新核心大学英语B版听说教程Uni7课件

1、新核心大学英语b版听说教程uni7unit 7 scientific inventions versus ethical issues新核心大学英语b版听说教程uni7in this unit you will:1. learn about ethical issues associated with several scientific discoveries;2. familiarize yourself with the words and expressions related to the theme of the unit;3. learn to use these words a

2、nd expressions;4. identify sense groups in a sentence and listen for connectives in spoken discourse;5. practice listening with other non-theme-related audio and video materials;6. use proper expressions and sentence structures to check in at the airport.learning objectives新核心大学英语b版听说教程uni7 新核心大学英语b

3、版听说教程uni7 section i news about technological progress section ii speech (part i) section iii speech (part ii)新核心大学英语b版听说教程uni7 what scientific inventions or discoveries have brought about ethical problems to human so far?2. how should we deal with these ethical problems in the course of science deve

4、lopment?lead-in questions:unit 7 part i section i lead-in questions新核心大学英语b版听说教程uni7word bankgrind on坚定地、无情地向坚定地、无情地向前移动前移动eyepiece /apis/ n. 目镜目镜stamina /stmn/ n. 精力；活力；耐力精力；活力；耐力able bodied adj. 强壮的强壮的radicalize /rdklaz/ vt. 使激进使激进prototype /prttap/ n. 原型；雏形原型；雏形grenade /rned/ n. 手榴弹；榴弹手榴弹；榴弹unit

5、7 part i section i word bank新核心大学英语b版听说教程uni7notesunit 7 part i section i notes1. al-qaeda al-qaeda (the base in arabic), is a militant islamist group founded sometime between august 1988 and late 1989. it operates as a network comprising both a multinational, stateless army and a radical sunni musl

6、im movement calling for global jihad. most of the world considers it a terrorist organization. al-qaeda has attacked civilian and military targets in various countries, most notably the september 11 attacks on new york city and washington, d.c. in 2001. the u.s. government responded by launching the

7、 war on terror. characteristic techniques include suicide attacks and simultaneous bombings of different targets. activities ascribed to it may involve members of the movement, who have taken a 新核心大学英语b版听说教程uni7task 1 watch the video clip and then decide whether the following statements are true or

8、false.pac-bot is powered by battery and is the u.s. armys first battlefield robot.the main mission of the battlefield robot is to kill terrorists.(the main mission of the battlefield robot is to clear caves and check buildings.) tf_taskunit 7 part i section i task 1新核心大学英语b版听说教程uni7the whole process

9、 of building a battlefield robot takes 90 days.the pac-bots components are worth $54,000.there are two prototypes to fit pac-bot with weapons and cameras.ttf_(the pac-bots components are worth $45,000.)_unit 7 part i section i task 1新核心大学英语b版听说教程uni7task 2 watch the video clip for the second time an

10、d then complete the following sentences. taskunit 7 part i section i task 2the war against grinds on in afghanistan with us forces searching through dangerous terrain for al-qaeda .2. and while its packs leave it sometimes lacking the of more able bodied , pac-bot has been winning friends.3. we used

11、 it in cave and i think theres quite otherquite a of ways we can use that.terrorismhold-outsbatterystaminacombatantsexplorationnumber_新核心大学英语b版听说教程uni7unit 7 part i section i task 24. also radicalizing slow and expensive military development, the $45,000 pac-bots components are mostly available.5. w

12、hile no one here this new high tech point man to combat troops anytime soon, it seems the for al- qaeda is giving this new generation of an opportunity to get its feet or tracks on the battlefield.traditionallycommerciallyexpectsreplacehunt warrior _新核心大学英语b版听说教程uni7what do you think of the robot? i

13、s it a curse or a blessing?2. have you ever tried to invent something? if so, explain what you invented and how.3. what qualities should an inventor have?4. what do you think of new technologies, such as cloning, the personal computer, the internet, genetically modified food, and the space station?5

14、. some inventions inevitably bring about ethical problems. give an example and explain the merits and demerits of the invention.task 3 watch the video clip again and discuss the following questions in groups. after the discussion, each group will give a brief report to the class.taskunit 7 part i se

15、ction i task 3【script】新核心大学英语b版听说教程uni7scriptunit 7 part i section i script robotic point man in afghanistananchor the war against terrorism grinds on in afghanistan with us forces searching through dangerous terrain for al-qaeda hold-outs. one of the searchers is a new recruitpowered by batteries i

