题目

Come to Austria(奥地利)!Soll is a village in the mountains in Western Austria, and a local(当地的) family opens a Hotel Post there. The hotel is clean and not expensive. From the hotel you can see the whole village, the forest and the mountains. Temperatures in summer are usually around 20℃ to 25℃ in the daytime, but much cooler in the evening.Enjoy Thailand(泰国)!When you visit Bangkok in Thailand, don’t miss the early morning river boat trip to the Floating Market just outside the city. There you will find many kinds of fruit and vegetables. There you can buy them when you sit 对四种无色溶液进行离子检验，实验结果如下，其中明显错误的是（    ） A.K+、Na+、Cl-、                   B.Cu2+、、OH-、 C.Na+、OH-、Cl-、                  D. 、K+、S2-、Na+