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    牛津译林版Grammar公开课课件ppt

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    这是一份牛津译林版Grammar公开课课件ppt,文件包含Unit4Grammarpptx、Unit4Grammardocx、Unit4LifeonMarsGrammar练习docx等3份课件配套教学资源,其中PPT共29页, 欢迎下载使用。

    Unit 4  Life on Mars

    Grammar

    设计说明

    利用PPT引出从句,启发学生改写成简单句。分别举例、归纳,启发学生如何将含有从句的复合句改写成简单句。使学生在学习的过程中发展自己的观察力、想象力和思维能力。通过操练巩固已学知识,反馈矫正。以训练为主线,帮助学生消化学习内容。归纳三种从句转换成简单句的步骤或方法,强调特殊用法或易错之处并用教材中的练习帮助学生巩固。提醒学生注意介词的使用,再以同义句转换的形式加以联系反馈,让学生理清思路进一步提高学习能力。

    教学目标

    通过本课节的教学,让学生达成以下目标:

    1.知识目标

    掌握词汇:circle, agreement, possibility, doubt, stranger

    2.能力目标

    掌握状语从句、宾语从句、定语从句与简单句之间的转换

    3.情感目标

    增强保护环境的意识

    重点难点

    1. 重点:掌握从句与简单句之间的转换。

    2. 难点:转换时注意时态和意思的一致性及准确性。

    教学准备

    PPT课件

    授课时数

    1课时

    教学过程

    Step 1  Lead-in

    Ask students to have a short review on clauses or simple sentences.

    Since students have learnt a lot about travel in space, ask them to find out clauses or simple sentences in Reading as many as possible.

    Step 2  Presentation   

    A  Using adverbial clauses or simple sentences

    1. Ask students to rewrite some sentences.

    We can rewrite some adverbial clauses in simple sentences with prepositional phrases beginning with at the age of, because of and without.

    Neil Armstrong received his student pilot’s licence when he was 16.

    →Neil Armstrong received his student pilot’s licence at the age of 16.

      People might float in space because the gravity is slow.

    →People might float in space because of the low gravity.

      Humans cannot survive if there is no food, water or oxygen.

    →Humans cannot survive without food, water or oxygen.

    注意:转换时要注意时态和意思的一致性和准确性。

    2. Have a conclusion 状语从句简单句

    通过because of, without, at the age of介词短语将状语从句转换为简单句。

    ·时间状语从句可借助介词短语转化为简单句。

    ·because引导的原因状语从句用介词短语because of转换简单句。

    ·if not引导的条件状语从句可借助without短语转化为简单句。

    Step 3  Drills

    Learning about outer space

    Daniel is writing about visiting another planet. Help him rewrite the sentences using the words in brackets.

    1. Neil Armstrong took his first flight when he was only six. (at the age of)

       _____________________________________________________________

    2. Yuri Gagarin became the first man to go into outer space at the age of 27. (when)

    _____________________________________________________________

    3. People might move to another planet in the future because the population on the Earth is increasing rapidly. (because of)

      _____________________________________________________________

    4. If there is no fresh food, meals will not be as tasty as they are today. (without)

      _____________________________________________________________

    5. It would be funny to play football on Mars because of the low gravity. (because)

       _____________________________________________________________

    6. Without special boots, you cannot walk on Mars. (ifnot )

      ______________________________________________________________

    Answers:

    1. Neil Armstrong took his first flight at the age of six.

    2. Yuri Gagarin became the first man to go into outer space when he was 27.

    3. People might move to another planet in the future because of the rapid increase in population on the Earth.

    4. Without fresh food, meals will not be as tasty as they are today.

    5. It would be funny to play football on Mars because the gravity is low.

    6. If you dont wear special boots, you cannot walk on Mars.

    Step 4  Presentation

    B Using object clauses or simple sentences

    1. Ask students to rewrite some sentences.

    We can rewrite some object clauses in simple sentences with prepositions like of and about.

    The smell of the pills reminds them that food on the Earth is tasty.

    The smell of the pills reminds them of the tasty food on the Earth.

      Are they sure that space travel will be very fast?

    Are they sure about the fast speed of space travel?

    注意:

    常用动词和介词的搭配:

    remind somebody of…使某人想起……

    be sure/certain about… ……确信

    2. Have a conclusion宾语从句→简单句

    通过ofabout这样的介词将宾语从句转换为简单句。

    ·可以用介词 of 把宾语从句转换为简单句。

    ·可以用介词about把宾语从句转换为简单句。

    Step 5  Drills

    About the planet Mars

    Millie knows little about the planet Mars. She is asking Daniel for more information. Rewrite Millies sentences using the words in brackets.

    Millie: (1) Are you aware how far Mars is away from the Sun?