16、nstead of military rations. our nick robertson has the story.nick robertson, cnn correspondent past waiting troops, a new ally in the battle against al-qaeda speeds forward. pac-bot, the us armys first battlefield robot checks the trail ahead and sends back pictures.新核心大学英语b版听说教程uni7word bankperseve

17、rance /psvrns/ n.毅力；不屈不挠毅力；不屈不挠triumph /tramf/ vi.成功成功sponsor /spns(r)/ vt.赞助；倡议赞助；倡议diagnostic /danstk/ adj.诊断的诊断的therapy /erpi/ n.疗法；治疗疗法；治疗threshold /rehld/ n.入口；开端入口；开端restraint /rstrent/ n.抑制抑制custom-made /kstmmed/ adj. 定做的；订制的定做的；订制的conscience /knns/ n.良心；责任心良心；责任心compass /kmps/ n.范围；界限范围；界限un

18、it 7 part i section ii word bank新核心大学英语b版听说教程uni7notesunit 7 part i section ii notes1. they have triumphed in the face of physical disability and share a deep commitment to medicine that is practiced ethically and humanely. they have gained success in spite of physical disability and they all dedica

19、te themselves to medicine that is practiced in a moral and humanitarian way. in the face of: in spite of for example: they continued the project in the face of criticism.2. human cloning human cloning is the creation of a genetically identical 新核心大学英语b版听说教程uni7 who is the secretary of health and hum

20、an services? a. tommy thompson. b. joni tada. c. jim kelly. d. steve mcdonald.2. according to president bush, what is one of the most important advances in scientific theory? a. treatment of aids. b. treatment of alzheimers disease. c. cracking of the human genetic code. d. treatment of parkinsons d

21、isease.task 1 watch the video clip and choose the best answers to the following questions.taskunit 7 part i section ii task 1新核心大学英语b版听说教程uni73. what is president bushs position on human cloning? a. it should be conducted. b. it should be banned. c. it should be encouraged. d. it should be carried o

22、ut only in federal laboratories.4. which one of the following politicians is a u.s. representative? a. brownback. b. landrieu. c. bond. d. stupak.5. president bush refers to the current age as the age of _. a. scientific revolution b. genetic medicine c. the information superhighway d. religious con

23、flictunit 7 part i section ii task 1新核心大学英语b版听说教程uni71. who sponsored a bill against human cloning?2. according to president bush, in what diseases can scientists make breakthroughs?3. what should scientists have when they pursue medical research?task 2 watch the video clip for the second time and g

24、ive a short answer to each of the following questions.tasksenators brownback and landrieu.aids, alzheimers disease, cancer, diabetes, heart disease, and parkinsons disease.a clear sense of moral purpose._unit 7 part i section ii task 2_新核心大学英语b版听说教程uni7task 3 watch the video clip again and then work

25、 with your partner to summarize it using the following words.taskperseverance triumphsponsorcrackdiagnostictherapythresholdrestraintcompassunit 7 part i section ii task 3【script】新核心大学英语b版听说教程uni7scriptunit 7 part i section ii script president bush calls on senate to back human cloning ban (part i) t

26、he president: thank you very much. thank you. thank you for coming. thank you all. please be seated. well, thank you all so very much for coming to the white house. its my honor to welcome you to the peoples house. i particularly want to honor three folks who i had the honor of meeting earlier: joni

27、 tada, jim kelly, and steve mcdonald. i want to thank you for your courage. i want to thank you for your wisdom. i want to thank you for 新核心大学英语b版听说教程uni7word banknucleus /njuklis/ n.细胞核；核细胞核；核embryo /embri/ n. 胚胎胚胎abnormality /bnmlti/ n. 异常；畸形异常；畸形commodity /kmdti/ n. 商品商品specification /spesfken/ n

28、. 规格；详述规格；详述implant /mplnt/ v. 嵌入；移植嵌入；移植stem cell干细胞干细胞extinguish /kstw/ v. 熄灭熄灭nascent /nsnt/ adj. 新生的；尚不成熟的新生的；尚不成熟的bipartisan /baptzn/ adj. 两党的两党的spectrum /spektrm/ n. 光谱；范围光谱；范围unit 7 part i section iii word bank新核心大学英语b版听说教程uni7coalition /kln/ n. 结合；联合结合；联合compassionate /kmpnt/ adj.有同情心的有同情心的d

