英语人教版八年级下册unit7a1.doc

瑞华实验学校2015年上期集体备课电子教案年级： 八 科目： 英语 执教者：_ 课 题Unit 7 Whats the highest mountain in the world? (Section A 1a 1c)第1课时教 学目 标1)掌握生词square, meter, deep, desert 掌握句式：Qomolangma is higher than any other mountain in the world. The Sahara is the biggest desert in the world. How high/long/big/deep is?2) 形容词和副词比较级和最高级的用法个性修改教学重、难点1) 掌握本课时出现的生词及用法。2) 形容词和副词比较级和最高级的用法。课堂设问1. Whats the highest mountain in the world?2. How high is Qomolangma?教学过程导Step 1 Lead-in 1. With PPT,show the students the learning goals.2. Revision Review the usage of superlative学& 教学 & 教Step 2 Presentationsquare n. 平方 meter n. 米 deep adj. 深的 desert n. 沙漠 Step 3 Warming-up1. Watch the photos and talk about them: “How big/high/long/big is ? and help the students to answer: Its meters/kilometers/cm big/high/long/big.2. Look these photos and practice the dialogue:e.g. A: How high is Qomolangma?B: Its 8,844 meters high.Step 4 Match the facts you know.（1a） Practice in pairs using the information in 1a. Explaination：8,844 meters high. 8,844米高 meters high (long, wide)米高（长,宽)英语表示“有多长（宽，高）”时，一般将数词和度量单位放在表示长宽高的形容词前作状语。基数词+meters/kilometers+adj.(long/wide/high/deep等）How+high/deep/long/wide +be+主语？e.g. The wall is 1.7 metres wide.Step5 Listening （1b）Listen and complete the sentences.Step 6 Talking(1c)Language points1. Qomolangma is higher than any other mountain in the world. 此句是比较级表达最高级的含义。 any other +单数名词 “其它任何一个” 例如：李明是他们班上最高的一个学生。 Li Ming is taller than any other student in his class. = Li Ming is the tallest student in his class.2. The Caspian Sea is the deepest of all the salt lakes.用于最高级表达范围的介词：of ,in, among例如：在这三个中Li Ming是高的。 Li Ming is the tallest of the three.练单项选择1. -_is the Nile? -Its 6671 kilometers long.A. How long B. How far C. How deep D. How high2.How tall he is! -Ye