Unit 3 Welcome .docx

1、第7讲 选择性必修二Unit3 Welcome&Reading目标任务课程标准学习目标围绕人与社会的主题语境，依托语篇，通过一系列英语学习活动，发展英语学科核心素养。1通过文字、图示等形式多样的语篇激发学生的学习兴趣，帮助学生初步了解单元主题，为单元学习做好热身准备。2阅读关于医学进展话题的语篇，感受真实、地道、优美的英语，了解中外优秀文化。3通过一系列多维度、分层次的阅读活动，深入探究主题意义，提升英语能力。02预习导学（一）课前阅读：本单元主题：Fit for life我们先来看这些关于医学的名言谚语：1. The practice of medicine is an art, not a

2、 trade; a calling, not a business; a calling in which your heart will be exercised equally with your head. William Osler行医是艺术而非交易，是使命而非生意，在这个使命中，你要如用脑般用心。威廉奥斯勒2. The healer， also。 Good intentions， that is， for the good。医者，意也。善于用意，即为良医。孙思邈3. The healer， not love， not retreated； The principle of intel

3、ligent， not also； Not honest tenderness， credibility also。夫医者，非仁爱之士，不可托也；非聪明理达，不可任也；非廉洁纯良，不可信也。杨泉In this Unit, you are going to: read a lecture transcript about genome editing; write an article on short-sightedness; read a health magazine article about acupuncture; make a booklet about first-aid ski

4、lls.Medical professionals work hard to keep us healthy. Look at the pictures below and discuss the following questions in pairs.问题1：What jobs are shown in the pictures? Surgeon, physician, chemist, dentist.问题2：Would you like to be a medical professional? Why or why not?Yes, Id like to. Because a med

5、ical professional can help more patients get well.问题3：Can you describe an experience you had with a medical professional? What was it like?Yes, I can. I found the medical professional was very patient with me and he showed great care for his patients.Advances in medical science are happening quickly

6、 these days. The lecture below is given by a biologist about the new possibilities that gene research can bring. Before you read the lecture transcript, think about the following questions:问题1：What advances in medical science have you heard about? 问题2：What do you know about genes?The future is in ou

7、r genesGood afternoon, ladies and gentlemen. Thank you all for coming to this lecture. Over the course of my career, I have seen many wonderful scientific developments, but none are as game-changing as genome editing. I am full of excitement about the possibilities this scientific advance can bring

8、and I hope to share my excitement with you today. As many of you may already know, genes play a critical role in shaping our lives. Everything from the colour of our eyes to our talent for maths depends on genes. The complete set of genes inside a cell or a living being is called a genome. Our own p

9、ersonal genome carries all the information needed to make us grow and develop. It also contains information that helps determine our lifespan and affects our chances of contracting certain diseases. Some people, for example, carry a gene that makes them more likely to catch a certain virus or develo

10、p a particular form of cancer. Geneticists have been trying to identify which genes relate to which diseases, as they believe genome editing is an effective means of disease treatment and prevention. It allows geneticists to make changes to the genome by correcting, adding, deleting or replacing spe

11、cific parts of the genetic material. In the near Advances in medical science are happening quickly these days. The lecture below is given by a biologist about the new possibilities that gene research can bring. Before you read the lecture transcript, think about the following questions: What advance

12、s in medical science have you heard about? What do you know about genes? Reading 5 10 15 Fit for life 31 future, geneticists hope to apply this technology to treat a wide range of health problems. Soon we may be able to use such treatments to restore a blind persons vision or give someone who was bo

13、rn deaf an excellent sense of hearing. Ultimately, this new technology might even make it possible to prevent diseases from ever developing by correcting abnormal genes early on. Genome editing, serving as a new weapon in the fight against diseases, will lead to a fundamental change in our approach

14、to health care. As the technology continues to develop at a fast pace, however, questions arise about how to use it appropriately. Should we restrict our use of this technology to the treatment and prevention of diseases? Should we prohibit geneticists from using it to enhance healthy bodies? One da

15、y soon we will be able to use genome editing to increase the human resistance to colds and flus, to make people taller, to help their muscles develop faster, to sharpen all of their senses or to make them more intelligent. We will also be able to select specific characteristics for children before t

16、hey are born, creating what some have called “designer babies”. However, is this a good thing? What consequences might it have? Philosophers, geneticists and government officials have all started to wrestle with such moral issues. We have to figure out how to keep the technology from running wild. T

17、his means putting appropriate controls in place to make sure that genome editing will work to our advantage. Without them, genome editing could be as dangerous as a car out of control. There is still much to be explored and debated on the subject of genome editing. Despite the public argument over t

18、his technology, its possibilities have been creating much excitement throughout the entire medical community and beyond. Without doubt, genome editing is one of the greatest inventions in the history of science. Thank you for listening.该单元Reading 部分文章的段落划分：Para1: Genome editing brings many exciting

19、possibilities.Para2-4: Genome editing can help with disease treatment and prevention and the concerns about how to use gene editing appropriately.Para5: Genome editing is one of the greatest inventions in the history of science. （二）基础梳理【知识梳理1】surgeon n.外科医生相关词： physician n. 内科医生【知识梳理2】chemistn. 化学家；

