扇形周长公式是什么

英语翻译it rains a lot every month of the year 看不懂意思 Walking dogs is a kind of__1__ and it can make old people feel less__2__ Animals such as fish,---tortoises are also people's pet1.A.game B.job C.meeting D.exercise2.A.angry B.frightened C.lonely D.happy 回答这个句子:How can peopie move as animals and fish? 买哪种英语电子词典好?词汇量要多多的 英语电子词典哪种比较好选电子词典时应注意哪些事项.医学电子词典哪种比较好. 英语电子词典买什么好?推荐一款注意我是想不仅小学生一类的可以用,一定要大学也能够用的英语电子词典.我是读建筑的,所以希望,词汇量大一点的,还能查一些生僻词.而且最好查起来方便快 想学英语,请问买哪种电子词典比较合适? 想买个英语电子词典买什么牌子好呢英语电子词典 什么牌子的好用用过的朋友提个醒谢谢 根据首字母填空 1.In winter,we s____ down that hill on sleds.2.Wake up the children and d___ them3.You can take a_____ you like. Once we get down to things,not only can we do them well but also we can find new ways them.选项在这里.A.doing,doing B.do,do C.doing,to do D.do doing要考试了. put them away ,put them up ,put them on ,put them downput them away ,put them up ,put them on ,put them down分别是啥意思 想买电子词典 词汇量 要有英英 有牛津或朗文词典的想买水平高点的电子词典 要有英英的元素周期表啊 有那些功能我不要 大侠们有什么好介绍啊上课拿个手机出来按不好吧 我用的就是智能 学美国英文是牛津词典好还是朗文词典好? 英英词典好还是电子词典好RT 我现在学英语,准备考博士,这么厚的词典带着太累了,想买个电子词典.请问买哪个好呢? 翻译 What favourite present did you get on that day last year?I got a bike from my father. 把I got a very nice present from my father改为感叹句 最激情又好听的英文歌! Peter has got a new watch (from)his father(as)a present.为什么用from Mum,this present is for you.It's from mine father. The present________his father is beautiful A for B from C to DAandB so that 的用法so that 连接2个句子的时候,so that 前后加“, so that的用法从句与主句的时态应该怎样将一些句子改为简单句时,要注意什么,时态要变化吗?还有什么要变 so that有哪些具体的用法? I see a lot of money every day.But it`s not( )1.my 2.me 3.mine 4.your I see a lot of money every day because I work in a 该同义句：I work with a lot of money every day回答是：I work with________money every day 求for so and because 的区别 我想知道so 和because的用法 完形填空中because,but,and,so的用法.给出做完形填空技巧的可适当加分! 在同一个句子里because和so有什么特殊的用法 because和so和and和all的区别