1、unit 11left-handedness,parta_1_a,language focus,questions for discussion,what does being left-handed mean? do you have any friends who are left-handed? do you find them special in any way? how did people in the past view those who were left-handed? do you think it was unfair? what things do left-han

2、ded people find difficult to do in a largely right-handed world? do you think left-handed people are more intelligent than right-handed people? why or why not? do you know any famous people who are left-handed? name some of them.,pre-listening task,parta_1_b,additional question for discussion what a

3、dvantages and disadvantages do left-handed people have?,language focus,pre-listening task,parta_1_demo_a,language focus,pre-listening task,parta_1_demo_b,language focus,pre-listening task,parta_2,pre-listening task,language focus,here are some sentences and structures that you may find useful in dis

4、cussing the previous questions.,being left-handed means using the left hand more readily than the right one. people who use their left hands to write, to hold things, etc. are left-handed while people who use their right hands to do these things are called right-handed. in the past society was not s

5、ympathetic to left-handed people / considered left-handedness abnormal.,parta_2,language focus,some left-handed people feel they suffer from prejudice in a right-handed world / find it difficult to adjust themselves to a right-handed world. left-handed children were forced to become right-handed in

6、some societies in the past. parents and teachers used to force left-handed children to write with their right hands / are more understanding and accepting nowadays. right-handed people often fail to see what problems the left-handed face in day-to-day life.,pre-listening task,parta_2,language focus,

7、left-handed people find it difficult to use scissors / handle trouser zips because all of them are designed for right-handed people. left-handed people are often baffled by tools that are designed for right-handed people. according to scientific studies left-handed people can be good at sports / sol

8、ving problems. quite a few left-handed people seem to do well in creative professions, such as music, art and writing / make good inventors, artists, and authors.,pre-listening task,parta_2,some of the greatest minds of the world have been those of the left-handed. to name but a few, albert einstein

9、, ludwig van beethoven, leonardo da vinci, pablo picasso, mark twain and charles chaplin were among the left-handed. so are former us presidents george h. w. bush and bill clinton.,language focus,pre-listening task,partb_1_a_1,mental adopt involvement identical birth parents adopted parents,listenin

10、g tasks,exercise 1,exercise 2,word bank,language and cultural notes,passage 1,passage 2,a. relating to the activity of the mind or brain 精神的；腦力的 v. to take someone elses child into ones family and make it legally ones own child 收養(yǎng) n. participation 卷入；牽連 a. exactly the same 完全相同的 ones biological pare

11、nts 親生父母 ones non-biological parents養(yǎng)父母,speaking tasks,partb_1_a_1,identical twins prince charles prince william,listening tasks,passage 1,twins developed from the same egg and therefore almost always of the same sex and very much alike in appearance 同卵雙生子 （英）查爾斯王子 （英）威廉王子,exercise 1,exercise 2,word

12、 bank,language and cultural notes,passage 2,speaking tasks,1. background information handedness means a preference for the use of either the right hand or the left hand. according to statistics approximately 75% of the human population is strongly right-handed, and approximately 90% is predominantly

13、 right-handed. among the remaining 10%, some people are strongly left-handed, and others are left-handed for some activities and right-handed for others. since ours is largely a right-handed world, people in many cultures used to regard left-handedness as,partb_1_a_2,listening tasks,exercise 1,exerc

14、ise 2,word bank,language and cultural notes,passage 1,passage 2,speaking tasks,partb_1_a_2,abnormal. and left-handed people often had a tough time trying to adapt to the way things were. at present, however, people are more understanding and almost all left-handed children are allowed to write with

15、their left hands. why some people are left-handed has been puzzling scientists for a long time. however, up to now no one has come up with a definitive answer, because no gene for left-handedness has been identified. but it does seem to run strongly within a family. there are over 500 well-known per

16、sonalities in the,listening tasks,passage 1,exercise 1,exercise 2,word bank,language and cultural notes,passage 2,speaking tasks,partb_1_a_2,world who are left-handed. included in their number are some of the worlds greatest minds (see language focus). 2. queen elizabeth ii (1926 ) the present queen

17、 of the united kingdom. as successor to king george vi she has been queen of great britain and the northern ireland since 1952. 3. prince charles,listening tasks,passage 1,exercise 1,exercise 2,word bank,language and cultural notes,passage 2,speaking tasks,partb_1_a_2,eldest son of queen elizabeth i

18、i 4. prince william elder son of prince charles and the late princess diana,listening tasks,passage 1,exercise 1,exercise 2,word bank,language and cultural notes,passage 2,speaking tasks,partb_1_a_3,listening tasks,exercise 1,exercise 2,word bank,language and cultural notes,passage 1,1. a. causes of

19、 left-handedness and right-handedness. b. two scientific explanations of the cause of left-handedness. c. genes for left-handedness. d. mental problems of left-handed people.,passage 2,speaking tasks,listen to the passage and choose the right answers to the questions you hear.,partb_1_a_3,listening

