重庆市长寿区高中英语 Unit 4 Wildlife protection教案 新人教版必修2.doc

unit 4 wildlife protection 教学准备 1. 教学目标 teaching aimsto talk about endangered speciesto read about wildlife protection2. 教学重点/难点 to talk about endangered speciesto read about wildlife protection3. 教学用具 4. 标签 教学过程 proceduresi. warming up by learning about animalslook at the photos below and listen to me telling you about the animals, the endangered animals.ii. pre-reading1 defining wildlifewhat does the world wildlife mean?2. make a list of other endangered wildlife in china that is being protected.3. pre-reading questions:4. reading to the recordingnow turn to page 26, listening and reading to the recording of the text. try to keep pace with the native reader, making your reading resemble that of the reader, in speed, in intonation and in pronunciation.iii. reading1 reading and getting informationnow you are to read the text for information to fill in the form.2reading and underliningnext you are toread the text and underline all the collocations at the same time.period 2: learning about languageplaying a gameletsgo on to play the game described on the top of the page 29. the following sentencesare to be passed on. studying thepresent progressive passive voice1. passive voicethe passive voice is used when focusing on the person or thingaffected by an action.thepassive is formed: passive subject + to be + past participleitis often used in business and in other areas where the object of the action ismore important than those who perform the action. for example: we have producedover 20 different models in the past two years. changes to: over 20 differentmodels have been produced in the past two years.ifthe agent (the performer of the action) is important, use “by.” for example:timwilson wrote the flight to brunnswick in 1987. the flight to brunnswick was written in 1987 by tim wilson.onlyverbs that take an object can be used in the passive.thefollowing chart includes sentences changed from the active to the passive inthe principal tenses.2. passive verb formationthe passive forms of a verb are created by combininga form of the “to be verb.” with the past participle of the main verb. otherhelping verbs are also sometimes present: “the measure could have been killedin committee.” the passive can be used, also, in various tenses. lets take a look at the passive forms of “design.”iv. reading andidentifyingsince you are clear about passiveverb formation, go back to page 26 and scan the text for all the examples of the present progressive passive voice.now try to put the following sentences into the present progressive passive voice.they areproducing this new d