中国海防

I wonder how much it cost( ) 括号内是否要加S? 高中英语课文朗读mp3+解释在手机可以看,听的 高中英语必修3课文朗读...急谁知道哪儿有高中英语必修3课文朗读.最好是再线就可以听的.是人教版的]而且不是要下到学习机里面...是在电脑里面听 高中任意角的三角函数那节的定义法和公式一是什么东西哦、、、如题、具体题目是下面那个、你跟我说什么是定义法和公式一就行、要是把题也解了就更好了、、用定义法、公式一求下列 任意角的三角函数定义设a/2是第三象限角,那么sin（a）/4大于零与ctg（a）/4小于零那一个对?我认为两个都对,可答案上只说ctg（a）/4小于零对. 为什么可以将锐角三角函数的定义可以用于任意角的三角函数?例如一个钝角的终边与单位圆交于p(x,y)怎么还能说y叫做钝角的正弦.谢谢 高中英语课文朗读（新人教版）哪里有啊? 眼镜用英语怎么拼? cosA的导数怎么推出是-sinA的 How much does it c()? how much does it 同义句是什么? 英语“眼镜”怎么拼写1.眼镜----- 隐形眼镜 英文怎么拼写? How much does she weigh?正确吗 ____does the baby mouse weigh?About 20grams.A.How B.What C.How many D.How muchIf farmers countinue___down trees and forests,wild animals will have nowhere___.A.cut,live B.to cut,to live C.to cut,living D.cutting,live How much does the dog weigh?改为同义句是道填空题 _____ _____ _____ _____ the dog? 同义句转换：How much does the parcel weigh? 眼镜的英语单词是什么 镜子这个单词的英文是什么呀 纸和镜子的英语单词是什么? 求一篇读书与成长为话题的作文别复制,我看过其他的.最好带个题目. 以读书与成长为话题写一篇作文 求一篇关于读书与成长的作文,要自己写的要800字 英语阅读 表示一下子照不全 先回复在发图 读书与成长的作文 要求主题鲜明、构思新颖、文笔流畅、字迹清楚,有较强的思想内涵,贴近生活,贴近实际 500字 how much does Lin Jie weight?She is 47kg in____(weight/place) 高二的英语阅读Mickael Faraday was the son of a blacksmith (铁匠).There were four children in his family and,with his father often ill and unable to work,Michael Faraday had to earn his living from an early age.This meant little or no schooli how much does the elephant weigh可以转换成what's the weight of the elephant吗? 求这篇英语阅读问题及答案What is supermarket?In the dictionary,a supermarket is a largeself-service department store.Some supermarket have two floors. 有how much does it weigh 那么有 how much does it high 参加读书活动的征文怎么写大致提纲就可以围绕奥运主题，写读后感 国际经济与贸易的要求数学高吗我是重庆的高三考生,我数学不好,这次及格都困难.但其他都很好,估计会比重本线高几十分,.而且我特别擅长英语,口语也很好.报这个可以吗?数学太差会不会影