晚上在房间里能发亮么?手链的 The activation mail has been re-sent. 中文翻译是什么意思啊? 望知道的人快点告诉我!记用! 月长石（月光石）怎样才算好?我想买一条月光石,但是市面上有冰种,透白光,透蓝光的.那怎样才算是一条好的月光石?是透白光好,透蓝光好?冰种是不是会好点?淘宝这间店卖的月光石好吗?二楼 什么是月光石?月光石有什么作用?月光石怎么保养? 使用gmail邮箱给韩国人发邮件,发完邮件后出现了下边的内容：메일 주소가 아래와 같이 변경되었습니다.변경 전:sh 英语potato is a lovely boy.是什么意思?/大家帮帮忙,谢谢啦! 有谁知道宠物小精灵歌lovely boy的歌词啊? all the students 和 all of the students 分别? I want to give the banana(to,for)him. 1.i am so happy that i can do something to fight poulltion.2.i am happy that i have learnt to swin.请问第2题比第1题少个so,这样的so ,that叫什么句型 能分别把它们换成表示原因的不定式状语来表达吗?3.why are the facto 车辆动态监控系统能控制多少车辆 Practice和exercise有什么区别 求教SIMULINK仿真错误：The diagram must contain a powergui block.The block must be named 在使用simpower时,一运行就出现如下提示：The diagram must contain a powergui block.The block must bR2010a版本, powergui的fft analysis,出现“the siganl must contain at least 1 cycle(s) of fundament frequency”困扰已久,.. 做外贸,客户说The invoice must contain the reference to the Contract,要怎么写?我发了一张PI给他,他还要签一份合同 改为被动语态,We ofen heard Mary sing in her bedroom. sent to 9992 has been deliered successfully 何谓计划?计划的性质是什么 英语翻译很喜欢这首歌. 英语翻译提供歌词如下：Cold as the northern windsin December mornings,Cold is the cry that ringsfrom this far distant shore.Winter has come too late,too close beside me.How can I chase awayall these fears deep inside?I'll wait the signs to 英语翻译Caribbean BlueRoma Ryan...Eurus......Afer Ventus......so the world goes round and roundwith all you ever knewThey say the sky high aboveis Caribbean blue......if every man says all he can,if every man is true,do I believe the sky aboveis The big birthday cake was divided into ten parts and ( )(give) to ten persons yesterday “forgotten as the The multiple protein alignment 翻译 英语翻译眼科斜视相关‘Measuring Horizontaland Vertical Eye Alignment’该如何翻译? 英语翻译感觉似乎不太准确，我是研读2002年Science上的一篇文章遇到的，把摘要复制给你们看Electrostrictive and alignmentforces as well as chain cooperativity are responsible for the osmotic compressionof the polymer so 英语翻译帮下忙急 microtubule–microfibril alignment hypothesis中文翻译是什么?