河北省保定市物探中心学校第一分校高一英语 Unit10 The world around us教案.doc

unit10 the world around usgoals:a. achieve language skills and related knowledge about the topic of environment protection; b. learn to express causes and effects:c. vocabulary in this unit:the words and expressions listed on the teachers bookd. grammar:review direct and indirect speechlesson 1main points1.wordsin danger; fur; cut down; left;sometimes;discuss; make sure; find out2.sentence patterns .,tigers can no longer hide and hunt.3.functional itemquestions and answersdifficult pointsno longer&no moreteaching proceduresstep 1 lead-inss tell the reasons why some animals have died out.t:we know there are far fewer kinds of animals in the world than before.they have died out for different reasons.ask several students to tell the reasons.get ss to know about the fact many animals have died because of human beings.step 2 warming up1.ss talk about the three pictures.what kinds of animals are they?why are they in danger?why do people hunt them?2.divide the class into groups and discuss the three questions.3.several groups report their answers.step 3 listeningone of the reasons why animals are in danger is pollution.next you will listen to a report about pollution to know how serious it is.1.go through each task and understand what to do.2.play the tape two times as necessary.pause at important points and give the students help. 3.let the ss discuss their answers in pairs.4.check the answers.5.discuss part two in groups for a few minutes and then report the answers.step 4 speaking1.read the instructions.2.ss practise asking and answering in pairs.3.ask two pairs to act out.step 5 language points1.no longer/no moreno longer =not .any longerno more=not.any moreit is later. i cant wait any more.time lost will not return any more.2.make sure(that)ep: make sure that you understand what your teacher says.ep: arrive early at the cinema to make sure of(getting) a seathomework practise asking and answering questions.lesson 2main points1.wordsdie out, act, measure, original, respond, vaheatle , keep.from.,live a better life, that is, first of all, by doing, pick up.2.sentence patterns.but we dont always do as we say.the good news is that there is a lot we can do to help.difficult pointsthe predicative clauseteaching proceduresstep 1. revisioncheck the homeworkstep 2. pre-reading1.q:what do plants and animals need to survive?a:encourage the students to compare animals and humans.animals and plants also have basic needs and animals live in social groups.2.q:what do animals do to survive in places where it is very hot or cold,where there isnt much water?a:animals adapt to change in their habitat and try to learn to survive when the conditions of their habitat change.step 3 readingt:from last period we know many animals are in danger.then do you know why some plants are in danger and even human beings? lets try to find the answer to the question above from the text and what we can do to stop it.ask students to read quickly in silence and find the answer to the following question.q:what can we do to protect the environment?a:we should create more space for animals and plants.we should stop pollution.step 4 post-readingask students to read the text again and answer the following questions.1.why do animals and plants become endangered?a:animals and plants become endangered when their habitat is destroyed or when conditions in the habitat change too quickly or too drastically.the text lists three main reasons: habitat change,the arrival of new species in the habitat,and the overuse of the species itself or the resources in the habitat.2.a species can become endangered when its habitat is changed or destroyed. can you think of things human beings do that may destroy or cause change in a habitat?a:various answers are possible. encourage the students to think of human behaviour that can cause problems:pollution, land use, hunting, farming, etc.step 5 language points3.measure v.&n.(1)vt.&vi.we measured the room and found it was 200 feet long and 15 feet wide.can you wait till i have finished measuring?(2)n.an inch is a measure of length.step 6 listening to the tapehomeworkreview words and language points in the text.lesson 3main pointswordsdevote.to.; at present; common; set.free; in the wilds; give a talk; what kind of; explain sth. to sb.; hope&wish; however; one day,some day&another day; stop doing&stop to do. difficult pointshope&wishteaching proceduresstep 1 revision1.check the homework2.ask several students to say something about the wildlife endangerment.step 2 word studyget students to know something about word formation and go over the use.1.hope&wish(1)hopefor+n.to do.that.(2)wishfor+n.to do.sb./sth.+adj./done/to do.sb. sth.that.1.go over all words and expressions.2.preview: new words and phrases in next part.lesson 4main points1.wordsenergy; reduce; amount; harmful; material; organize; attractive; be careful with.; throw away; in fact; end up as waste; share; show sth. to sb.2.sentence patternsit is important to do .choose an environmental problem that you think is important.teaching porceduresstep 1 revision1.review the direct speech and indirect speech.change the sentences into indirect speech.2.make sentences with the following words and expressions.hope&wish; stop doing&stop to do ; set.freestep 2 lead - inss list some ways to protect the environment.t:there are mays to protect the environment.list s