如图，BC=AB，点D为线段AC的中点，DC=2cm，求AB的长

free access floor是什么意思 关于activities after shool的作文 free internet access这个短语是什么意思 free internet access这个短语是什么意思 有谁试过Free internet access的无线接入最近北京一些地方,比如机场、长椿街一带均可搜到 Free internet access的无线接入信号,但尝试联接总是不成功.不知有谁试成功过没有?这是一个什么接入啊? 写一篇题为,Enjoy After-class Activities,的短文 内容包括对目前学生写一篇题为,Enjoy After-class Activities,的短文 内容包括对目前学生的学习个生活的看法.举例参加的课外活动级其好处 词数80个左右 Offer free Internet access,for people who cannot go online at home,including the chance to ask for ( ) online. A.time B.place C.jobs D.people.为什么选C? 需要一份宁静用英语这么说, need a quiet ? need a silence 可以吗. just need a silence ? 是仅仅需要一份宁静的意思吗? 就是RT没学好,不知道能不能这些词能组在一起不 Case all of a sudden a quiet classroom 是不是教室一下子安静了的英语解释?急 I have lots of hobbies.Suchas.I like reading and piaying computer games.I have a motto,that is w...I have lots of hobbies.Suchas.I like reading and piaying computer games.I have a motto,that is where there is a will,there is a way. I a of hobbies have a lot 排序 快 你带这个帽子真可爱 ,How cute are you in this hat.这句英语可以吗 Are you English?I want to go to the British high school,can you help me?If you can help me,please write to me.This is my email address:phd-fs.msn@hotmail.com Thank you 或者说你的朋友有英国人的. Theat every relationship as if it is the last one ,then you will know how to give . 非英文高手勿进!Can you tell me sth about Darwin when he was a child?when he was a child做什么成分,状语从句还是定语从句?一般的状语从句是对主句谓语动词的修饰,可是这个如果是状语从句,它显然是对主 when something 什么（worry）me,he often helps me .I’m_____my friend in Italy.A .visiting B.going to see C.seeing D.A and B 有人翻译一下什么意思吗?return within 30 days of the shipping date 如何提升英语课堂质量 英国英语与美国英语有哪些不同?麻烦尽可能的详细说说. Please write to your parents as soon _____ _____.填什么 The little gril can play the guitar.同义句 can the girl play the guitar?（作否定回答） 你的座右铭是什么? 英语翻译one day.a.take part in b.join c.joined 描述美女的诗词最好是唐诗宋词 求赞颂美女的诗词 She的中文翻译求求? Peter bought the compter last year .（have） Last year,I was 39 kg.Peter was 40 kg(light) The winner of photo competition last time was an 18-year-old boy改错 Grandma often ____ us something about her past life?用 say,speak,tell还是 talk And how we can transform human life on this planet if we bring as much wisdom and curiosity to each翻译成中文,哈哈And how we can transform human life on this planet if we bring as much wisdom and curiosity to each other as we bring to our scho