文档介绍：八年级英语 Unit 21--Unit 23 复****一、词汇 teach oneself 自学 fall off从……掉下来 play the piano 弹钢琴 knock at敲 to one's surprise 令(某人)吃惊 look up 抬头看,向上看 enjoy oneself 过得很愉快 help yourself 随便吃…… tell a story / stories 讲故事 leave....behind ……把……留在…… come along 随同 hold a sports meeting 举行运动会 be neck and neck 并驾齐驱 as ... as与……一样 not so/ as ... as与……不一样 do one's best 尽力 take part in 参加 a moment later 过了一会儿 Bad luck! 倒霉! catch up with 赶上 go on doing 继续做某事 fall behind 落在……后面、输给…… high jump 跳高 long jump 跳远 relay race 接力赛 Well done! 做得好! 二、句型 1、 It make s me very happy when my e to see me. 每当我朋友来看我时,我感到非常高兴。 2、 Beethoven knock ed at the door and it opened. 贝多芬敲了敲门,接着门开了。 3、 To his surprise , he found the girl was blind. 使他惊讶的是,他发现这个女孩是瞎子。 4、 Wu Peng from Class 1 ran as fast as Lin Tao from Class 3. 来自一班的吴鹏跑得和来自三班的林涛一样的快。 5、 She taught herself. 她自学。 6、 He began to catch up with Jim. 他开始追上吉姆了。 7、“ Come on !” shouted everyone, very loudly. “加油! ”每个人都大声呼喊。 8、 pass on ... to somebody 把……传给某人 9、 You mean the richest man in the world? 你指的是当今世界上最富有的人吗? 10、 He and his friends spent lots of time doing unusual things with it. 他和他一些朋友花了大量时间用电脑制作独特的东西。三、语法 1、反身代词单数复数第一人称 myself 我自己 ourselves 我们自己第二人称 yourself 你自己 yourselves 你们自己第三人称 himself 他自己 herself 她自己 itself 它自己 themselves 他(她、它)们自己 2 .并列句( pound sentence ) 由并列连词( and, but, or等) 把两个或两个以上的简单句连在一起的句子, 常见的并列句结构是: 简单句+并列连词+简单句 3 、形容词和副词比较级和最高级: ①单音节和某些双音节词加词尾-er 构成比较级,