人教版九年级全册英语 Unit13 We're trying to save the earth! SectionA 1a-1c 教案

Unit 13 We’re trying to save the earth!
Section A 1a-1c
教学目标：
1. 语言知识目标：掌握有关词汇，词组和句型。
2. 技能目标：正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。
3. 情感目标：有环境危机意识，学会关注环境保护环境。
4、学习预测句子中所缺的单词。
教学内容：
1、基本词汇：
Pollution, bottom, fisherman, coal, Harmful, litter,industry, transportation 等。
2、基本词组：
be harmful to, at the top of, take part in等。
3、基本句型：
We’re trying to save the earth!
The river used to be so clean.
The air is badly polluted.
4、谈论污染和环境保护的问题。
教学重点：
1、语言知识目标：掌握有关词汇，词组和句型。
2、学习预测句子中所缺的单词。
教学难点：
1、学习预测句子中所缺的单词。
教学方法：
讲授法，听写法，练习法，推测法。
教学过程
1、 Greettings.5’
2、 plete these sentences in English.5’
1、The sun _rises_____ in the east.
2、We are ___having___ an English lesson now.
3、The park ___used___ to be so clean last year.
4、The water__is____polluted by people .
5、I __must finish my homework .
6 、 I __had_ finished my homework before my mother came back.
三、 Show the aim.5’
1、Talk about pollution and environmental protection.
2、Review present progressive
use to，
Passive voice ，
Present perfect ，
Modal verbs，
(1). 现在进行时: Present Progressive
定义：表示说话时（瞬间）正在进行的动作，也表示目前或现阶段一直进行的动作。
结构: be (am/is/ are) + v.-ing
标志词：Look, Listen, now, right now…
e.g. Look! The boy is crying.
(2). used to do与be used to doing
used 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。
be used to doing sth. 表示习惯于做某事。
e.g. I used to get up at six o’clock.
Joe is used to drinking a cup of coffee every morning.
(3). 被动语态：Passive voice
定义：表示主语是动作的承受者，即行为动作的对象的一种语态。
结构：be + 过去分词
e.g. A new school was built last year.
Our classroom is cleaned every day.
(4). 现在完成时: Present Perfect
定义：表示动作已经完成, 但对现在造成影响; 或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。
结构: has/have + 过去分词
标志词：already, yet, ever, never, since, for…
e.g. I haven’t finished my homework yet.
(5). 情态动词
1) 情态动词本身有一定的词义，表示说话人的情绪、态度或语气，但不能单独作谓语，只能与其他动词构成谓语。常见的有：can (could), may (might), must, need, shall (should), will (would)等。
2) 情态动词无人称和数的变化, 后接动词原形。否定式是在情态动词后面加not。个别情态动词有过去式形式, 可用来表达更加客气、委婉的语气。
e.g. Ken can climb up the tress like a koala.
Tracy could ride a bicycle when she was five years old.
You mustn’t play with fire. It is dangerous.
3、Study how to guess the words before listening.
四、New lesson progress.25’
1、leading。Discuss the pollution，and know it together。
Show:
Unit13 We’re trying to save the earth!
Section A 1a-1c
*We’re trying to save the earth!
我们正在竭尽全力拯救地球!
try to do =try one’s best to do
努力去做某事。
e.g. Every student should try to study
hard in order to study in a university.
为了进入大学学习，每个学生都应该
努力学习.
2、 Work on page97 1a. Fill in the blanks with the correct forms of the words below.
loud music cars rubbish planes
littering ships factories smoking
building houses mobile phones
(1)Ss read, then do it by self.
(2)T check the answer. Ss read it again.
3、 Work on 1b. Fill in the blanks by listening.
The river was ____really dirty____. Even the bottom (底部) of the river was full of ____ rubbish _____. There were no more __fish____ for fishermen (渔民) to catch.
People are throwing ____litter___ into the river.
Factories are putting ___waste___ into the river.
We should write to the _____goverment___ and ask them to ____close down___ the factories.
Everyone should help to ______clean up____ the river
（1）Ss know the work .guess the answers together.
(2) Learn some new words and expressions.
(3) Ss do it by listening at the first time .T check the answers.
(4) Ss repeat it together by listening the second time .