20、tasks,exercise 1,exercise 2,word bank,language and cultural notes,passage 1,2. a. handedness and the genetic theory. b. identical twins. c. birth parents and adopted parents. d. famous left-handed people in the world.,passage 2,speaking tasks,partb_1_a_3,listening tasks,passage 1,passage 2,3. a. rig

21、ht-handed people are superior to left-handed people. b. right-handedness is determined genetically, but left-handedness is learnt. c. about 18% of identical twins are left-handed. d. scientists have not yet reached agreement on the causes of left-handedness.,exercise 1,exercise 2,word bank,language

22、and cultural notes,speaking tasks,partb_1_a_4,listen to the passage again and complete the following sentences with the missing information.,listening tasks,exercise 1,exercise 2,word bank,language and cultural notes,passage 1,1. a study done in 1992 found that men are more likely to be left-handed

23、than women. it also found that asian or hispanic people are less likely to be left-handed than white people, black people or north american indians. 2. scientists want to know the reason for left-handedness because it is closely linked to mental problems and language difficulties.,passage 2,speaking

24、 tasks,_,_,_,_,_,partb_1_a_4,listening tasks,passage 1,3. one idea about the cause of left-handedness is the genetic theory. 4. another idea is that right-handed people are born with the gene for it. but about 20% of people do not have the right-handed gene. they could be either left- or right-hande

25、d. 5. some scientists believe that the cause of handedness could include both genetics and development.,exercise 1,exercise 2,word bank,language and cultural notes,passage 2,speaking tasks,_,_,partb_1_a_script,listening tasks,passage 1,exercise 1,exercise 2,word bank,language and cultural notes,pass

26、age 2,speaking tasks,partb_1_b_1,approximately issue significant frustration scissors utensil gear,listening tasks,word bank,language and cultural notes,exercise 1,exercise 2,passage 1,passage 2,speaking tasks,ad. nearly 大約 n. a point in question; a matter in dispute 問題；爭(zhēng)論點(diǎn) a. important 重大的 n. feeli

27、ngs of being disappointed and annoyed 沮喪 n. a cutting device 剪刀（復(fù)數(shù)） n. a container or tool commonly for kitchen use 器皿 v. to be organized in a way that is suitable for a particular purpose or situation 使適應(yīng)；使適合,partb_1_b_1,one way or another take for granted amount to,listening tasks,word bank,langua

28、ge and cultural notes,either of two possible ways; in any way 不是用這種方法就是用那種方法；用某種方法 to accept sth. as true without questioning 想當(dāng)然 to be equal to, esp. in meaning 意味著,exercise 1,exercise 2,passage 1,passage 2,speaking tasks,partb_1_b_2,1. left-handers chiefly an american usage. in britain the word “l(fā)

29、eft-hander” tends to be confined to sporting contexts rather than used generally for people who are left-handed. 2. has not affected their lives one way or another has not given them trouble in any way 3. a minor source of frustration,listening tasks,exercise 1,language and cultural notes,exercise 2

30、,word bank,passage 1,passage 2,speaking tasks,partb_1_b_2,moderately annoying 4. there are many things that right-handed people take for granted that are quite difficult for left-handers. right-handed people are so familiar with using their right hands to do many things that they regard this as a ma

31、tter of fact. however, these things are not so easy to do for left-handers because of tools not geared to their needs.,listening tasks,exercise 1,language and cultural notes,exercise 2,word bank,passage 1,passage 2,speaking tasks,partb_1_b_2,5. equipment designed for right-handers . geared toward te

32、aching right-handers equipment, instruction manuals, etc. are usually designed or written with right-handed people in mind. many people take it for granted that everyone is right-handed and hence they often fail to consider left-handed people when designing equipment or preparing instruction manuals

33、.,listening tasks,exercise 1,language and cultural notes,exercise 2,word bank,passage 1,passage 2,speaking tasks,partb_1_b_3,listen to the passage and choose the right answers to the questions you hear.,listening tasks,1. a. indifferent. b. neutral. c. favorable. d. sympathetic.,exercise 2,word bank

34、,language and cultural notes,passage 1,passage 2,exercise 1,speaking tasks,partb_1_b_3,listening tasks,2. a. most of them are sympathetic to left-handers. b. most of them are indifferent to the problems left-handers face. c. most of them consider themselves lucky to be right-handed. d. most of them

35、are unaware of the problems left-handers face.,exercise 2,word bank,language and cultural notes,passage 1,passage 2,exercise 1,speaking tasks,partb_1_b_4,listen again and supply the missing information in the tables below.,listening tasks,exercise 2,exercise 1,word bank,language and cultural notes,p

36、assage 1,passage 2,speaking tasks,partb_1_b_4,listening tasks,exercise 2,exercise 1,word bank,language and cultural notes,passage 1,passage 2,speaking tasks,how left-handers feel about their being left-handed a,_,_,_,_,_,partb_1_b_4,listening tasks,exercise 2,exercise 1,word bank,language and cultur

37、al notes,passage 1,passage 2,speaking tasks,b,_,_,_,_,_,_,_,partb_1_b_script,listening tasks,speaking tasks,exercise 1,exercise 2,word bank,language and cultural notes,passage 1,passage 2,partb_2_a,reflections on the texts you have just heard two passages about left-handedness. now discuss the follo

