牛津译林版八年级英语下册unit8全章学案.doc

牛津译林版八年级英语下册unit8全章学案 8B Unit 8重点单词、词组、语法解析 Ⅰ. Ⅰ.课堂导入 If opportunity doesn’t knock, build a door. 谋事在天，成事在人 Ⅱ. Ⅱ.同步讲解 一、要点提纲： 1. be good for 对......有益 e.g: Swimming is good for your health. 考点：be good for的反义短语为 be bad for 意为“对......有坏处” 辨析：be good for, be good at与be good with be good for 意为“对......有益” Doing morning exercises is good for you. be good at 意为“擅长” I’m good at playing basketball. be good with 意为“和......相处的好” Are you good with children? 2. dig?in?the?garden 在花园里挖沟?? 考点：dig的过去式为dug，过去分词为dug，现在分词为digging 3. cause?serious?air?pollution?????引起严重的空气污染? 考点：serious? adj.认真的，严肃的,严重的 固定搭配： be serious?about sth / sb 对某事/某人当真 be serious?about doing sth 对做某事当真 e.g: He is serious about selling his house. 拓展：serious的比较级为more ?serious，最高级为most serious。其副词形式为seriously 常用短语：take sb / sth seriously 认真对待某人/某物 e.g We should take our study seriously. 4. turn?off?the?tape? 关掉水龙头 考点：turn off / on 和open / close的辨析 turn on / off 其宾语是收音机、电视机、灯、水龙头等。 open / close 其宾语是窗户、门、盒子等 5. drive sb to e.g: My father usually drives me to school. 考点：drive to 开车去，相当于go to ... by car 6. cause vt导致，造成 考点：cause用作动词的时，构成的短语有:cause trouble 惹麻烦; cause accidents 引发事故; cause sb / sth to do sth导致某人或某物做某事 e.g Tom often causes trouble to his mother. 拓展：cause还可以做名词，意为“原因，起因” 7. wise adj.明智的，充满智慧的 拓展：wise的比较级为wiser,最高级为wisest; wise的副词形式为wisely；名词形式为wisdom，意为“智慧”。wise的近义词有bright, clever 8. try to do sth. 尽力做某事 考点一、辨析try to do sth和try doing sth try to do sth “努力去做某事”，表示努力去做某事，但实际上不一定成功，侧重尽力，为了达到目的而努力 I will try to finish the work in an hour. try doing sth “尝试着做某事”，指的是一种新的尝试，并没有明显的目的性 Why don’t you try doing the experiment in another way? 考点二、含有动词try 的常见短语：try one’s best to do sth 尽某人最大努力去做某事 try on 试穿；try out 试验 9. separate v.分开 辨析：separate 和 divide 词性 含义 示例 separate “分隔”把原来连在一起或靠近的东西分隔开来，常和from连用 The machine separates the grain from the husk divide “划分”把整体分成若干部分，常常和介词into 连用 The world is divided into seven continents. 拓展：separate还可以作形容词，意为“单独的；分开的” 10. allow vt. 允许 考点：allow sb