英语人教版八年级下册Unit7 SectionB(1a-1d)导学案.docx

Unit 7 Whats the highest mountain in the world?Section B 1a-1d导学案学习目标1.学会本课的单词和短语：cm(=centimeter), weigh, birth, adult, at birth, up to。2.学会运用比较级来谈论两个事物。学习过程 一、复习旧知 说一说、写一写你所知道的动物名称。_. 二、新课预习。预习后，你能读出或翻译下面短语或句子吗？(自学)at birth _ up to_This elephant weighs many times more than this panda. _ An adult panda weighs many times more than a baby panda._三、新课学习（一）导入新课:观看视频，并且小组讨论。同时学习新单词cm(=centimeter), weigh, birth, adult，at birth。（二）合学。看课本P53里1a中的图片谈论动物（尽量运用比较级来比较两种动物的情况） 如：1.How tall is it？ 2. How heavy is it? 3. How much food does it eat everyday ? （三）展学。Example sentences:This elephant is 200 cm_(tall) than this panda.This panda is 200 cm_(short) than this elephant.This elephant weighs _ _-than this pandas.This panda weighs _less than this elephant.This elephant eats much more than this panda.This panda eats much less than this elephant.This elephant eats _ _ more than this panda.This panda eats many _ less than this elephant.第5中much more than的意思是 ，much /a little/less +比较级+ than，表示程度“比得多/一点”。第7句中times的意思是 ，many times more than的意思是 ，英语中倍数的表达法是“A +数词+ times+ 比较级+ than+ B”表示“A 比B大（高、长、宽等）多少倍”。（四）听对话，依据所听到的内容选择正确的选项。1. Yes. When theyre born, they only weigh about to kilos.A .100 B.0.1 C. 0.22.Thats right. And the adult pandas weigh around kilos.A .16 B.15 C. 1003.At birth, its only around cm long, but an adult panda is around cm long.A .15 B.100 C. 1504.No, you would never guess! A baby panda is and it cannot see. It also doesnt have any .A .white; ears B. black; eyes C. pink; teeth5.They can live up to to years.A .20 B.30 C. 100at birth的意思是 live up to的意思是 四、巩固操练（小组活动）1、根据所学有关熊猫的知识，小组内讨论熊猫的具体信息，并写出有关熊猫的句子。比赛哪一组做得更好。2比较级的句子将你和同伴或者组里的一名同学进行比较，可以小组合作，展示比较的句子，看哪个组做得更好。五、测学。课堂训练1、Li Lei is _ than David. (tall)2、Song Zuying is one of _ singers in China. (popular)3、The Great Wall is _ wall in the world.(long)4、This TV play is _ than that one.(good)5、She speaks English_ in our class. (well)6、I think English is as _as Chinese. (important)六、课后作业写出3-5个含有形容词或副词的比较级或最高级的句子._.七、梳学。 1.词汇：cm(=centimeter)厘米，weigh 重量， birth出生， at birth 出生时，up to 至多有，不多于，adult 成年