英语人教版八年级下册Unit7Section B1a-2d.doc

Unit7 Whats the highest mountain in the world?教学设计Section B (1a-2b) 学习目标： 知识目标：1.理解文意，学会重点短语：weigh；weight; with excitement ; fall over; walk into; die from; there be sb. doing sth. 能力目标：重点短语的实际运用。情感目标：通过本课学习增强学生互相尊重的意识。 教学流程：一、对比导入，直奔主题以书中1a大象与熊猫体重，饮食等特征的对比直接导入，巩固比较级的用法并讲授倍数的表达形式。 Elephant Panda is 350 cm tall is 150 cm tall (standing on two legs) weighs 5,000 kilos weighs 100 kilos eats 150 kilos of food a day eats 10 kilos of food a day1.This panda is 200 cm _ than this elephant.(short)2.This elephant weighs many times _ than this panda.(much)此处讲解weigh及所对应的名词weight,并做练习题加以巩固练习。 Whats the _(weigh) of the desk? His bag _(weigh) three kilos. Can you help me _ these apples? His _is 70 kilos. How much _ he _(weigh)?适时地巩固练习可以让学生更好地掌握利用所学知识。3. This elephant eats many times _ than this panda.(much)结合2.3题，为学生讲解倍数的表达，并让学生通过观察归纳出倍数的表达形式。The tiger is 50 times bigger than the cat.The wall is three times taller than Tom.This box is five times as big as that one.Tom is twice as heavy as his brother.A +谓语+倍数+adj. 比较级+than B ：A比B.倍A + 谓语+倍数+as + adj. + as B ：A是B.倍. 二、详解熊猫，深入阅读 1.图片导入，初解熊猫 以一张熊猫小时候的照片，让学生们对熊猫进一步了解。 At birth, a baby panda is about 0.1 to 0.2 kilos and about 2.15 cm long. A baby panda is not black. It is pink and it has no teeth .A panda can live up to 20 to 30 years.同时强化短语 at birth, live up to 短语及其用法。 _(出生时),the baby is only 45cm long,so the doctor said he couldnt _(活到)10 years old. _(出生时)，the baby dog cant see anything.Jacks dog _ (活到了)30 years old.2.文段阅读，掌握短语自读文本第一段，然后根据教师幻灯片上出示的动态图片说出第一段中涉及的短语fall over，run into，walk into，run over to the keeper with excitement针对以上短语为学生出一些习题，对短语加以巩固练习。I received an _(excite) gift from my mother. What _(excite) news it is! We are _ (excite) to hear the results. Tom came in with _(excite).用run over be awake fall over walk into excite适当形式填空Last night, little Tom _ (醒着的)at ten. He was hungry. So he wanted to find something to eat. In the dark, he walked towards the kitchen. He _ the door without wearing glasses. At that time, the light was on. He _ to his parents with _. Unluckily, he _.3. 小组合作，总结短语学生先自读剩下文段，找出教师出示在大屏幕上的短语，再小组合作交流沟通确定短语。有某人正在做某事 there be sb. doing sth 每两年 every two years死于 die from .花费时间做某事 spend time doing sth.濒危的野生动物 endangered wild animals做研究 do research.的重要性 the importance of适时操练，让学生更好地理解短语并巩固使用。There are some people _(talk) about him.There is a monkey _(eat) bananas in the tree.He always spends most time _(play) games.Jim spent his whole holiday _(in / on) guitar.Tigers are _(danger) animals.The boy in the