共轭酸共轭碱

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4句字不要多 不要少 4个字以上 要4句连的 We like travelling from one place to___to visit the beautiful places of the world.a.other b.another c.others d.the others 砂磨机什么样的好? 求一个大学班级的班训,最好押韵且有些成语,一两句话, My hobby is ________ postcards from each place I visit. A. to collecting B. to collect C. to be ...My hobby is ________ postcards from each place I visit. A. to collecting B. to collect C. to be walk It is the first visit of your business partner from XXX to your company,your are responsible for receipting him/her.Now introduce your company and your city to each other ,and reach an agreement at the end of the conversation.company introductioncity The first place___is the West Lake A.to visit B.visit C.visiting Is it necessary to wear school uniform every day?作文以这个题目写一篇60-80的英语作文 不要复制的,没有语法错误,要求:1.提出观点2.给出理由3.总结 Arbor 植树节不是tree planting day吗 Arbor Day 英语翻译Arbor Day (Day of Trees) April 10 (the US,Canada,Australia...) In many countries it has long been the tradition to hold an annual tree or forest festival.The origin of such celebrations dates back to antiquity and is in the dawn of religi 请问轻触开关在电路板上怎么连接?原理图上开关符号是SW-PB,只有两个触电,而实际元器件上有4个引脚,请问在PCB板上怎样连接呢?封装要怎么画? 有没有好的2*4轻触开关,哪里有做这个的? 轻触开关华展电子做的是第一吗? 如何求CuSO4铜和硫的氧化数?我们知道氧的氧化数通常为-2,但是八大定律里都没铜和硫,现在有两个未知氧化数,要怎样求呢? if you want to do your hair.中文意思是? cu2s+4H2SO4(浓)==CUSO4=2SO2↑+S↓+4H2O中,被氧化的元素,被还原的元素,还原产物,氧化产物是什么?若反应中又160gCU2S,则被还原的H2SO4为多少克 硕方电子做的轻触开关品质怎样? 硕方电子制造的轻触开关品质怎样? 氯化亚铁、氯气、硫酸铜为什么既能被氧化 又能被还原? But a better way to see the sights is to walk.It is noy easy to get l( ) be around to do sth 是什么意思? 句子We might just be around to see it.怎么翻译? Do you want to buy any shoes?用买苹果回答 don't drink-driving还是don't drink-drive edge to edge服装的, 服装尺寸中的HPS是什么部位?英文的服装尺寸规格表中有HPS这项,请教是指服装上的什么部位?例如, WAIST CIRC (14" down from HPS) 酒驾英语怎么说?是drink-driving 还是drink-drive drink drink 利盛电子做的轻触式开关怎么样? Don't forget to ____all the computers before you leave the computer room?_I won't .a.turn on b.turn off c.turn down d.turn up how many _____ do you want?A.money B .milk C.apple D.sheep he is driving very fast 同义句