中国大陆距离关岛多远

111…1(2013个1)?222…2(2013个2)是一个2047位数,它能被13整除,中间的问号处应该填什么?是4027位，打字错了 红外线波长:850nm是什么意思 关于初2英语的比较级句子练习题有么?继续!我为了我这个都要炸咯! 改写句子1 This jacket is not as cheap as that one .This jacket is _____ ______ than that one .2 My uncle is shorter than my father .My father is ______ ______ my uncle .3 Tom is the happiest boy in our class.Tom is ____ ___ ______ _____ boy in ou 红外接收二极管分波长吗?必须和发射管波长对应吗? I want to buy a new bike,and my mother will a__ to give me some money.(说明原因）agree行吗？ When I lost my job,my mother helped me by ___ me __ some money怎么填? money,I,mother,a,for,ask,soccer,to,some,my,buy,ball连词成句 My mother usually () me some money to buy breakfast 反义词填空原型为get sina>cosa,如何得到π/4＜a＜5/4π?我不太会,把我当成傻瓜,每一步要有公式和理由 设5π 男人说想你的时候代表什么从老公手机里发现他对一个女人说想她,之后我问他是怎么回事,他和我解释说只是普通朋友,对她很崇拜.但是我始终不太相信.谁能帮我分析一下.当男人这么说的时 若sinA=4/5,则cosA=(A)3/5 (B)3/5或-3/5 (C)1 (D)-3/5 当一个女人对男人说想你的时候意味着什么? 当男人跟你说好想你的时候,其实是在向你打招呼 小学、初一的英语都学不好.我该怎么办?我其他科目都很好，都上90。小学英语几乎全部内容落下了，小学英语教材是“深圳小学英语现行教材”，初中英语教材是“牛津深圳版”。我的词汇 Think of this situations: Your mother is busy in the kitchen. She suddenly asks you to pass someflat to her. You do so. What wil your mother say? Maybe she'll say n_____. She just goes on doing the c_____. After a while, the dinner is ready. Your mot she is going to buy her mother some flowers的同义句还有Theyusually go fishing twice a week.对划线部分提问 划的是twice a week My mother is busy,but she is helping ___ to buy some apple juice.(I)We need a little jam today.(改为一般疑问句)___ we ___ a little jam today? The gym is open ________ 6:00 am to 11:00 pm,from Monday ________ Friday.A.at … on B.between … in C.from … to 1+2-3-4+5+6-7-8+9+10.+1991=? 如果出国读研,是直接考GRE还是还需要考托福? 出国读研先考托福还是GRE what should I do,Mr.Lee?________English well,you must work hard.A.Learn B.Learning C.To learn D.Having learn还要原因。 三路大军挺进中原后建立的三个革命根据地名称 三路大军挺进没有三路大军挺进，是三路大军挺进中原后建立的三个革命根据地名称是什么？和根据地方位 , The shops are open at 8:00 am and 5:00 pm. 可以有几种改正方法 It is open between 9.am and 5.pm 46．When does Mr Black close his shop?A．At 8 am． B．At 8 pm． C．At 6 am． D．At 6 pm． 47．The m46．When does Mr Black close his shop?\x05A．At 8 am．\x05\x05\x05B．At 8 pm．\x05\x05\x05C．At 6 am．\x05\x05\x05D．At 6 pm．47．T 我们最近在做多糖含量测定,今天测了下标准品（D-葡萄糖）以及样品的最大吸收波长,基本上在506nm左右.但文献报道的是在490nm左右,其标准品为葡萄糖.那我可否用506nm的峰作为最大吸收波长呢 多糖含量测定时,空白对照组有颜色, 均为空白试验,左边反应体系：0.5mL 5%苯酚（未经蒸馏取去182℃馏分）,2.5mL浓硫酸.右边反应体系：0.5mL蒸馏水,0.5mL 5%苯酚（同前）,2.5mL浓硫酸.3个月前按照 测定多糖含量时为什么要用换算因子,必须用换算因子吗? 怎样做作业更快?而且不抄袭!