问题
填空题
根据汉语提示填写单词。
1. Good morning, Cindy! _________ (欢迎)to our school.
2. I like living in a house with a small _________(花园).
3. Could you give me some cakes, Mum? I'm _________(饿了).
4. The supermarket is at the _________ (开始) of the Qianjin Street.
5. There are many interesting _________ (地方) in our city.
答案
1. Welcome 2. garden 3. hungry 4. beginning 5. places
溶液中滴加
溶液 5 ~ 6滴后，再进行下列实验，其中可证明
和KI的反应是可逆反应的实验（含现象）是 
溶液，观察有黄色沉淀产生
振荡后，下层液体为浅紫色
溶液，溶液显红色