4. Work on 1c. role play.
Make a list of things that people can do to help the environment and discuss your list with your partner.
A: The river was dirty. Even the bottom of the river was full of rubbish.
B: But it used to be so clean.!
A: Yes, but people are throwing litter into the river.
B: Everyone in this town should play a part in cleaning it up!
.*Everyone in this town should play a part in cleaning it up!
play a part in 在……方面起作用
e.g. A good diet plays a large part in
helping people live longer.
健康的饮食在帮助人们长寿方面起着
非常大的作用。
3.play a part 在……中扮演角色
e.g. He was invited to play a part in this TV
play.
他被邀请参加这个电视剧的演出。
5. Discussion: what we could do for the environment
A: I think that everyone should use public transportation.
B: I disagree. It’s difficult for parents with young children to use public transportation…
教学设计方案
题目 We’re we trying to save the earth! 年级学科 九年级英语 课型 信息技术与学科整合课
教学目标 Talk about the environment and words study。
教学重难点关键 1. 现在进行时, 2. used to do与be used to doing, 3. 被动语态, 4. 现在完成时, 5. 情态动词,6.猜词.
教学方法 讲授法，图示法，查阅法。
运用的信息技术工具 硬件：白板软件：电脑，word
教学设计思路 Revision，2、 Grammar Focus， Practice， Language points，4、 Homework
教学过程
教学阶段及时间安排 教师活动 学生活动 设计意图及资源准备
1、Revision 复习语法 完成句子 Complete sentences
2、Grammar Focus 讲解 听，思考 1. 现在进行时: Present Progressive2. used to do与be used to doing3. 被动语态：Passive voice4. 现在完成时: Present Perfect5. 情态动词
3、Practice、Language points 巡视 做，练 1. Work on 1a. 2. Work on 1b. 3. Work on 1c. r. 4. Discussion.
板书设计
Unit13 We’re trying to save the earth! 1. 现在进行时, 2. used to do与be used to doing, 3. 被动语态, 4. 现在完成时, 5. 情态动词,6.如何保护环境？
练习测评
A、.阅读 ( http: / / www.5ykj.com / shti / " \t "_blank )短文，用括号内所给词的适当形式填空 ( http: / / www.5ykj.com / shti / )。
Jack Chan is a famous action star of China .He took part in the Chinese Children’s Charity Day . At the meeting he also 1 ---- (give) his collection of World Leaders Stamps to the China Children and Teenagers’ Fund (少年基金会).He 2 ---- (say) everyone should show their love to poor children . On June 22 ,2005 in Beijing , Jack Chan 3 ---- (invite) to have an important meeting by the Charity . The Charity 4 ---- (collect) money for poor children . Because the children 5 ----- (leave) their schools already . The Charity wants to help them return to their schools again .
B、完型填空
Mr.Green was a rich shopkeeper. He （1）______ a lot of money to his son john when he was dying. The young man often（2）______ his friends to dinner and several years later he spent all the money on the （3）______ food. Now he got into trouble and nobody came to see him. It made him （4）______ and he went to ask a clever old man for advice.
“My money has（5）______ and my friends have gone, ”said the young man. “What will happen to me now ”
“Don’t （6）______, young man, ”answered the old man. “Everything will soon be all right. （7）______ and you will soon feel much happier. ”
（8）______this, the young man was very glad. He asked, “Am I going to be （9）______again then ”
“No, ”said the old man. “I （10）______ you will soon get used to being poor and to having no friends. ”
（ ）1. A. lent B. left C. borrowed D. got
（ ）2. A. made B. hoped C. asked D. pulled
（ ）3. A. common B. cheap C. terrible D. delicious
（ ）4. A. sad B. happy C. polite D. careful
（ ）5. A. begun B. finished C. hurried D. flown
（ ）6. A. worry B. say C. smile D. sing
（ ）7. A. Stand B. Study C. Work D. Wait
（ ）8. A. Seeing B. Touching C. Hearing D. Feeling
（ ）9. A. safe B. dangerous C. rich D. poor
（ ）10. A. mean B. wish C. understand D. surprise
参考答案：
A、1.gave 2.said 3.was invited 4.collects 5.have left
B、.1—5:BCDAB 6—10:ADCCA