Yesterday evening, when I went to town with my 1, we met a strange old man. It was raining 2and we had no umbrella. We were trying to get into a taxi when he came up to us. He was carrying a nice 3 and he said he would give it to 4 for only one pound.  He said he had 5 his wallet and he needed taxi fare(费用) to go back home. My mother didn't believe 6 he said at first, and asked him a lot questions. but she finally believed the man and gave him a pound. She was 7 to buy a good umbrella for so little. but the old man didn't get into a taxi. We followed him and found he went into a pub(酒吧) and bought 8a glass of whiskey(威士忌) with a pound. 9he drank it, he put on his hat and took one of the many wet umbrellas there and went off with the new one. Soon after that, he 10 it again.

①是溶液  

②是胶体 

③能产生丁达尔效应

④能透过滤纸 

⑤不能透过滤纸 

⑥静置后，会析出黑色沉淀．

根据意思写词语

①感到没有办法，只有这样了。____

②说话或行动坚决果断，毫不犹豫。____

③谨慎小心，一点不敢疏忽。____。