题目

阅读理解If you want to do a school project on children's rights(权利), you can look on the Internet for some information. A United Nations website can show you plenty of useful information for the project.The United Nations lists the rights of children. Most countries agree all of them, but some countries do not. The following are some of the most important rights of children:Children have the right to be properly fed, clothed and sheltered (庇护） by their family. If their family can't do so, the government should take responsibility.Children have the right to an education and medica向四支试管中分别加入少量不同的溶液进行如下操作，结论正确的是（　　）操作现象结论A滴加AgNO3溶液生成白色沉淀原溶液中有Cl-B滴加氯水和CCl4，振荡、静置下层溶液显紫红色原溶液中有I-C向装有Fe（NO3）2溶液的试管中加入稀H2SO4在管口观察到红棕色气体HNO3分解成了NO2D滴加稀NaOH溶液，将湿润红色石蕊试纸置于试管口试纸不变蓝原溶液中无NH4+ A、AB、BC、CD、D