29、erive /drav/ v. 起源；引申于起源；引申于abortion /bn/ n. 流产；堕胎流产；堕胎exploit /ksplt/ vt. 剥削；利用剥削；利用speculative /spekjltv/ adj. 推测的；推理的推测的；推理的inject /ndekt/ v. 注射注射consistent /knsstnt/ adj. 始终如一的；一致的始终如一的；一致的comprehensive /kmprhensv/ adj. 综合的；广泛的综合的；广泛的endorse /nds/ vt. 支持；赞同支持；赞同unit 7 part i section iii word ban

30、k新核心大学英语b版听说教程uni7notesunit 7 part i section iii notes1. dna dna is a nucleic acid that contains the genetic instructions used in the development and functioningof all known living organisms, with the exception of some viruses. the main role of dna molecules is the long-term storage of information.

31、dna is often compared to a set of blueprints, like a recipe or a code, since it contains the instructions needed to construct other components of cells, such as proteins and rna molecules. the dna segments that carry this genetic information are called genes, but other dna sequences have structural

32、purposes, or are involved in regulating the use of this genetic information.新核心大学英语b版听说教程uni7all of the following are indispensable for cloning except _ . a. a donor b. a womans egg c. genetic material d. the nucleus of a womans egg2. which two types of cloning did president bush mention? a. human c

33、loning and animal cloning. b. scientific cloning and commercial cloning. c. reproductive cloning and research cloning. d. legal cloning and illegal cloning.task 1 watch the video clip and choose the best answers to the following questions.taskunit 7 part i section iii task 1新核心大学英语b版听说教程uni73. what

34、is president bushs stance on human embryonic stem cell research? a. it should be banned. b. it should be supported. c. it should be discussed. d. it should be partially stopped.4. what does president bush call himself? a. an incurable optimist. b. an incurable romantic. c. an incurable realist. d. a

35、n incurable opportunist.5. what are americans attitudes towards reproductive cloning? a. it should be continued. b. it should be partially conducted. c. it should be banned. d. it should be debated.unit 7 part i section iii task 1新核心大学英语b版听说教程uni7task 2 watch the video clip again and then complete t

36、he following sentences.taskunit 7 part i section iii task 21. cloning is achieved by putting the from a donor into a womans egg, which has had its removed.2. others have announced plans to produce cloned children, despite the fact that laboratory cloning of animals has led to and terrible, terrible

37、.3. our children are gifts to be loved and protected, not products to be and .4. first, anything other than a total ban on human cloning would be .genetic materialnucleusspontaneous abortionsabnormalitiesdesignedmanufacturedunethical_新核心大学英语b版听说教程uni7unit 7 part i section iii task 2【script】5. second

38、ly, anything other than a total ban on human cloning would be impossible to .6. third, the benefits of research cloning are highly .7. yet even if research cloning were medically , every person who wanted to benefit would need an clone of his or her own, to provide the designer .8. and at the same t

39、ime, we will pursue other and ways to relieve suffering through .9. it has wide support across the : liberals and conservatives support it, religious people and nonreligious people support it.10. i truly believe that were gonna to bring and to countless lives across the country.virtuallyenforcespecu

40、lativeeffectiveembryonictissuespromisingethicalbiotechnologypolitical spectrumhopehealing_新核心大学英语b版听说教程uni7scriptunit 7 part i section iii script president bush calls on senate to back human cloning ban (part ii) human cloning is the laboratory production of individuals who are genetically identical

41、 to another human being. cloning is achieved by putting the genetic material from a donor into a womans egg, which has had its nucleus removed. as a result, the new or cloned embryo is an identical copy of onlythe donor. human cloning has moved from science fiction into science. one biotech company

42、has already begun producing embryonic human clones for research purposes. chinese scientists have derived stem cells from cloned embryos created by combining 新核心大学英语b版听说教程uni7 section i pronunciation skillsense group section ii listening skilllisten for connectives新核心大学英语b版听说教程uni7pronunciation skil

43、lsense groupunit 7 part ii section i one usually speaks in clusters of words, expressions, or sentences. communication is therefore conducted in a linear ( (线状的线状的) ) way. in order to make oneself understood by listeners, one should speak clearly. one effective way is to give hints about units of me

44、aning when speaking, so that listeners do not need to exert themselves to remember large amounts of information. the total meaning of a sentence can thus be understood without confusion. a sense group is a small unit which is discretely ( (分离地分离地) ) spoken and a silence ( or pause ) is a clue to und

