氯气与液氯

什么是冷疑式油雾净化器?他的特点是什么?机床可以使用冷疑式油雾净化器么?机械式和静电还有冷疑式那个更加合适 请问古代铸剑把炙热的剑分别放到凉水,热水和油里冷却,这样造出来的剑各自有什么特点? by the time he realizes the mistake he has made,it will be too late for him to do anything about i为什么用has made? 里新来的犯人用英语怎么说?fish / fresh? May I take your order now?这句话是什么意思? it is said that he was failed again可以换成he is said to have failed again.为什么是完成时,为什么用is,不可以换成,he was said to fail again order 的用法 After he _____his mistake,he promised not to do that againafter he () the mistake,he promised not to do that again .,realize B has realize C will realize D realized为什么要用过去式 （a、r、n、o、g、e）可以组成什么单词 g e a n r o可以组成哪个单词 r a o n e g能组成什么单词 元素周期表怎样能快点背会?要有自己的见解,不能复制别人的答案啦 这样快速和高效背元素周期表?怎样快速和高效背元素周期表?那么多怎么背好呢? good的比较级是什么 小胖你发什么了?你发的那个标题是忻州橱柜的贴子,你自己看看去.@忻州小胖 小胖英文是什么 我是小胖.为嘛叫小胖. 元素周期表怎样能够快速背下来? 元素周期表全部背下来全部!不是前20...给个办法,还有要横着背! bad的比较级最高级 I like going to the movies with my friends and playing sports.那个动词后可加双宾语?· What ___ the plant need?A.is B.doed C.do 伊朗、土耳其、沙特阿拉伯畜牧业世界著名原因是什么 My brother ? thirteen and l ?14.We ?both in Grade seven.（be）：我不会呀! He is a student in Grade Eight .改为同义句 稀土中含有什么? 定语从句I like the place __ __is always warm两个空,怎样填? then I go right home and eat dinner.主语是我 ,谓语是go和eat,宾语是home和dinner.那么then该如何解释? good比较级 good的比较级,谁知道?【急】 good 的比较级是什么 my name is sally.I'm a student.I have e brother.his name is Eddie.