山西省阳泉市荫营中学高考英语 Unit 11 Scientific achievements复习教案 新人教版.doc

teachingtopicunit 11 scientific achievementswarming up and speaking teachingaims1. enable students to talk about scientific achievements.2. help students learn to express intentions and wishes.3.stimulate students to create and make contributions to our society.teachingimportance& difficulty1.talk about great scientific achievements.2.how to make students interested in science and speak more about their intentions and wishes.teachingmethodsgroup work discussing (cooperative learning)teachingaidsmulti-media.teachers activitiesstudents activitiesp/tstep 1 greetingst: good morning students!step 2 students activities step 3 lead in t: first, lets watch a short video. after watching, you should tell me what it shows to us and where they are. ask some students to answer the teachers activitiess: good morning teacher!as usual, one student will put on performance on the platform.students watch the video carefully.students activities5 mins5minsp/tquestion.step 4 warming upshow the photos of some great scientific achievements that have changed the world on the screen. t: please look at these great achievements and work in groups and discuss the following questions. you may have different answers. but you will have to tell us your reasons. 1. among the great scientific achievements that have changed the world, which one do you think is the most important? why?2. what are some other scientific achievements that you think are important?3. do these achievements have anything in common? if so, what?t: ok. please stop here. id like to listen to your opinions.t: good! do these achievements have anything in common?t: thats true. my dear students. as we know, thousands of years ago our ancestors made 4 great inventions that changed the world. we are proud of them. but nowadays almost no achievements were achieved by us chinese .so i hope you study hard and make great scientific achievements. step5 speakingt: ok. now suppose we are in the year of 2015. you are scientists. you are working on different projects. all of you need money and want to get money to complete your project. you will introduce your project and explain why it is the most important. at the end of the discussion, lets have a debate to decide who will get the money and why .now turn your books to page 2, look at the speaking part and work in groups of four. please dont forget the useful expressions. you are given ten minutes to do it. then i will ask some groups to act it out. t: now lets have a debate. t: well done. many of you can express intensions and wishes very well. after class please practice these useful expressions more often.language points: 1. which one do you think is the most important?do you think是主句 which one is the most important 是think的宾语。能够这样用的动词还有believe, imagine, guess, suppose等，都表示“认为”但是要注意，这些词后面引导宾语从句时，以从句当中的任何一个成分提问，要将疑问词至于句首。如： who do you think he is?what do you think has happened to him?where do you think i can get some work to do?注意：i think, i imagine, i suppose, i guess, i know等可用作插入语，置于句中或句末，通常用逗号隔开。如：it was fortunate, he thought, that the rain had stopped.=it was fortunate that the rain had stopped, he thought.=he thought (that) it was fortunate that the rain had stopped.step6 homework 1. continue to practice useful expressions. 2. review reading.the thought after teaching:s: its the first time that our human beings have landed on the moon. they were on the moon. they made a great scientific achievement at that time.five minutes later ask some students to speak out their opinions.s1: i think electricity is the most important. the modern world cannot work without electricity. electricity has changed our way of life. s2: in my opinion the most important is radio and television. radio and television have changed the way we look at the world.s3: thats true. but i still think the most important is solar energy. because by using solar energy, we can save other energy resources. and whats more we can protect our environment.ss: these great achievements