1、Unit 8 Biology and Our Life第1页In this unit you will:1.learn about the basics of biotechnology,and how it relates to daily life;2.familiarize yourself with the words and expressions related to the theme of the unit;3.practice word stress and identify the main ideas in spoken discourse;4.enhance liste
2、ning skills through non-theme-related audio and video materials;5.use proper expressions and sentence structures to discuss biotechnology and the relationship between biology and daily life.Learning objectives第2页Part I Theme-Related ActivitiesPart I Theme-Related ActivitiesPart II Listening Strategi
3、esPart II Listening Strategies Part III Extensive ListeningPart III Extensive ListeningPart IV Communication SkillsPart IV Communication SkillsPart V Assessment LogPart V Assessment Log第3页Part I Theme-Related ActivitiesPart I Theme-Related Activities Section I Lecture I Section II Interview Section
4、III Lecture II第4页1.Do you know what hardware and software are?And do you know what bioware is?2.What are your expectations of future biotechnology?Lead-in questions:Unit 8 Part I Section I Lead-in questions第5页Word Bankmeniscus/mnsks/n.半月板半月板cartilage/ktld/n.软组织软组织ligament/lmnt/n.韧带韧带arthritic/rtk/ad
5、j.整形外科,矫正术orthopedic/pidk/adj.动荡;混乱bionic/bank/adj.仿生学shock absorber n.减震器减震器allograft/lgrft/n.同种异体移植同种异体移植Unit 8 Part I Section I Word Bank第6页stem cell paste graft n.干细胞黏贴移植干细胞黏贴移植immunology/mjnldi/n.免疫学免疫学epitope/eptp/n.表位表位galactosyl/glktsl/n.半乳糖半乳糖achilles tendon/kliztendn/跟腱跟腱collagen/kldn/n.胶质
6、,胶原胶质,胶原antigens/ntdn/n.抗原抗原regeneration/rdenren/n.再生再生Unit 8 Part I Section I Word Bank第7页enzyme/enzam/n.酶酶ambulation/mbjlen/n.移动历史移动历史outpatient/atpent/n.门诊病人门诊病人Unit 8 Part I Section I Word Bank第8页NotesUnit 8 Part I Section I Notes第9页Task 1 Watch the video clip and then decide whetherthe followin
7、g statements are true or false.TaskUnit 8 Part I Section I Task 11.The speaker tore his knee joint meniscus cartilage when he was playing soccer in high school.2.According to the video,arthritis affects people even more than cancer.3.The girl in the video,Jen Hudak,won the Superpipe in Aspen nine mo
8、nths after having destroyed her knee.4.To transplant animal tissues to people,one must fi gure out a way to add more epitope.5.Doctors can use thinner,younger,better tissues than one might have injured in his knee.TF_F_T_F_第10页Task 2 Watch the video clip for the second time and then complete the fol
9、lowing sentences.TaskUnit 8 Part I Section I Task 21.So this me to become an orthopedic surgeon and to see if I couldnt solutions for those problems that would keep me ,and not me.2.Desperate for a solution,weve turned to engineering to to replace our body parts.3.Theres not enough young healthy peo
10、ple their motorcycles and that tissue to us.motivated _focus on _playing sports_limit_design artificial components_worn-out _falling off _donating _第11页Unit 8 Part I Section I Task 24.What about getting to a total biologic knee ,not just the parts?How are we going to artificial joint replacement?5.S
11、o welcome to super biologics.Its not .Its not software.Its .revolutionize_hardware_replacement_bioware_第12页Unit 8 Part I Section I Task 28.Even schoolchildren know that you .9.Scientists think it took less than a millionth of a millionth of a millionth of a millionth of a second for the universe to
12、.10.So now the Big Bang is only a few“Planck Times”old:than the speed of light.“cant go faster than the speed of light”_ expand from the size of an atom to a baseball_ an exploding mass of pure energy expanding faster_ 第13页1.What motivated the speaker to become an orthopedic surgeon?2.Are the biolog
13、ic replacements better than artificial components?Why or why not?3.Describe how people use animal tissues to make biologic knees.Task 3 Watch the video clip again and then have a group discussion based on the following questions.After the discussion,each group will give a brief report to theclass.Ta
