1、必修 6 Unit 4 Global Warming （第5课时）班级_ 姓名_ 小组 _ 第 _ 号 【学习目标】1. 自主学习，合作探究，完成导学案. 2.能拼读并熟记本单元词汇 3.掌握重点单词短语的用法，并会熟练运用【教学重、难点】理解文章大意，掌握重要高频单词和词组，灵活运用,。【学情分析】学生需要提升阅读能力，扩大词汇量。一、 基础知识1.回顾旧知 oppose consequence state range glance keep on 2.基础感知 大声朗读P 93词汇 on the whole -disagreement二、 自主学习 词汇翻译（英译汉）1.on the wh
2、ole _2.economical adj. _3.hectare n. _4.average adj. _5.existence n. _6.outer adj. _7.on behalf of _8.individual n. _ adj. _9.advocate vt. _mitment n. _11.put up with _12.pollution n. _13.growth n. _14.electrical adj. _15.appliance n. _16.so long as _17.casual adj. _18.an so on _19.motor n. _20.can
3、n. _21.circumstance n. _22.microwave n. _23.refresh vt. _24.educator n. _25.contribution n. _26.imperative n. _27.heading n. _28.slogan n. _29.presentation n. _30.nuclear adj. _31.disagreement n. _三、小组讨论 提问展示1. Average 【例句】1.The average of 3,8 and 10 is 7.2.Marys s school work is well above average.
4、3.On average, we receive more than 1,000 visitors.【归纳】1.Average 词性 _意义_2.Above average_ 3.On average_【练习】_ average, the temperature was 25 last year.2. Existence【例句】1.Salt exists mostly in sea water.2.No one knows when such a custom first came into existence 3.This is the most magnificent bridge in
5、existence.【归纳】1.exist in_ 2.Come into existence_ 3.In existence _【练习】Your _（exist） is very important to me .3. on behalf of 【例句】 1.Im writing on behalf of my mother to express her thanks for your gift. 2.Tom cant be here, so his wife will accept the gift on his behalf.【归纳】1.on behalf of sb. _ 2. On
6、ones behalf_【练习】 改错 On behalf everyone here, I hope you will be happy and healthy.4.advocate 【例句】 1.He advocates a reduction of taxes.2.He advocates reforming the prison system. 3.They are advocates of free trade.【归纳】 1. advocate sth. _ 2. advocate doing sth. _ 3.advocate _【提示】 advocate后接从句时, 从句谓语需用
7、 “should do”表示虚拟, should可以省略。 People advocate that something should be done to protect the environment.mitment 【例句】1.Our company has a commitment to quality and customer service. 2Learning English is a big commitment, for it needs time and energy.【归纳】1.has a commitment to sb/sth _ mitment _【拓展】commi
8、t v. 1) 使承担义务; 使作出保证; 使表态2)做(不合法的、错的或愚蠢的事); 犯 commit suicide 自杀【练习】My aunt has a sincere _(commit) to Buddhism.6. put up with 【例句】1.He couldnt put up with the noise, so he kept the windows shut all day long. 2.I cant put up with her another day she never stops complaining.【归纳】put up with sth. _ put up with sb. _【练习】改错I cant put up this messy room.课堂小结和疑难问题：_
