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山泉水和矿物质水有什么区别? 纯水机制水多久后水才可以喝? 婴儿喝自来水好,还是喝净化水好,还是电解水好? 喝净化水对人体有好处吗谢谢了,大神帮忙啊 喝什么样的水对身体有好处?是纯水,是纯净水,是矿物质水,还是其他的水? 喝净化水对身体有害处吗我经常喝净化水我想知道害处大吗 纯水如何做成富含氧气的纯水?富含氧气的纯水对人体有何好处? 求助英语首字母填空题1.If you go to a park,please buy the t____ first2.Please c____ the map of China blue 英语首字母填空题目air is everywhere around us．hot air is very （l ）．and some early （b ）used hot air．you have seen hot （s ）rising overa fire．the hot air takes it up．some ballons carried the fires under them,then they took 英语翻译1.He works in a computer c_________ not far from his home.2.After leaving school John went to a c_______ in London.3.Which is the quickest r_______ from London to New York?4.The t_______ is usually busy at this time.5.Have you made your _ 喝纯净水对身体对身体有什么危害? 英语填空题 急 喝直饮水对人体有害吗?刚安了个直饮水水设备,同学（一傻子）说喝直饮水对人体有害,真的有害吗? 英语选择题一道要原因1.Mrs.King kept weighing herself to see how much________she was getting.A.the heavier B.the heaviest c.heacy D.heavier While Midori was a girl,she could hum songs and difficult _______music.A.a piece ofB.pieceC.pieces ofD.the piece of主要是原因啊 一道英语选择题以及其原因-_______?-He went to the library.A.Where did you go B.Where did he liveC.How was he D.Did he go to the library The driver tried everything he could think of,but the car just____not move.A.should B.might C.must D.would 英语选择题一道说理由-Do you have any idea what Paul does all day?-As I know,he spends at least as much time playing as he____.A.writes B.does writing C.is writing D.does write 求助几道英语填空题1.The meaning tested is often one not frequently found in textbooks of not familiar _____ test-takers.2.If you take time during the week to think over the last meering.You are likely to come ____ with new ideas to contribut 直饮水和矿泉水有什么不一样吗? I am sendng an e-mail to my famly in China 1：变否定句 2：变一般疑问句The family has clinner 1：现在进行时 2：一般疑问句 还要否定回答Weare living in China 1：对We提问 2：对地点提问 What kind of potatoes would you like?What kind of potato would you like?哪个对?没有上下文 这几组单词有什么区别啊!its/it'slie/lay/lying/laying/laidrise/rising/rose/risen/rasie/raising/raisedlearn/learns/learning/teach/teaches/teaching/taught 17.55beneath each of the following sentences there are foyr choices marked A.B.C.D.choose the one answer that is closest in meaning to the sentence you drink like fisha.you drink a lot of waterb.when you drink water,you look like a fishc.you drink to 英语翻译关于万圣节由来的,传说最多的版本认为,那是源于基督诞生前的古西欧国家,主要包括爱尔兰、苏格兰和威尔士.这几处的古西欧人叫德鲁伊特人.德鲁伊特的新年在十一月一日,新年前 怎样清洗纯净水桶?纯净水桶的价格?怎么办呢? 当平均数和中位数差不多的时候,如中位数是237平均数是236.5谁更能代表数据的一般水平? 比较大小：232乘236与233×235 232+239+237+235+236怎么巧算 235*137/234+137*235/234怎么算简便 英语翻译The sample was activated at 150 oC for 12hwith dynamic vacuum before each measurement.The activatedsample weight was measured after experiment and wasused to calculate the SO2 adsorption results.The activatedsample weight for Ni(bdc)(ted) 英语翻译3.2 Spectroscopic characterization of SO2 adsorption anddesorption in M(bdc)(ted)0.5.To unravel the nature of the interactions between SO2 moleculesand the Ni(bdc)(ted)0.5 framework upon SO2 adsorption,we performed in-situ IR measurements