14、skUnit 8 Part I Section I Task 3【Script】第14页ScriptUnit 8 Part I Section I Script第15页Word Bankrut/rt/n.刻板乏味生活dietitian/datn/n.营养师营养师ranch/rnt/adj.牧场式pasta/pst/n.意大利面意大利面couscous/ksks/n.北非米,粗麦粉北非米,粗麦粉lactose/lkts/n.乳糖乳糖lactate/lktet/v.泌乳泌乳Unit 8 Part I Section II Word Bank第16页NotesUnit 8 Part I Sectio
15、n II Notes第17页1.What is Regina Ragones occupation?A.A cook.B.A full-time housewife.C.A registered dietitian.D.A columnist.2.Why does Regina Ragone love to cut up bananas and freeze them?A.Frozen bananas contain more nutrition.B.She could not eat a whole banana at once.C.Frozen bananas taste like ice
16、 cream to her.D.She considers it a good way to keep bananas from spoiling.Task 1 Watch the video clip and choose the best answers to the questions below.TaskUnit 8 Part I Section II Task 1第18页3.According to Regina Ragone,from which of the following foods can people NOT get protein?A.A lean piece of
17、chicken or ground beef.B.A big steak.C.A plate of vegetables.D.A bowl of rice.4.At what percentage of fat is chicken or ground beef considered“lean”?A.90%.B.60%.C.10%.D.20%.Unit 8 Part I Section II Task 1第19页5.According to Regina Ragone,what is true about whole grain pasta?A.Whole grain pasta tastes
18、 exactly like regular pasta.B.Whole grain pasta tastes like wheat but looks like white.C.Whole grain pasta tastes a little harder than regular pasta.D.Whole grain pasta is made of white rice.6.According to the passage,yogurt is a great way to get in _.A.lactose B.cream C.calcium D.milkUnit 8 Part I
19、Section II Task 1第20页1.What is the difference between traditional ideas of a meal and what nutritionists recommend now?2.How many vegetables and fruits should adults have for a day?Task 2 Watch the video clip for the second time and give a short answer to each of the following questions.TaskIn the p
20、ast,people grew up with meat as the main part of their meals.Now,nutritionists recommend that meals be half salad and vegetables,a quarter protein,and a quarter grain.Adults should have 2 to 3 servings of vegetables a day and 2 to 3 fruits._Unit 8 Part I Section II Task 2第21页Unit 8 Part I Section II
21、 Task 23.Why are some people cutting dairy out of their diets?For people who are lactose intolerant,is there any substitute for dairy?Many people think that dairy is not good for them,so they cut out dairy.The lactose intolerant could use lactate milk._第22页Task 3 Watch the video clip again and then
22、work with a partner to summarize Ragones serving suggestions.TaskUnit 8 Part I Section II Task 3【Script】Vegetables and fruits:.Meats:.Whole grain:.Dairy:People should eat a large portion of fruits and vegetables.Adults should have 2 to 3 servings of both fruits and vegetables every day _ Protein is
23、very important.However Ragone recommends lean chicken or ground beef,which are 90%fat free _ The dietary guidelines suggest that half of all carbohydrates should come from whole grain.Ragone suggests couscous and whole grain pasta as healthy forms of carbohydrates _ People need the calcium from dair
24、y.For those who are lactose intolerant,they could choose lactate milk or yogurts._第23页Unit 8 Part I Section II Task 3Script第24页Word Bankexoskeleton/eksskeltn/n.外骨骼外骨骼squat/skwt/n.半蹲半蹲agility/dlti/n.灵敏,灵活augment/ment/v.增大增大crutch/krt/n.胯部胯部gait/et/n.步态,步法步态,步法summersault/smslt/n.筋斗;翻筋斗筋斗;翻筋斗pelvis/pe
25、lvs/n.骨盆骨盆Unit 8 Part I Section III Word Bank第25页NotesUnit 8 Part I Section III NotesExoskeleton An exoskeleton is the external skeleton that supports and protects an animals body,in contrast to the internal skeleton of,for example a human.In popular usage,some of the larger kinds of exoskeletons ar
