[基础知识•夯实] ⅰ.单词拼写根据汉语注释写出下列单词的正确形式。 1. class two and class three will________(竞争)for the gold medal in the basketball match. 2. this kind of change is a________(物理的)change, not a chemical one. 3. there are no________(便宜货)in the clothes shop at the moment. 4. she writes a________(定期的)column for a national newspaper. 5. to my surprise, you________(有魔力地)showed me the beauty of math. 答案：1. compete 2. physica
