高中英语 Unit 4 Wildlife protection Period 3 Extensive Reading同步教学备课教案 新人教版必修2.doc

unit4 wildlife protection period 3 extensive reading 优秀教案（人教版必修2）period 3 extensive readingthe general idea of this period：this period is about the reading of the passages：the disappearance of the dinosaurs and the dodos；the return of the milu deer.it will help the students learn more about wild life and realize what made the animals disappear and what we should do to protect the environment.teaching aims：1.train the students reading ability.2.learn some useful words and expressions：disappear，come into being，species，country，rare，die out，dust，dusty，for sure，recently，build a good friendship，be common in，care for3.learn some useful drills：our fur is being used to make sweaters like yours. there are so many of them that a new park has been opened for them in hubei provice.4.enable the students to get main idea of dinosaurs species and the disappearance of the dinosaurs，dodos and the return of the milu deer.teaching important point：help the students to understand the passages and realize the importance of protecting our environment.teaching difficult points：1.how to improve the students reading ability. 2.how to help the students understand real reasons of the disappearance of the animals and realize the importance of our environment.teaching methods：asking-and-answering activity to check the students understanding of the text；individual，pair or group work to finish each task.teaching aids：1.a tape recorder.2.a multimedia computer and a blackboard.teaching procedures：step 1 revisionrevise some information about some endangered animals.t：last class we learned something about some endangered animals.remember?ss：yes.t：can you name some animals which are endangered? ss：yes.s1：polar bears.t：good.s2：rhino.t：well done.s3：milu deer.t：yeah，very good.s4：pandas，which appear only in china.t：terrific!s5：tibetan antelopes.as we see in the film 可可西里，they are being hunted day by day，and as result，there are only a little number of them left.it is really a shame for us human beings.t：yeah，absolutely right.sometimes we human beings are to blame.we are destroying the world where we are living and killing our dear friends by destroying their environment.so what should we do?ss：try our best to protect our environment and fight against any behaviour doing harm to animals and their surroundings.step 2 lead-int：look at the screen please.do you know anything about these animals?（show the following pictures on the screen.）s1：dinosaurs and dodos have died out.they lived on the earth many years ago.s2：the milu deer still live on the earth，there are some in china.t：yes.do you want to know more about them?lets come to the short passage on page 30.step 3 readingtask 1 predictiont：can you guess what the reasons might be for the disappearance of the dinosaurs and dodos?s1：because the weather changed much at that time.s2：because the human beings killed them.task 2 fast reading for the main ideat：maybe you are right.lets read the text.after reading，you should find out the main idea of the text.one minute for you to read.（one minute later.）t：you may talk about it with your partner and now report your work.s1：the main idea is species and the reasons for dinosaurs dying out.t：thats right.task 3 detailed readingt：now read the text for a second time to underline the important words and expression and try to find out the answers to these questions.1.when did the dinosaurs live?2.whats the rare new species dinosaur like?3.what could the rare new species dinosaur do?4.why did the dinosaur die out?t：ill give you four minutes to prepare.check the answers：1.when did the dinosaurs live?tens of millions of years ago，long before humans came into being.2.whats the rare new species dinosaur like?the rare new species dinosaur looks like a bird.3.what could the rare new species dinosaur do?they could not only run but also climb trees.4.why did the dinosaur die out?maybe thats because a large rock hit the earth or because the earth got too hot to live on.step 4 reading task on workbookt：now let s come to another kind of rare animal：can you guess whats that?ss：milu deer.yes or no?t：yes.you are right.today well read a passage about this kind of deer.read the passage on page 65 and try to collect information for research into milu deer and fill in the table on page 65.t：ill give you four minutes to prepare.（four minutes later.）at first，let the students discuss the information collected with their partner and then check them with the whole class.suggested answers：appearance of milu deerat first they appeared in china.features of milu deerthey lived together and ate grass and soft parts of tree.reasons for disappearancethey were not protected and many were killed.milu deer in britainthey like the weather there and the number increased year by year.how they returnedthe government of china asked to bring back some and the duke helped.present situationthey are happy for the number has grown rapidly.value of the cooperationthis is a good example to show the friendship and understanding between two countries.t：now read the text for a second time and underline the important words and expressions.if you have any question，please ask me.step 5 assignmentt：in this class，weve read two passages about dinosaurs and milu deer，and listen to a passage about dodos.please try to describe dinosaurs，milu deer and dodos in your own words.at the beginning of the next class，ill