26、e known as“shells”.Examples of exoskeleton animals include insects such as grasshoppers and cockroaches,and crustaceans such as crabs and lobsters.第26页1.According to the speaker,which of the following is not a 2.function of the exoskeleton?A.It will further enhance the users speed.B.It will give the
27、 user extra strength.C.It will keep the user at a constant temperature.D.It will manage the users balance.2.According to the speaker,how many American soldiers suffer from chronic back injuries?A.30%.B.100%.C.70%.D.50%.Task 1 Watch the video clip and choose the best answers to the questions below.Ta
28、skUnit 8 Part I Section III Task 1第27页3.Due to the flexible design,.A.exoskeletons can control soldiers body temperature B.exoskeletons allow soldiers to do deep squats,crawls,and high-agility movements C.exoskeletons allow soldiers to run as fast as they can D.exoskeletons can sense the barriers so
29、ldiers may encounter4.As a result of a skiing accident,Amanda Boxtel injured her.A.cranial nerve B.joints of legs C.spinal cord D.heel tendonUnit 8 Part I Section III Task 1第28页5.According to Boxtel,an exoskeleton is better than other technologies,because it allows her.A.to ski B.to ride a handcycle
30、 C.to climb rocks D.to walkUnit 8 Part I Section III Task 1第29页1.Soldier:With the HULC exoskeleton,I can carry lbs.over terrain for many hours.Its design allows for deep squats,crawls,and high-agility movements.It senses what I want to do,where I want to go,and then augments my and .2.EB:Amanda is w
31、earing our e-LEGS,I said.It has its completely non-invasive sensors in the crutches that send signals back to our onboard computer that is sitting here at her back.There are packs here as well that power that are sitting at her hips,as well as her knee joints,that move her in this kind of smooth and
32、 very natural gait.Task 2 Watch the video clip for the second time and then complete the following sentences.TaskUnit 8 Part I Section III Task 2varied_flexible_strengthendurance_sensors_200_signals_battery_motors_forward_【Script】第30页ScriptUnit 8 Part I Section III Script第31页Part II Part II Listenin
33、g StrategiesListening Strategies Understanding Lectures:Note-taking 4 第32页Understanding Lectures:Note-taking 4Unit 8 Part II第33页Word Bankbiome/bam/n.(生态)生物群系(生态)生物群系tundra/tndr/n.冻原,苔原(树木不生、底土常年冰冻北极地域)taiga/tag/n.针叶树林地带针叶树林地带boreal/brl/adj.北;北风;北极marshy/mi/adj.多沼泽Scandinavia/skndnev/n.斯堪那维亚半岛gouge/a
34、d/n.凿成槽(或孔、洞)depression/dpren/n.洼地;凹地;坑洼地;凹地;坑Unit 8 Part II Word Bank第34页coniferous/knfrs/adj.松类;结球果deciduous/dsdus/adj.落叶larch/lt/n.落叶松落叶松aspen/spn/n.(美洲)颤杨,大齿(美洲)颤杨,大齿杨;(欧洲)山杨杨;(欧洲)山杨temperate/temprt/adj.温和;温带spruce/sprus/n.云杉木云杉木photosynthesize/ftsnsaz/v.起光合作用;光能合成起光合作用;光能合成conical/knkl/adj.圆锥形;
35、圆锥predator/predt(r)/n.捕食性动物捕食性动物Unit 8 Part II Word Bank第35页marten/mtn/n.貂鼠貂鼠,貂皮貂皮ermine/mn/n.貂;鼬獾貂;鼬獾hibernate/habnet/v.冬眠;蛰伏冬眠;蛰伏herbivore/hbv(r)/n.食草动物食草动物moose/mus/n.驼鹿(产于北美;在欧驼鹿(产于北美;在欧洲和亚洲称为麋鹿)洲和亚洲称为麋鹿)vole/vl/n.田鼠田鼠lemming/lem/n.旅鼠(栖居于北方严寒国家)Unit 8 Part II Word Bank第36页NotesUnit 8 Part II Not
36、es1.Scandinavia It is a cultural,historical and ethno-linguistic region in northern Europe that geographically consists of Norway and Sweden(two countries that form the Scandinavian Peninsula)and the country of Denmark which is situated on the Danish islands and Jutland.2.Herbivore It is an organism
37、 that is anatomically and physiologically adapted to eat plant-based foods.Many herbivores have special digestive systems that let them digest all kinds of plants,including grasses.Omnivores can also eat parts of plants,but generally only the fruits and vegetables produced by fruit-bearing plants.第3
38、7页Review:biomes 大大 zone,plnt,W cnd =plnts&anml tundrastrip of land N,open,marshy,plnes,trees,shrubstoday:another biomes S taiga/boreal forest,大大 est.25%forests here mnig:marshy evergreen forest,Rus,for huge in RusUnit 8 Part II TaskTask Listen to the audio clip and take notes.Afterwards,work with a
