新译林版九年级下册英语 Unit 4 课时4 教案（教学设计）

1、精品文档 精心整理精品文档 可编辑的精品文档Unit 4 Life on Mars GrammarUsing adverbial clauses or simple sentencesUsing object or simple sentencesUsing defining relativeclauses or simple sentences.Helping the students toidentify and list the differences lives between earth and Mars.Master conversion between simple senten

2、ce and complex sentence.To use and transform the clauses into simple sentences correctlyStep 1Lead in (导入新课)1.PresentationShow some sentences on the blackboard and get students to recognize the types of these sentences.（教学目的：激活学生的旧知，以旧带新，降低难度）1.If there is no fresh food, meals will not be as tasty a

3、s they are today.2. It would be funny to play football on Marsbecause ofthe low gravity.3. Scientistsare in agreement thatliving on Mars would be possible for humans in the future.4. Mars is a planetwhich hasno air.(教学目的：呈现三种不同的从句，让学生思考其他的表达方式)2.Check the answersKEYS：-1.Without fresh food, meals wil

4、l not be as tasty as they are today.-2. It would be funny to play football on Marsbecause the gravity is low-3. Scientistsagree thatliving on Mars would be possible for humans in the future.-4. Mars is a planetwithno air.(教学目的：核对答案，引出本节课的三种从句的转换)Step 2：Part AUsing adverbial clauses or simple sentenc

5、es.（教学目的：学习状语从句与简单句的转换）1.We can rewrite some adverbial clauses in simple sentences with prepositional phrases beginning withat the age of, because of and without.Neil Armstrong received his students pilots licence when he was 16.Neil Armstrong received his students pilots licence at the age of 16.Pe

6、ople might float in space because the gravity is low.People might float in space because of the low gravity.Humans cannot survive without food, water or oxygen.Humans cannot survive food, water or oxygen.2.PracticeAsk students to do exercise of Part A. Explain the requirement of the exercise.Daniel

7、is writing about visiting about visiting another planet. Help him rewrite the sentences using the words in brackets.Step 3：Part BUsing object clauses or simple sentences（教学目的：学习宾语从句与简单句的转换）1 .We can rewrite some object clauses in simple sentences with prepositions likeofandabout.The smell of the pil

8、lsreminds them thatfood on the Earth is tasty.The smell of the pillsreminds them of the tasty foodon the Earth.Are they sure aboutspace travel will be very fast?Are they sure about the fast speed ofspace travel?2.Ask students to do exercise of Part B. Explain the requirement of the exercise.Millie k

9、nows little about the planet Mars. She is asking Daniel for more information. Rewrite Millies sentences using the words in brackets.Step 4：Part CUsing defining relative clauses or simple sentences（教学目的：学习定语从句与简单句的转换）1.We can rewrite some defining relative clauses in simple sentences with preposition

10、s likewithandin.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.PracticeShow ten sentences on the screen. Ask students to change t

11、hem into the sentences that have relative clauses. Ask them to do the exercises on their own and then check the answers in the whole class .（教学目的：巩固练习，强化本节课所学的知识）Step 5：Extension activityExtension activityLast Wednesday, Mr. Chen took his class to the Space Museum. There1many things about space ther

12、e. First, the children saw a film about space travel. They saw2the space shuttle took off in space and later landed on earth3. Itwas very exciting and the children felt they were traveling in space4!After the film, Mr. Chen took5to see some models of rockets6the space shuttle. The models looked very

13、 real, but they were much7. Then the children saw some moon rocks. Two8landed on the moon in 1969. They put an American flag there. Then they took some rocks back to the9.10the children left, they also watched a video show about people living and working in a space lab. The people could stay in the space lab for months.1. A. isB. areC. wasD. were2. A. howB. whatC. whenD. which3. A. tooB. alreadyC. againD. badly4. A. itselfB. ourselvesC. oneselfD. themselves5. A. theirB. themC. theyD. theirs6. A. orB. butC.