化学毒物是指什么

The dictionary is yours.I put the dictionary on the desk just now 改为定语从句 Is___English-Chinese dictionary on the desk yours?--no,i don't haveA.an,an B.an,the C.the,an D.the,the [ ]This is _____ dictionary._____is over there.A.my；Yours B.yours;Mine C.my;Your the dictionary does not belong to your brother or ( ),it is belong to me.A yours B mine为什么是B? If this dictionary is not yours , ____ can it be ? 选择题?If this dictionary is not yours , ____ can it be ? A:what else B:who else C:which else's D:who else's答案是D 为什么? 怎么翻译? this is an orange in English that is her ruler this jacket is yellow my name is Gina一般疑问句否定句怎么改 _your ruler?A.This B.It's C.Is this D.is_your ruler?A.This B.It's C.Is this D.is this This is（）ruler.（）ruler is yellow. How much is the dictionary w——? How much is your English dictionary?同义句 要求 把 How much is 改动 How much is the sweater(改为同义句) Look This is a pen and it's red .The ruler is yellow.The key is white and the red jacket is BOb's 连词成句：my jacket is yellow this 请问比喻句怎么?写要5句. 写一句比喻句,介绍天气情况 This is my ruler中的my ruler怎么提问? 我和我叔叔期待着去旅行.用英语怎么说? 3句描写花朵的比喻句 三句描写诚信的比喻句. 描写云雾的比喻句,要有动态描写（三句以上）不要给我http://zhidao.baidu.com/question/90849471.html的句子! 描写食品的比喻句、拟人句有哪些（3句以上） 描写美女的古诗 古诗词里都有哪些是描写女人的事的啊?最好是意境比较好的 描写人的古诗有那些 有没有描写人的古诗 I didn't have any mony for a taxi(改同义句） 用是写一个比喻句 先写一个比喻句,再把写的比喻句写具体 写一个比喻句一般 I didn't have any money for a taxi.(同义句)I didn't have any money ____ ____ a taxi. 求古诗词中描写女性的笑的 30℃硝酸钾溶解度为45.8克,配制30℃的硝酸钾饱和溶液365克,需要20％的硝酸钾溶液和固体硝酸钾各多少克?具体计算过程写下