正方体的外接球

地面上直立一个长方形ABCD,AD=1cm,AB=2cm,投影AD'垂直于AB,且太阳光线与地面成30°角,计算投影的面积地面上直立一个长方形ABCD,AD=1cm,AB=2cm,太阳光线如图中的虚线所示,投影AD'垂直于AB,且太阳光线 I took lots of photos and I'm sending them ____this email to you.为什么要用with,用in不可以吗? I took photos and I am sending them with e-mail to Someone took them.they were took this morning.怎么翻译? 把下面的字去掉一笔,变成另一个字,然后组词. we usually-----[watch] TV on sundays. 待、钧、师、候分别去掉一笔,可以变成什么字,并组词 yesterday,we watch a TV program____(填介词）Cai Yongyuan是WATCHED.. 治去一笔是什么字组词 他爬山时把腿摔伤了 汉英翻译 用have sth done他爬山时把腿摔伤了 英文翻译 用have sth done,表示遭受,受到 truly madly deeply歌词翻译 英语翻译要看得清楚的3Q`` Truly Madly Deeply《trully madly deeply》 能翻成中文意思吗?. truly madly deeply这支歌的歌词译文歌手：savage garden 英语翻译要每个字都译出来哦,最好翻译得美一些~好的最后给追分哦~ have sth.doneWhat did she have stolen once?请问这句话会不会引起歧义呢?曾被偷过什麼或偷过什麼?另外,这句话可以改成 What had she stolen once? have sth done等于什么who would you like to have ————（repair）the bike No wind,however,could blow them away.翻译 I like to have my bed_________clean and tidy.A.look B.looking C.to look D.looked选择哪个?不是有个have something done 的句型. No wind,however,could blow them away翻译. 翻译To blow them away the forest can stop the wind__the soil A blowing away Bfrom blowing away C blow away D to blow away 她经常和他们一起去攀岩.（中译英） She often ____ _____ _____ with them. 一首英文歌开头是how do you do .开头的音乐类似于吹口哨的声音 跪求《那一种温暖》作文,600字左右 英语高手来、get/have/find sth done的区别 have/get something done是英语什么语法?同上 sth.done 和 have sth.done 的意思和区别! have sth.done和get sth.done的区别?和get sth.done有什么区别? (on) both sides of the way,ther are some stone animals.为什么用on Some kinds of animals can ____ the colour of their surroundings.A、take on B、dress up C、put on D、get into 啤酒瓶为什么会裂开?1.啤酒瓶是玻璃做的温度太低冻裂了.2.啤酒结冰时,体积增大,把瓶子张了.3.啤酒在低温下释放气体把啤酒瓶胀破了、