四年级英语pep人教版

如图,DE把边长2a的等边三角形ABC分成面积的两部分,D在AC上,E在AB上.AD为X[X大于a]DE为Y.怎么用X表示Y 将边长为2的正三角形ABC沿高AD折成直二面角B―AD―C,则三棱锥B―ACD的外接球表面积是?...将边长为2的正三角形ABC沿高AD折成直二面角B―AD―C,则三棱锥B―ACD的外接球表面积是? what's the p- of this instrument?填pay还是price?为什么? 禁闭岛电影中的德语是什么意思最近看了【禁闭岛】,后来和开始都有一段好像是德语的独白, 就是主角Teddy Daniel那段独白,我下的是BD版本,但是依然那段没有翻译. 英语翻译写给我所爱的人------来自高中的暗恋 （要求：我想用这个做一篇文章的标题,越简练越好） 英语翻译Steve 你的帽子上面是什么?亮亮的那个东西? 翻译成英语 谢谢谢谢谢谢我心中的英雄你知道我心中的英雄是谁吗?告诉你吧!我心中的英雄是我的爸爸!我的爸爸很爱我 也很爱我的妈妈!所以我爱我的爸爸,他是我心中的英雄. 诗歌仿写夏夜,静悄悄,月亮婆婆带着一群顽皮的星星,爬上了树梢；春夜呢?冬夜呢? 禁闭岛演的是什么意思 禁闭岛到底什么意思 I was deep in thought ________ __________ ________ _________ (这时电话铃响了) in deep thought 还是in deep thoughts “非常思念你”用英语怎么说?急 求初中因式分解的练习题不要选择题,填空题,化简求值题稍难一点,100道, 1.The dictionary cost him 100 yuan2.If you don't do exercise,you will be unhappy3.What about going to school?4.What happened to the little boy?5.The students didn't leave until the rain stopped.6.We dont't know where we can go?7.They didn't know what 1.they begin to tease and bully the boy 2.I do not know what I should I 3.this film is less interesting than that one 4.without your help I won"t finish it in time 用英语解释句子,1.How surpising the news is!2.The car is big .All or us can sit in it.3.He has been a league member for five months.4.Why don't you have a look at the new machine?5.No talking.please!修改“2.The car is big .All or us can sit 谁帮我做高中必修123每个专题10题选择题1题解答题不好意思啊 人教版 用英语解释句子（初中的）22.The naughty boy is slamming the door again.3.Why don't we go skating?4.Can you do me a favour?5.May i use your typerwriter for a couple of days? 4道选择题(120-123)这里也有很多题目,有空帮帮我看看,120.my brother lies____ 168 Gansu Road.a.in b.at c.on d.by(选B?AT+小地方?)121.we don’t know_____ ; if she_____,I will let you knowa.if she comes; will come b.if she will come; 1.The students should communicate with their parents.2.The boss makes them do a lot of work every day. 雀.这个字新华字典笔画什么查?还有五笔字什么打? 五笔字训练卡怎么读 1.My parents are pretty good at playing tennis.(对pretty进行提问）____ ____ ____ your parents ____ tennis.2.---你打网球打得多好?---相当好._____ _____ _____ can you play _____?---pretty well.第一道题打错了 是1.My parents are p 两道英语填空题 初一的 快横线your横线? she is shy and friendly.横线your横线? It is 223 Green Street 关于电影《禁闭岛》的问题主角的真正身份究竟是医院的病人还是个调查员?如果是病人的话,片子一开始的时候坐船去禁闭岛那里是真实的还是主角幻想的,而且他是已经是治疗了两年的病人, 幸福家人用英语怎么说 They receiveda proportion of their __ from the sales of goods and services.A.income B.payC.wage D.salary Business people focused on the production of goods from 填选题,Business people focused on the production of goods from 1 until the early twentieth century,and on 2 from the 1920s to the 1950s.Marketing received little attention up to that point.Af people find the comfort they can get from spring much greater than答案from winter 向某人要某物的英文怎么写?