英语人教版八年级下册U72课时教案.doc

课题Unit 7 Whats the highest mountain in the world?Section A 1a-2c主备人战美思学生年级8年3班教 学 设 计教学目标一、知识目标：1.熟练掌握词汇：square, meter, deep, desert, population, Asia, in size, meters long/high/ 2.熟练掌握较大数字的读法，能表达出多长、多宽及能用比较级和最高级谈论各之最二、技能目标： 能听懂和谈论有关地理和自然的话题。三、情感态度：学会用形容词的最高级谈论地理及自然方面的知识，让学生能更多地了解世界和中国地理、历史等方面的知识。教师活动学生活动Step1 GreetingsStep2:lead inTalk about numbers.1. Can you read them? (8 25 185 3605)2. what about it? (3141592654)Step3.Read and learn1.Teach how to read big numbers and sum up the rules2.Lets try Read the big number (3,141,592,654)together3. Have a tryWork in groups and read the numbers on the computerThen reportStep4:Presentation1.The top of the world（1）QomolangmaWhats the highest mountain in the world?Its .How high is it ?Its 8,844.43 meters high.（2）The SaharaWhats the biggest desert in the world?Its .How big is it ?Its about 9,600,000 km2 in size.（3）The Caspian seaWhats the deepest salt lake in the world?Its .How deep is it ?Its 1,025 meters deep（4）The Nile Whats the longest desert in the world?Its .How long is it ?Its 6,671 kilometers long二、1b.listen and complete the sentencesStep5:Summary1. 比较级和最高级2.How long/wide/high/deep.is it?Its 数+度量单位（meter.）+adj.(long/wide/high.)Step6:Practice1.Talk about the top of the China2.Listen2a、2b.number the facts in order and fill in the blanks with the numbersStep7:Game Look and sayStep8:Enjoy a song Step9:Homework板书设计 Unit7 Will people have robots？1、 Numbers：billion、million、thous