题目

阅读下面材料, 在空白处填入适当的内容(1个单词)或括号内单词的正确形式。I had hardly sat down on the train and opened a bar of chocolate 【1】 a really old man with huge bags sat down across from me. I said hello 【2】 him, smiling sweetly and then I suddenly thought, “Why not offer him a piece of chocolate？” So I did. He was quite 【3】(surprise), but accepted and thanked me. He said that people didn’t usually do things like this for 【4】(strange) at least that was what I understood, because he was speaking a really 【5】 (usual) dialect.Then he溶液中只能有一种溶质． （判断对错）