如图三角形abc是等边三角形过点c作cd垂直cb交角cba

the importance of improving my english writing写一篇80字以内的作文 clown系咩意思... What is the difference between "INCOME" and "REVENUE" in accounting? Clown是什么意思? Explain the difference in meaning between Sentences a) and b) what's the difference between take part in and join in? They try hard and help each other.的翻译 help each other怎么读 许嵩新歌《违章动物》中蝴蝶为什么要飞上青天?我目睹街角的蝴蝶飞上了青天要shang-访青天大老爷蝴蝶为什么要飞上青天呢? 求许嵩新歌《违章动物》的听后感^_^ 许嵩的违章动物是新歌么 clown除了小丑还有什么意思?有什么相关的词组吗 许嵩最近有出新歌么,除了违章动物 im a 如题 许嵩新歌违章动物真难听 Diving is very dangerous.Cyling is safe.(合并成一句话） 请问在化学式中怎么表示 We learn ( ) each other and help each other用介词或副词填空 1.氩原子2.3个氨分子3.3个葡萄糖分子4.7个铵根离子5.由氮、氢、氧三种元素组成的碱 请问“I have no such book.”与“I have no such a book"的区别? 小猪的尾巴像什么,燕子的尾巴像什么,绵羊的尾巴像什么, It's such an interesting book.这个句子有错吗?为什么要加an不加不可以吗 Let is help each other的意思 Don' t worry.Let' s help_.A:each other B:other C:other cach the difference between production,product,selling,marketing,and social marketing concepts. 许嵩写出违章动物这首歌究竟要表达些什么情感? 小猪的尾巴像什么?（ ）的尾巴像（ 找一首歌 .就记得前面一句 i have a dream that i am dreaming .然后后面重复了很多次 it is climbing有人知道吗.我是在5月9号 在篮球公园节目的最后看的那个剪辑视频里面听到的歌 金山词霸2012的背单词和生词本为什么突然都不能用了,背单词显示空白,生词本登录的时候显示网络错误?网络是正常的,也重新下载安装过,甚至把注册表里的信息都清除过,全部都没用. ——What were you doing at( )last night?——I was watching a football match on TV.A.fifteen past tenB.a quarter past tenC.ten a quarterD.fifteen to ten That is one you have to 高中题The second-hand car Amy bought last month is almost new;_______ it is in excellent conditionA．besides B．though C．instead D．yet