39、classmate and reconstruct the lecture using the notes.TaskReference Notes:第38页North Pole TundraTaiga Ru/Scand/Can/AK/glcrgouge&depr n lak,pnds&marshes H2O&melt snow Opn for:needle-leaf tree/coniferous treesm,tundra+sm tree Clsd for:big /only 6 spec Mix zones:big/some brd-leaf deciduous tree larch,as
40、pen,close to temp for.Unit 8 Part II Task 第39页 next time temp for(brd-leaf tree,e.g.maple,oaks)Conditions:Cold,summer short,wint long,adapt pine,fir,spruceevrgrn/cone for snow/dark color suns heat Animals:watery insect bird mammalsArctic fox/wolf/bear migrate all year/marten/ermine thik fur/hibern,e
41、.g.bears/change color e.g.ermines dark brwn white(wntr)Herbivores:moose,young eaten/成成big,strong snowshoe rabbits,voles,lemmingsUnit 8 Part II Task【Script】第40页ScriptUnit 8 Part II Script第41页Part III Part III Extensive Listening I News Reports II Interview III Science Report IV Conversations V Passag
42、e Listening VI Compound Dictation第42页Word BankStarbucks/sta:bks/n.星巴克(美国咖啡星巴克(美国咖啡连锁店)连锁店)venture/vent(r)/n.企业企业premier/prem(r)/adj.首要,最著名vigorously/vgrsli/adv.精力旺盛地,活精力旺盛地,活泼地泼地indication/ndken/n.表明,显示表明,显示Unit 8 Part III I News Reports I第43页NotesStarbucks Corporation It is an international coffee
43、and coffeehouse chain based in Seattle,Washington.Starbucks is the largest coffeehouse company in the world,with 17,009 stores in 50 countries,including over 11,000 in the United States.Starbucks sells drip brewed coffee,espresso-based hot drinks,other hot and cold drinks,coffee beans,salads,hot and
44、 cold sandwiches and panini,pastries,snacks,and items such as mugs and tumblers.Through the Starbucks Entertainment division and Hear Music brand,the company also markets books,music,and film.Many of the companys products are seasonal or specific to the locality of the store.Unit 8 Part III I News R
45、eports I第44页1.What is the main goal of Starbucks fi rst coffee bean farm and processing plant in China?A.Starbucks is planning to expand in the Asian market.B.Starbucks is planning to convince more Chinese people to switch from tea to coffee.C.Starbucks is planning to compete with other coffee ventu
46、res in China.D.Starbucks is planning to promote a new brand of coffee in China.Watch the video clip and then do the following exercise.Unit 8 Part III I News Reports I第45页2.In how many countries does Starbucks buy coffee beans from farmers?A.Starbucks buys its coffee beans from farmers in over 30 co
47、untries.B.Starbucks buys its coffee beans from farmers in over 45 countries.C.Starbucks buys its coffee beans from farmers in over 5 countries.D.Starbucks buys its coffee beans from farmers in over 130 countries.Unit 8 Part III I News Reports I第46页3.Which of the following statements is true about co
48、ffee in Yunnan?A.The coffee makers in Yunnan are skillful at cultivating coffee.B.Starbucks hopes to bring Yunnans distinctive flavor of coffee to local customers.C.This is not the first time that Starbucks has grown its own coffee.D.Starbucks hopes the deal will spark coffee growth in the North Ame
49、rican market.【Script】Unit 8 Part III I News Reports I第47页ScriptUnit 8 Part III I News Reports I第48页hectare/hekte(r)/n.公顷公顷Palmer/pm/n.帕尔默(美国城市名)帕尔默(美国城市名)vacuum pump n.真空泵真空泵gauge/ed/n.宽度,厚度宽度,厚度liter/lit(r)/n.升升Word BankUnit 8 Part III I News Reports II第49页Notes1.Palmer It is a city in and the boro
50、ugh seat of the Matanuska-Susitna Borough in the U.S.state of Alaska.2.Alaska It is the largest state in the United States by area.It is situated in the northwest extremity of the North American continent,with Canada to the east,the Arctic Ocean to the north,and the Pacific Ocean to the west and sou