辽宁省沈阳市第二十一中学高中英语Module5Alessoninlab1教案外研版必修1

Module 5 A lesson in labTeaching Design第一部分教学设计Teaching aims and requirements of the unitTo learn about some vocabulary and knowledge related to science and experimentsTo know about some metals and get to know their main uses in our livesTo make the students know how to do a simple experiment and write the report about it in English To deal with all the activities 1-6 about passage A and passage B on page 44-45To develop students’ expression ability as well as reading ability by practicing these tw o passages To raise students’ interests in science and form the rigorous scientific attitude.Teaching pointHow iron reacts with air and with water?Teaching proceduresPeriod Two: Grammar and usageStep 1: General introduction1. Structures of comparison structures ( 形容词或副词各级别句式)1). as + adj./ adv. + as.The layout of Class One’s wall newspaper is as beautiful as that of Class Three’s.as + adj. + a + n. + asThis is as good a dormitory building as the other.as + many / much + n. + asI have as much experience as you in doing the work.2). not as/so + adj./ adv. +asThe bedroom is not as big as the sitting room,3). the -er form + thanMost people think detective stories are more interesting than science fiction.4). the + -est formThis is the largest supermarket in our neighborhood.2. Some other structures1) -er form + and + -er formOur city is becoming more and more prosperous with the development of industry.2) the + -er form, the + -er form,The higher the plane flies, the smaller it will look.3) This bridge is three times longer than that one.This bridge is four times the length of that one.This bridge is four times as long as that one.Step 2: Test to the grammar1 After the new technique was introduced, the factory produced________ tractors in 1988 as the year before.A. as twice manyB. as many twiceC. twice as manyD. twice many as2 How beautifully she sings! I’ve never heard_________.A. the better voiceB. a good voiceC. the best voiceD. a better voice3 If the manager had to choose between the two, he would say John was _______choice.A. goodB. the bestC. betterD. the better4 "Are you satisfied with her answer? " "Not at all. It couldn’t have been______".A. worseB. so badC. betterD. the worst5 Paper produced every year is______ the world’s production of vehicles.A. the three times weightB. three times the weight ofC. as three times heavy asD. three times as heavier as6 We advertised for pupils last autumn, and got_______60.A. more thanB. more ofC. as much asD. so many as7 Professor White has written some stories, but he is _____known for his plays.A. the bestB. moreC. betterD. the most8 It is generally believed that teaching is ____it is a science.A. an art much asB. much an art asC. as an art much asD. as much an art as9 In recent years travel companies have succeeded in selling us the idea that the further we go, _____.A. our holiday the will be betterB. our holiday the will be the betterC. the better our holiday will beD. the better will our holiday be10. I’m _____ at sums than Jean, but better at history.A. moreB. lessC. worseD. cleverer11. We couldn’t have picked ______ day for the picnic because it rained nonstop.A. a worseB. a worstC. the worseD. the worst12. This bird is real ly lovely, and I’ve never seen _____ one.A. a finerB. a finestC. the finer oneD. the finest13. His pronunciation is bad, but mine is _____.A. no betterB. no moreC. even betterD. even more14. Holiday flights are getting ______ expensive, and we can go by plane.A. more and moreB. less and lessC. by farD. so much15. Generally speaking, the younger you are, _____ to learn.A. it is easierB. the easier it isC. it is easy D it is easier16. We were very tired, for we walked _______ 20 miles that day.A. less thanB. no less thanC. no more thanD. only17. You are ______ careful than your brother. you two can’t do the work that needs care and skill.A. not moreB. no moreC. not lessD. no less18. “Oh, how fat he is!” “ But I think he is ______ than fat”A. shortB. shorterC. more shortD. shortest19. In my apartment there are two rooms，____ is used as a living room.A. larger oneB. the larger of whichC. the largest oneD. the largest of which20. “Would you like a cup of coffee or a glass of beer?” “_______ will do, but milk is ______ popular with me.”A. Neither, notB. Both, moreC. Either, the mostD. All, the most(Keys: 1-5 CDDAB 6-10 ACDCC 11-15 AAABB 16-20 BBCBC)。