Unit 9 Save the Planet
Lesson 27 Tree Heroes
教材分析
本课是北师大版《初中英语》九年级教材第9单元第27课，该单元的话题为保护星球。本文为一篇人物介绍类文章，一共由5段构成：第1段为引入段，列举了乱砍乱伐给人类带来的巨大影响；第二段介绍了中国为什么需要多植树；第3段和第4段主要介绍了两位植树英雄：江西省的邹连英和北京市的魏桂英，这两段为重难点段落，同时是挖掘深层次问题的切入点；第5段介绍了作者的写作意图—号召我们向榜样学习，为保护环境做出应有的贡献。阅读重点定位在第3、4段，了解两位植树英雄为所做的种种努力与牺牲，支撑起了本文所传达的情感主线，作者用了大量的事实和数字来感染学生、打动学生，帮助学生认识英雄，敬佩英雄，引导学生向英雄学习，同时告诉学生列数字、举实例在表达个人观点时的作用。
教学目标
【知识目标】
从分析篇章结构入手总结归纳文章的主旨大意。
【能力目标】
准确辨别与区分与辨别facts 和 opinions。
【情感目标】
增强学生保护环境的意识。
教学重难点
【教学重点】
从分析篇章结构入手总结归纳文章的主旨大意。 【教学难点】
模拟在国际会议上作中国在植树造林方面所做的事情的报告。 课前准备：
1. 课前准备：调试光盘与课件、给学生分组、为学生布置预习作业等；
2. 教具学具：光盘、大卡片等。
教学过程
Step1. Warm-up
1. Look at pictures and identify the usages of trees.
2. Talk about the importance of trees.
Step2. Reading
1. Ask students to label the paragraphs.
2. Discuss the main idea of the text.
3. Skip the passage and identify the logistic relationship.
4. Sum up how to determine the main idea of a passage.
5. Read the first two paragraphs and answer the relevant questions.
6. Read the third and the fourth paragraphs and answer the following questions.
7. Read the third and fourth paragraphs and find out what they did.
8. Read the paragraphs and fill in the blanks in the passage.
9. Encourage students to give their opinions on whether the 2 persons are heroes or not.
Step3. Language points
1. cover v.覆盖； 掩蔽； 涉及
The clouds had spread and nearly covered the entire sky.
2. be worth 值得（做）的； 价值； 等于
He thought that it must be worth billions.
It's an idea that may be worth revisiting at a later date.
3. work at 在…工作； 从事于…，致力于…
I never did a stroke of work at college.
4. seedling n.秧苗，幼苗； 树苗； 实生苗
She cut down the seedling with one chop.
Step4. Consolidation
1. Let students figure out the difference between facts and opinions in writing.
2. Identify whether the statements are facts or opinions.
3. Read the passage aloud.
4. Make a presentation about tree planting in China. Let students imagine they will present it at an international meeting.
Step5. Homework
1. Read the text aloud.
2. Tell a story about a tree hero to your partner.
课件27张PPT。Unit 9 Lesson 27Tree Heroes1. What are trees used for?
Warm-up2.Why is it important to protect trees?Trees give us…
Oxygen and food
Lots of products(paper, wood, etc.)
Shelter
A home for wildlife
Shade and beauty
……Label the paragraphs123ReadingLabel the paragraphs45What is the main idea of the text?A. Problems caused by cutting trees
B. Need to plant trees in China
C.Work of tree heroes in China
D.Tree planting around the worldLabel the paragraphs123 hero1承上启下Who are some of the people behind these huge numbers? Let’s find out. why what45 hero2learn from heroes
What is the main idea of the text?a Problems caused by cutting trees
b Need to plant trees in China
c Work of tree heroes in China
d Tree planting around the world Summary
How to determine the main idea of a passage?2. The beginning of the passage
3. The ending of the passage
4 .The first or the last sentence of each passage1. The title of the passage1. What problems does it cause after many forests have been cut down?
2 .What do we need to do to solve the problems?
Read the first two paragraphs and answer the following questions1.It affects the climate, cause animals to move or die, and cause deserts to expand.
2. We need to plant trees.1. Who are they?
Zou Lanying, Wei Guiying and a team of
helpers.
2.Why do we call them heroes?
Because the trees are important and they
do a lot to help plant trees.Read the third and the fourth paragraphs and answer the following questions.Tree HeroesRead the third and fourth paragraphs
and find out what they did!In Jiangxi Province, __________ Zou Lianying has planted trees for almost______ years. At the age of _______, she ________ her cows and pigs and __________ money to ________________ Her family’s forest farm has trees covering about ________ with more than____________ trees. The trees are worth ____________RMB. She believes the forest will be ___________ to future generations.
Read the paragraph 3 and complete the text83-year-old2064soldborrowed8,000,00012,000,000a giftopen a forest farm4km2What does she think of the things she did?She believes the forest she is planting will be a gift to future generationsRead the paragraph 4 and complete the textNear Beijing, __________ and a team of helpers have planted ____________ trees. They have been working at this for more than______ years. _______ of hills have turned green. Wei Guiying _________ money to pay for seedlings. She says she’s not a ___________ but she has ________________________.
Wei Guiyingmillions of2020 kmborrowedmillionairemillions of treesWhat does she say?She says she’s not a millionaire but she has millions of trees.5. What does the writer want to tell us?The writer wants more people to take action to protect the environment.Read the paragraph 5 and answer the question. Do you agree that Zou Lanying and Wei Guiying are heroes? Why?
Your opinionGreat, hard-working, Selfless
1. cover v.覆盖； 掩蔽； 涉及
The clouds had spread and nearly covered the entire sky.
2. be worth 值得（做）的； 价值； 等于
He thought that it must be worth billions.
It's an idea that may be worth revisiting at a later date.Language points3. work at 在…工作； 从事于…，致力于…
I never did a stroke of work at college.
4. seedling n.秧苗，幼苗； 树苗； 实生苗
She cut down the seedling with one chop.Facts are true information. They often have figures, dates or places.
Opinions are what the writer thinks.
They often have opinion adjectives (e.g. boring), opinion verbs (e.g. think, believe), or modals (e.g. might, may)Reading Help数字Consolidation1. China plants more trees than the rest of the world.
2. In Jiangxi Province, 83-year-old Zou Lianying has been planting trees on her land for almost 20 years.
3. They have also been working at this for more than 20 years.
4. It hasn’t been easy for her.
5. If more of us can be like these tree heroes, it will certainly make life better for everyone.FFFOOAre the sentences facts or opinions?Read the passage aloud.Group workMake a presentation about tree planting in China. Imagine that you will present it at an international meetingAchievements
Good examples
Difficulties
Our beliefs
1. Read the text aloud.
2. Tell a story about a tree hero to your partner.Homework
