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现在实验室需要用的细胞培养箱,一般都是哪家卖的比较好?具体什么型号? 电热恒温培养箱 型号303A-1 的说明书 电热恒温培养箱与隔水式电热恒温箱的选择,使用和区别?我们已经有两台恒温培养箱,如过做微生物实验,需不需要在购买隔水式电热恒温培养箱? 电热恒温培养箱可以用作孵化箱吗 急用一篇 英文的大学新闻报道 300词左右 急求英语作文400字左右what do you think about human life一篇! what about=what do you think what to expect from college life翻译 英语作文 what do we expect from a friend what do you expect from the 4-year college life? what do you expect from college English teaching at university? what to expect from college life 这里的动词不定式做什么成分还有how to manage time at school 这里的动词不定式做什么成分 插入语的前后一定用标点符号吗,逗号?破折号?比如下句What do you suppose would happen if the director knew you felt that way ?还有fell that way 是什么意思05-4-00015 破折号在句子中的作用是句号还是逗号逗号是小停,句号是大停,破折号是小停还是大停? 下面这个句子中标点符号的分析（主要是逗号和破折号）词用长短句,一方面是为了适应音乐,一方面是为了更容易表达复杂的感情——既可以是慷慨激昂的,也可以是委婉细腻的. 水在严重浪费 英语怎么说 浪费.污染严重,很多水不能再用用英语怎么说 Could you ask her to call me back this evening? 英语翻译 you can ask her to call you back this evening.call you back画线，对call you back提问 The police caught the thief yesterday.(改为被动语态)The thief__ _ __the police yesterday. Could you ask her to____me back this evening? the thief was arrested ( ) the police yesterday 1)the police are looking for the thief.(改被动语态） They have known him___to have been arrested_____(arrest) by the police.划线上为什么用不定式的被动语态啊,应该没有know sb to 还有为什么是不定式被动语态的完成时啊，主要是两点：1.为什么是用不定式 2.为 经700度以上高温不掉杂质的不锈钢有哪些型号 一篇英语短文的意思!The dog is a domestic subspecies of the wolf,a mammal of the Canidae family of the order Carnivora.The term encompasses both feral and pet varieties and is also sometimes used to describe wild canids of other subspecies or 304不锈钢在高温550左右时会膨胀多少? 帮忙找一篇有寓意的英文短文最好字数不要太多,要有寓意在里面. 英语翻译王瑾怡 这个名字要是翻译成英文名 怎么样好听瑾怡能拼成英文名字吗? Finally yhe thief handed everything _____he had stolen to the police.A:the thing B:that C:were D；was .选哪个?为什么? Remember to ask her to call me back.——______ A.Never mind B.That‘s right C.Up to you D.Got it