    Daniel: Yes. Mars is about 142,000,000 miles away from the Sun. It takes Mars about two Earth years to circle around the Sun once.

    Millie: (2) Are scientists in agreement that living on Mars would be possible for humans in the future?

    Daniel: No. But theyre working hard to learn more about Mars.

    Millie: (3) Do they think that the low gravity on Mars might be a problem?

    Daniel: Yes, they do.

    Millie: (4) Are you aware what transport could be like on Mars?

    Daniel: It could be much better than that on the Earth. However, scientists arent sure whether people could grow plants on Mars.

    Millie: (5) I wonder how many people would like to move to Mars. (6) I think people should know that life on Mars would be different from that on the Earth.

    1. Are you aware _________________________________________ (distance)?

    2. Do scientists agree ___________________________________ (possibility)?

    3. Have they thought _____________________________________ (problem)?

    4. Are you aware________________________________________ (transport)?

    5. I wonder ______________________________________________ (number).

    6. I think people should know _____________________________ (differences).

    Answers:

    1. of the distance between Mars and the Sun

    2. about the possibility of living on Mars for humans in the future

    3. about the problem of the low gravity on Mars

    4. of the transport on Mars

    5. about the number of people who would like to move to Mars

    6. about the differences between life on Mars and that on the Earth

    Step 6  Presentation

    C Using defining relative clauses or simple sentences  

    1. Ask students to rewrite some sentences.

    We can rewrite some defining relative clauses in simple sentences with prepositions like with and in.

    People might live in houses which have huge comfortable rooms.

    People might live in houses with huge comfortable rooms.

      On Mars you might see people who wear special boots.

    On Mars you might see people in special boots.

    2. Have a conclusion定语从句→简单句

    通过with, in介词将定语从句转换为简单句。

    ·可以用介词with把定语从句转换为简单句。

    ·可以用介词in把定语从句转换为简单句。

    Step 7  Drills

    Curious about Mars

    C1 Simon is writing about Mars. Rewrite the defining relative clauses in simple sentences with preposition with or in.

    1. Mars is a planet that has an environment similar to that of the earth.

      ___________________________________________________________

    2. Astronauts who wear space suits and helmets might stay on Mars for hours.

      ____________________________________________________________

    3. It is difficult to breathe on a planet that has much thinner than that on the Earth.

      ____________________________________________________________

    4. On Mars there might be people who carry air tanks on their backs.

      ____________________________________________________________

    Answers:

    1. Mars is a planet with an environment similar to that of the Earth.

    2. Astronauts in space suits and helmets might stay on Mars for hours. 

    3. It is difficult to breathe on a planet with air much thinner than that on the Earth.

    4. On Mars there might be people with air tanks on their backs. 

    C2 Simon is interested in stories about aliens. He even writes to aliens. Replace each of the underlined parts in his letter with another expression.

    Dear aliens,

    Humans are thinking about moving to another planet (1) because the pollution on the Earth is very serious. Many people are in no doubt (2) that life on Mars would be very interesting, but I am not sure. We could not play football on Mars

    (3) because of the low gravity. Life would be boring for me (4) if I could not play football. Maybe this problem could be solved by building indoor playgrounds

    (5) which have the same football fields as those on the Earth.

    By the way, would strangers be welcome? I hope to hear from you soon.

    Simon

    Answers:

    1. because of the serious pollution on the Earth

    2. about interesting life on Mars

    3. because the gravity is low

    4. without playing football

    5. with the same football fields as those on the Earth

    Step 8  Language points

    Are scientists in agreement that living on Mars would be possible for humans in the future? 科学家们一致认为人类将来生活在火星上是可能的吗?

    agreement n.同意,协议   in agreement同意,一致

    Im glad we are in agreement about one thing, at least.

    我很高兴我们至少能就一件事达成共识。

    拓展: agree的用法

    (1) agree with sb 同意某人

    I cant agree with you more.我非常同意你的看法。

    (2) agree to sth 同意某事    

    Do you agree to the plan? 你同意这个计划吗?

    (3) agree on sth 在某事上达成一致意见

    They finally agreed on the design of the bridge.

    他们最终在这座桥的设计上达成了一致意见。

    (4) agree to do sth 同意做某事

    They dont agree to marry their daughter to the man.

    他们不同意把女儿嫁给那位男士。

    Step 9  Homework

    1. Review the grammar weve learnt today.

    2. Finish the related exercises.

    3. Preview Integrated skills & Study skills.

    板书设计

    Unit 4  Life on Mars

    Grammar

    状语从句→简单句

    宾语从句→简单句

    定语从句→简单句

    at the age of

    because of

    without短语

    介词of

    介词about

    介词 with

    介词 in

     

    教学反思

     

     

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