45、erstanding the sense group.新核心大学英语b版听说教程uni7 the meaning of an utterance will depend on how one identifies sense groups with the pauses. when marking off sense groups with pauses on different words, one changes the meaning of an utterance. e.g. the us government said the african leaders have grossly

46、 neglected the increased rate of aids infections. note sense groups and note how they alter the total meaning: a. the us government / said the african leaders / have grossly neglected / the increased rate of aids infections./ b. the us government said / the african leaders / have grossly neglected /

47、 the increased rate of aids infections./unit 7 part ii section i新核心大学英语b版听说教程uni7unit 7 part ii section i when the pause is used after the initial sense group, “the us government” ,the us government becomes the subject of the sentence, as in (a) above. if, however, the pause is after the sense group

48、 “the us government said” (as in (b), “the african leaders” becomes the subject instead. the answer to the question, “who neglected the increased rate of aids infections?” will, therefore, depend on how pauses create sense groups.新核心大学英语b版听说教程uni7unit 7 part ii section i the following are tips to ma

49、rk sense groups in a sentence.1. noun phrasee.g. a bridge this story social science new years day the poor twenty-four hours2. prepositional phrasee.g. from now on with an effort up till now for this reason3. adverbial phrasee.g. day and night first of all to begin with in the final analysis4. adver

50、bial + prepositional phrasee.g. early in the week far in the distance late at night新核心大学英语b版听说教程uni7unit 7 part ii section i5. adverb+verb or verb+adverbe.g. quite understand work hard often come6. link verb+predicativee.g. look happy stay alive be at work7. set phrasese.g. to take a nap to have a d

51、iscussion to get ready8. subject+predicate in simple sentencee.g. he sits down. they are very sorry.新核心大学英语b版听说教程uni7unit 7 part ii section i9. subject+predicate+object in simple sentencee.g. i can speak japanese he gave me a magazine10. simple sentence as noun clause, including subject, predicative

52、, and object clausese.g. that she will gois uncertain. （subject clause） that ishow he tells jokes. （predicative clause） tom told mewhere i could live.（object clause）11. simple attributive clausee.g. this is a companythat imports books12. simple adverbial clausee.g. i waitedtill he came back he canno

53、t comebecause he is illwe worked quicklyso that we finished our plan新核心大学英语b版听说教程uni71. let us hold off ordering the dessert until later.2. rosy said that vimala was stopped abruptly on the way to college and abducted by a gang of youngsters in black masks.3. i put it on the table.4. after school, m

54、y classmates and i are going to play basketball.5. my brother takes care of the vegetable garden.task 1 listen to the following sentences and mark the sense groups.taskunit 7 part ii section i task 1新核心大学英语b版听说教程uni7task 2 listen and repeat the following.taskunit 7 part ii section i task 21. profess

55、or li2. on account of that3. safe and sound4. deep in the sea5. five hundred and eighty-nine6. some milk7. get warm8. talk tediously9. to jump to the conclusion10. she stands up.11. they look worried. 12. i teach him french.13. this is where i work. 14. whether jack will leave is not sure.15. i spea

56、k loudly so that everyone can hear.新核心大学英语b版听说教程uni7 connectives ( (过渡词过渡词) ) are used to link two sentences either semantically ( (语义语义) ) or structurally ( (结构结构).). common connectives in english express temporal ( (时间时间) ) , causal ( (因因果果),), transitive ( (转折转折),), coordinative ( (并列并列),), progr

57、essive ( (递递进进),), contrastive ( (对比对比) ) , or comparative ( (比较比较) ) relations. connectives help to establish different kinds of relations among sentences and the correct use not only makes the discourse ( (语篇语篇) ) coherent ( (连贯连贯) ) and logical, but also adds to its stylistic and rhetorical effec

58、t.listening skilllisten for connectivesunit 7 part ii section ii新核心大学英语b版听说教程uni7unit 7 part ii section ii connectives can be easily identified at the sentence or discourse level. for instance, the connective, “because” , which indicates a causal relationship, can be spotted in a complex sentence. i

59、n the following example it is obvious that “because” here causally links the main and subordinate clauses. it is on account of “because” that the main clause here functions as the effect, while the subordinate one is the cause. e.g. a preschooler has been rejected from a boulder catholic school beca

60、use the childs parents are lesbians.新核心大学英语b版听说教程uni7unit 7 part ii section ii connectives, more often than not, are not simply limited to a sentence. they are expected to organize the discourse. one should thus focus on how a discourse, usually in the form of a paragraph, is semantically constructe