译林牛津版高中英语必修二教案（湖南专用）：Unit 1 Tales of the unexplained Welcome to the unit 教案.doc

unit 1 tales of the unexplainedperiod one welcome to the unitthe analysis of this part:ss are encouraged to do a free discussion about some mysterious and unexplained phenomena in the world.teaching aims:1. help ss practice spoken english.2. help ss express their opinions boldly and imaginatively.teaching methods:1. looking and speaking2. discussion in pairs or groups.teaching procedures:step one: lead- intoday, our topics are not only interesting and attractive, but a little mysterious as well. they are beyond our knowledge. maybe we only hear of them. even the advancedscience and technology of today cant offer satisfactory answers to them.step two: picture talking1. ufos, yetis, crop circles and stonehenge t: do these topics have sth. in common? if so, what is it? (unexplained, no satisfactory answers, mysterious, no evidence.) how do you feel about them? are you a bit curious? now lets discuss the pictures on page one. 2. ask students to discuss all the pictures in pairs or groups and then report the result of their discussion to the teacher.step three: description of the pictures picture one: ufos 1) what do the letters ufo stand for? it stands for unidentified flying object, that is , an object , apparently moving in the sky, which we can not identify. 2) do you believe in it? i never believe in spacecraft carrying visitors from outer space. picture two: yetis 1) where are the himalayas? it is in the south of asia. 2) whats the weather like there? cold. 3) what is the yeti, and what is it like? its reported to be half-man and half-beast. its supposed to live in the highest mountain in the world-mount qomolangma.picture three: crop circlesits said that the earliest crop circles appeared in england in 1647. crop circles are reported to appear mostly in spring and summer. people are curious about the phenomenon. what about you? do you really believe its a natural phenomenon? 1. do you believe in the existence of aliens?2. do you think the crop circles are made by aliens? picture four: stonehengewho built stonehenge in england and for what reason? no one knows the answer!1. have you ever heard or read about the stonehenge? 2. are you interested in stonehenge?3. would you be interested in discovering more about them?step four: discussion1. ask students to discuss the question on p1 in pairs or a group of four.2. then ask each group leader to report the result of their discussion step five: language points1. tell a story about a mystery2. cant tell说不准tell 与be able to /can /could 连用“判断、区别、猜测”=decide /determine/knowe.g. i really cant the difference between the twin brothers3. run intoe.g. i run into an old school friend at the supermarket this morningwe run into a patch of thick fog just outside londonthe project is running into financial difficulties.run sth. into sb./ sth.the bus went out of control and ran into a shop front.she ran her car into a tree while reversing.4. the himalayas mount qomolangma5. no one / none of step six: consolidation & homework translation1. therere many unexplained mysteries in the world.2. he didnt expect to run into some of his friends in the street.3. the reason for his illne