土的比重计算公式

五颜六色的蝴蝶,像——在娇艳的花丛中穿梭往来,把夏天的山冈点缀得更加美丽 蝴蝶为美丽的花停留,什么为什么停留.帮忙想一组排比句 _FEED_COP(); 这是什么语句?有什么作用? feed up是不是还有教育的意思 I don't think differences are important in a friendship的意思 数字电视的英文怎么说求教 问号那一步是怎么出来的呀, 我不小心把手机调成英文了,有懂怎么调回中文的吗? 问号那里是多少? 问号里是什么? i don't think differences are important infriendship翻译 this is a book with pictures in it.为什么照片要加s? i don't think (that)differents are important in a friendship这是一个宾语从句,那哪个是主句,哪个是宾语.怎么区别呢?还有,不是说复合句有两个句子吗,那thomas wants to know where nina lives中的nina lives也是一个 railway station的音标 看到的速度回答 Harbin is an interesting city with a very colorful historyhistory不是不可数名词吗?为什么前面有a Differences are unimportant in a friendship,I think改为同义句I _____ _____ differences are________a friendship Harbin is an interesting city with a very _(color) history 英语填空she d______ think differences are importent in t______ friendship 答语I enjoyed it very much.是用how much did you like it 还是How did you like it?提问? which provide u use to feed up? 移动硬盘盒上的one touch是什么意思,有什么作用?那在什么情况下才要按这个键呢? 移动硬盘上的one-touch和DC分别是什么意思? what yo said pains me more than i can say怎么翻译呢 One Touch Tribe 英语翻译注意,请细心地看一看,尽量“口语话”些.（别老是用电脑翻译,尽可能地用人脑） 英语翻译What can I say?All I have ever believed.tell me a lesson,Game will over because it isonly a game.jep 热血海贼王里miss星期一厉害还是miss情人节厉害 机智的小朋友们,[问号][问号][问号] 问号的第方. 求助[问号][问号][问号] 谁能打出反问号来 ‘ ¿’ 问号的来源?