题目

关于溶液中微粒的浓度，下列说法正确的是 A．0.1mol·L-1的(NH4)2SO4溶液中：c(SO42-) > c(NH4+) > c(H+) > c(OH-) B．等浓度等体积的NaHSO3溶液与NaClO溶液混合后：       c(Na+) + c(H+) = c(HSO3-) + c(ClO-) + 2c(SO32-) + c(OH-) C．等浓度等体积的NaHCO3溶液与NaCl溶液混合后：       1/2 c(Na+)  = c(HCO3-) + c(CO32-) + c(H2CO3) D．标况下，将2.24LSO2气体通入到100ml  1mol·L-1的NaOH溶液中，完全反应 后溶液呈酸性，则该溶液中：c(Na+) > c(HSO3-) > c(SO32-) >c(H+) > c(OH-)下面是一篇应用文及其应用场合的信息，请阅读下列应用文和相关信息，并按照要求匹配信息。请在答题卡上将对应题号的相应选项字母涂黑。选项中有一项是多余选项。 首先，请阅读下列广告语： A．“Just do it!” — This slogan(口号) speaks out to teens. It tells them to do something, but only if they think it’s worth it. And if so, why not do it wearing Nike? B．“Always Coca-Cola.” — Coke’s slogans change every few years, but this one has enjoyed a lasting popularity because it shows the brand’s spirit. It seems to say “Coke is the only drink there is; there are no other forms of drink.” C．“Share moments, share life.” — This slogan from Kodak connects photos and beauty. It asks people to remember the happy moments in life by taking photos of them — using Kodak film of course! D．On hearing the slogan “Make yourself heard”, you will know there is Ericsson product for you to call anyone. E．There are some public service advertisements (PSAs) that educate people about public service projects, such as Project Hope. Its slogan is “Project Hope — Schooling every child.” F．One toothpaste ad says “Bright-teeth fights bad breath!” The advertisers want you to read the word “fight” and think that the toothpaste cures bad breath. 请阅读以下购买者的信息，然后匹配购买者和他/她拟购买产品的广告语： Jack passed the entrance exam and was admitted to a famous university. These days, his father is looking for a mobile phone for him so as to keep in touch with each other closely. Tom was a senior middle school student. He likes sports very much and plays football every afternoon. But after class this afternoon he has to buy a pair of shoes because his shoes have been worn out. There’s a party this evening — for Mary’s 15th birthday. Her family are making preparations for it. Her brother’s job is to buy some drink. Joan doesn’t want to forget the past, especially the happy moments. Alice is afraid of opening her mouth, because a bad smell will come out, which makes her feel embarrassed when talking with others. So she needs something which can remove the smell no matter how much it is. 购买者                                              广告语 Jack                                 A．Just do it! Tom                                 B．Always Coca-Cola. Mary                                C．Share moments, share life. Joan                                 D．Make yourself heard. Alice                                E．Project Hope — Schooling every child. F．Bright-teeth fights bad breath!