课 时 教 案 年级 学科
课题 Unit 8 We’re trying to save the earth! 周次
课时 第二课时 Section A (3a-4c) 课型
教学目标 【知识目标】 Important words:cruel,harmful,industry,law,scientific,affordImportant phrases:be harmful to,at the top of,the food chain,take part in,turn off,pay for,take actionImportant sentences:(1)This is not only cruel,but also harmful to the environment.(2)The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.(3)It was considered the biggest clean-up project this city had ever had.(4)We can’t afford to wait any longer to take action!(5)It’s difficult for parents with young children to use public transportation.【能力目标】能够读懂有关濒危动物和拯救地球的语篇材料。【情感目标】了解珍稀动物的生存现状,树立保护濒临灭绝动植物的意识,学会关注环境、保护环境。
教学重点及难点 1.完成与3a中语篇材料Save the Sharks!相关的阅读任务;2.复习连词so,although,if,but,when引导的状语从句,被动语态,现在完成时和情态动词的用法。
教学方法
教 学 过 程 设 计 二次备课及双边活动
◆Step 1 Leading in T:Do you like animals Do you know the shark Ss:I like animals.The shark is very big and...T:Have you heard of the shark fin soup Now many sharks are killed for this kind of soup.Sharks are fewer and fewer.This class we’ll learn a passage “Save the Sharks!”.◆Step 2 Reading 3a & 3b1.Discuss:(1)Have you ever seen a shark (2)What do you know about sharks 2.Sharks are endangered,read the passage and judge the sentences.(见课件)3.Read the passage about sharks and complete the fact sheet below.4.Check the answers.(见课件)5.Read the passage again and fill in the blanks with the words in the box.6.Check the answers.(见课件)7.Explain some difficult points.◆Step 3 Grammar Focus1.Ask the students to read the Grammar Focus and pay attention to the sentences.2.Ask one student to translate the sentences.3.Summary (见课件)(1)现在进行时(Present progressive)结构:be (am/is/are)+v.-ing(2)used to doused to do sth.表示过去常常做某事,而现在往往不做了,后接动词原形。(3)被动语态(Passive voice)结构:be + 过去分词(4)现在完成时(Present perfect)结构:has/have + 过去分词(5)情态动词(Modal verbs)常见的情态动词can (could),may (might),must,need,should◆Step 4 Practice`` 4a & 4bWork on 4a1.Fill in the blanks with the correct forms of the verbs in brackets.2.Ask the students to check their answers with their partners.3.Check the answers together.(见课件)4.Explain some difficult points.Work on 4b1.Make sure all the students know what they should do.2.Fill in the blanks with the appropriate modal verbs from the box.3.Ask one student to read his/her answers.4.Check the answers together.(见课件)5.Explain some important sentences.◆Step 5 Discussion 4c1.Make a list of things that people can do to help the environment.2.Then discuss your list with your partner.◆Step 6 Homework1.Learn all the new words and phrases of this part by heart.2.Finish the exercises in the workbook.
板 书 设 计 教 学 反 思
Summary(1)现在进行时(Present progressive)结构:be (am/is/are)+v.-ing(2)used to doused to do sth.表示过去常常做某事,而现在往往不做了,后接动词原形。(3)被动语态(Passive voice)结构:be + 过去分词(4)现在完成时(Present perfect)结构:has/have + 过去分词(5)情态动词(Modal verbs)常见的情态动词can (could),may (might),must,need,should