冀教版英语八年级下册Unit 2：Lesson 8 Why are Plants Important？教案

课题 Lesson8:Why Are Plants Important? 课时
教学目标 1.能够掌握课标要求的“四会”词汇：pleasant，basic。2.能了解如何介绍植物的重要性。3.能了解更多有关植物的名词。
教学重、难点 1.了解一些与介绍植物重要性有关的重点词汇：clean，cool，important，basic 2．向他人介绍植物的重要性。3.掌握一些描述植物重要性的句子。
重、难点突破策略 ①精讲精练②writing：Plants Are Important
教 学 过 程 设 计
Step1:Learn new words:(见精讲部分）重点学习四个单词Step2:Read the lesson and finish exercise1 on page21.Step3:Read and answer the questions:What can we feel in the shade?Do donuts grow on trees?What are medicine and clothing made from? Step4:Language points:（见精讲部分） 个案补充栏

精 讲
一、New words:1.?.pleasant adj 作表语或定语eg. We had a pleasant trip to Shanghai. We spent a pleasant day in the country.?. pleased adj be pleased with sb/sth对……满意的、高兴的eg:Are you pleased wiyh your new flat? Your mother will be very pleased with you.?. pleasure n.高兴，乐趣，趣事 have the pleasure of doing stheg:She had the great pleasure of dancing with you.With pleasure 用在别人请求你帮忙时，表示“这是我的荣幸（我很乐意去做）”。A:Will you lend me your book?B:With pleasure.My pleasure 用在你帮别人的忙，表示“这是我的荣幸（帮了这个忙我很乐意）“。A:Thank you for helping me .B:My pleasure.④.pleasing adj. 使人愉快的eg:The news was very pleasing to us.2.in the shade 在树荫下eg.They are sitting in the shade having a rest.3.at the bottom of 反义短语 at the top ofeg.He is at the bottom of the list.二、Key points:1.be important toeg.Computers are important to our life.2.carry… away eg.Don’t carry the newspapers away.3.take energy fromPeople can take energy from the sun and water.4.turn(from A)…into /to Beg:Water turns into ice when it freezes.The witch turned the prince into a frog.5.in a word /in short/ in brief 总而言之eg: In a word/ In short/In brief, he told a lie to us.fulfill one’s basic needseg.Trees and plats help us fulfill our basic needs.7.①be made of 用……制成（物理变化,看得出原材料）eg.The desk is made of wood .?be made from 由……制成（化学变化,看不出原材料） eg.The wine is made from grapes. 酒是用葡萄酿造的
?be made by 由（人）制成 eg. The table was made by the carpenter. 这张桌子是木匠做的.
④be made into 被制成 eg.The wood was made into desks. 木头被制成了课桌.
⑤be made up of 由……组成eg.Our class is made up of 45 students. 我们班由45名学生组成.⑥be made in 产于某个地方eg.This kind of watch is made in China. 个案补充栏

精 练
一、用所给词的正确形式填空。The scarf _____ (make) of silk feels soft and comfortable.The sun ______(carry) the water away from the tree.The park looks beautiful.It’s a good place _____(have) a rest.He left without _____ (say) a word.We couldn’t finish our work so early ______(with) your help.二、翻译句子。1.有一只鸟在树上休息。There is a bird______a rest ____the tree.2.树能从阳光中获得能量；Trees can _____ ______ _____ the sun.三、选词填空。1. 用pleased,pleasant,pleasing,pleasure填空。①The flowers are very _______.②I’m quite _______ that she has got such a good chance.③Spring weather is very _________.----Thanks for helping me .---- My _________用be made of/ from/by/into/in/up of正确形式填空。?The kite _________ my mother.?The car_________ 1999.?Gas ___________ coal.④The cloth _______ cotton.⑤The sports team __________ twenty members.⑥Flour can __________ bread 个 案 补 充 栏
一、1.made2.carries3.to have4.saying5.without二、having, intake energy from三、?pleasing?pleased?pleasant④pleasure2.?was made by?was made in?is made from④is made of ⑤is made up of ⑥be made into
课 后 反 思