【重点词组】1. invite sb. to do sth.邀请某人做某事2.one of +形容词最高级+ 名词复数3. say thanks/hello/sorry/good-bye to sb.向某人致谢/问好/道歉/告别4.
Unit1 Playing Sports Topic1 【重点单词】1. healthy(同义词)fit(名词)health2. win(过去式)won(名词)winner 3. ski(现在分词)skiing 4. famous(比较级)more famous5.