38、wing questions with your partner and then give an oral presentation of what you think of the two passages. you may organize your presentation by linking up your answers to the questions.,listening tasks,speaking tasks,guiding questions,pair work,partb_2_b1,for “why are some people left-handed?” 1. h

39、ave you ever wondered why some people are left-handed while most of us are right-handed? 2. how do you feel when you find someone writes very well with his left hand? 3. what have scientists done to explain left-handedness? 4. what might be the causes of left-handedness according to scientists? 5. w

40、hat do you think of the causes mentioned in the text? do you agree or disagree? why?,listening tasks,speaking tasks,guiding questions,pair work,partb_2_b3,for “does being left-handed affect ones life?” 1. have you ever thought that left-handed people may have various kinds of difficulties in life? 2

41、. do you know what difficulties left-handed people may encounter in day-to-day life? 3. what are your suggestions to help left-handed people?,listening tasks,speaking tasks,guiding questions,pair work,partb_2_demo1,listening tasks,speaking tasks,guiding questions,pair work,partb_2_demo2,listening ta

42、sks,speaking tasks,guiding questions,pair work,partc_t,test your listening,a compound dictation listen to the passage three times and supply the missing information.,partc_q1,approximately 90% of people in the world are 1) naturally right-handed. why is this so, and are we 2) born one way or the oth

43、er? the answer to this question is rather 3) complicated. in babies and young children, no 4) single side becomes 5) dominant until around the age of eight. at 12 weeks, babies usually use both hands 6) equally, but by 16 weeks, they mostly use the left hand for 7) touching. by 24 weeks, they have c

44、hanged again and start using both hands. then at 28 weeks, they become one-handed again, although this time it is the right,test your listening,_,_,_,_,_,_,_,partc_q2,hand that is used more. at 32 weeks, they start using both hands again. 8) when they reach the age of 36 weeks, there is another chan

45、ge, with most babies now preferring to use the left hand. between 40 and 44 weeks, the right hand is once again more used. at 48 weeks, babies switch to using their left hands again, and then between 52 and 56 weeks, the right hand takes over. there are further changes still. 9) at 80 weeks, the rig

46、ht hand loses control, and both are used again equally. when the young child reaches the age of two,test your listening,partc_q4,the right hand takes over again, but between two and a half and three years, both hands are used equally. 10) things finally become stable at around four years and stay th

47、e same until, by the age of eight, one hand is strongly dominant over the other.,test your listening,partd_1_a1,word bank,movie,movie time,time to talk,exercise a,exercise b,partd_1_a2,movie time,time to talk,movie,exercise a,exercise b,word bank,word bank,movie,partd_1_b1,movie time,time to talk,ho

48、ne evolution abuse exquisite physiology zombie dysfunctional rhythm whereas,v. 使更加有效 n. 進(jìn)化 v. 濫用 a. 精致的 n. 生理學(xué)；生理機(jī)能 n. 僵尸，這里指白天死氣沉沉的人 a. 功能失調(diào) n. 節(jié)奏 conj. 而，但是,exercise a,exercise b,partd_1_c,movie time,time to talk,movie,read the following paragraphs summarizing the main point of the clip. fill in t

49、he blanks.,the body clock is the guide to what you should do at any point of time in the day. some prefer to listen to (1) the body clock and some may (2) go against the body clock. we eat, sleep, drink because our (3) body clock tells us we need to do those.,exercise a,exercise b,_,word bank,partd_

50、1_c,movie time,time to talk,movie,though our life is driven by our body clock, different people have different (4) rhythms of body clock. for example, youngsters have difficulty in (5) getting up on time. according to the scientist, some have (6) a faster clock of a 22-hour cycle while some have (7)

51、 a slower clock of a 25-hour cycle. therefore, if you run against your body clock, you (8) will pay the price.,exercise a,exercise b,_,_,_,_,word bank,partd_1_d,movie time,time to talk,movie,give examples of the function of your body clock. is your body clock exactly the same with your classmates an

52、d parents? if not, give examples such as when is the best working time for you and your parents.,exercise a,exercise b,word bank,partd_1_d,movie time,time to talk,movie,1. young people usually sleep late and get up late. 2. old people usually sleep early and get up early. 3. young people like to wor

53、k on multiple tasks at the same time. for example, they can work on their homework while listening to rock music. 4. young people can adjust their body clock easily. for example, they can quickly recover from the jet lag and time difference.,exercise a,exercise b,word bank,partd_1_script,movie time,

54、time to talk,movie,exercise a,exercise b,word bank,partd_2,movie time,pictures look at these pictures and describe them one by one. if possible, try also to find something relevant to talk about.,time to talk,partd_2_a1,movie time,time to talk,partd_2_b1,movie time,time to talk,partd_2_c1,movie time,time to talk,time to talk,movie time,partd_2_a2,1. a man is writing at his desk, wear a black suit with a red tie, a successful businessman, left-handed, feel no inconvenience in his business and in his life as well, common to see such a left-handed person in the west,t