20、药剂师词性变化： chemistry 化学 chemical adj. 化学 n. 化学物质，化学药品【知识梳理3】specializev. 专门研究，专供常见搭配： specialize in. 专供（某个领域）词性变化： special adj. 特殊的 specialist n. 专家【知识梳理4】affect v. 影响常见搭配： affect sb/sth 影响某人或某事词性变化： effect n. 影响=impact 词组：have an effect/impact on sb/sth 对.有影响【知识梳理5】contract n. 合同，合约 v. 感染疾病；与.订立合约常见搭

21、配： service contract 服务合同 social contract 社会契约【知识梳理6】identify v. 找到，发现；确认，认出；显示，说明常见搭配： be identified as 被认出是.词性变化： identification n. 识别 identity n. 身份【知识梳理7】means n. 方式，方法；财富，钱财常见搭配： by all means 无论如何；当然可以 by means of 以.的方法 by no means 绝不（放在句首用于倒装句中）词性变化： means这个名词属于单复同形【知识梳理8】deletev. 删除常见搭配： be de

22、leted from 被从.里删除词性变化： deleted adj. 已经被删除的【知识梳理9】restorev. 恢复；修复；使复原，使复位常见搭配： restore to 恢复到. restore order/calm 恢复秩序/平静词性变化： restoration n. 复原，恢复 【知识梳理10】ultimatelyadv. 最终，根本上近义词：finally词性变化： ultimate adj. 最终的，最后的【知识梳理11】abnormaladj. 不寻常的，反常的反义词：normal 正常的【知识梳理12】weaponn.武器常见搭配：nuclear weapon 核武器 p

23、owerful weapon 强力武器【知识梳理13】fundamentaladj. 十分重大的，根本的；基础的，基本的n. 基本规律，根本法则近义词： basic adj.基本的 essential adj. 基本的搭配：fundamental unit 基本单位词性变化：fundamention n.基础；根本【知识梳理14】pacen.发生的速度，步伐，节奏v.来回踱步，走来走去常见搭配： at ones own pace 以某人自己的速度 keep pace with 与.步调一致【知识梳理15】arisev. 发现，产生，由.引起 arise- arose- arisen常见搭配:

24、arise from/out of 由。引起；因。产生注意： arise一般无被动形式【知识梳理16】restrictv. 禁止，使不可能常见搭配： be restricted to 被限制在.词性变化：restriction n. 限制，约束 【知识梳理17】prohibit v. 禁止，使不可能常见搭配： be prohibited from 被禁止做某事prohibit sb from doing sth 禁止某人做某事词性变化： prohibition n. 禁止 prohibitive adj. 禁止的【知识梳理18】resistancen. 抵抗力；抵制，反对；抵抗词性变化：res

25、ist v. 抵制，反抗 搭配：resist doing sth 抵制做某事【知识梳理19】wrestlev. 奋力对付，努力处理；摔跤常见搭配： wrestle with. 努力处理，全力解决词性变化： wrestler n. 摔跤手【知识梳理20】put sth in place 放在正确位置，准备妥当其他短语：out of place 不妥当，不在原来的位置【知识梳理21】debatev.讨论，辩论；仔细考虑，思考n.讨论，辩论常见搭配：be open to debate 开放讨论 debate sth with sb 和某人讨论某事 under debate 讨论中 a debate

26、on/about/over 关于.的讨论词性变形： debater n.辩论者【知识梳理22】without doubt 毫无疑问常见搭配： there is no doubt that. 毫无疑问. 词性变形：doubtful adj. 存疑的 doubtfully adv. 存疑地【知识梳理23】finding n. 发现，研究成果（可数名词）one of the most important findings 最重要的发现之一【知识梳理22】ripeadj. 成熟的；时机成熟的 词性变形： ripen v. 使.成熟（三）预习作业预习这单元的Grammar部分-现在完成进行时“Prese

27、nt perfect continuous tense”03探究提升环节一 变：根据首字母或汉语提示完成下列句子1. Henry David was happy to w_ from social life, seeking a harmonious relationship. with nature in the quietness of his life.2.The south of the country was worst a _ by the drought.3.In a good marriage, both husband and wife work hard to solve

28、any problems that a_.4. The object of these experiments was to find the connection, if any, between the two p_.5.This suggests that they were deciding between truth and dishonesty, and u_ opting for the latter.6. The dove is a universal s_ of peace.7. She had spent the whole weekend w_ with the prob

29、lem8.A growing a_ disturbing the public that the economy will continuously decline9.I am extremely g_ to all the teachers for their help.10.E_ with a street plan, the boy set out to look for the shop where his mother worked.11.The law would encourage companies to s_ from coal to cleaner fuels.12.Whe

30、n it comes to keeping healthy, playing sports enjoys w_ popularity among people.13. More importantly, it provides students with new skills to t_ future challenges.14.It is the easiest of crops to grow and is seemingly r_ to any disease.15.Many people believe that reading can f_ peoples passion and c

31、reativity in their lives.16. They were deeply_(心神不安的) by the accident.17. It is_(显而易见的) that smoking is harmful to health.18.I prefer the relaxed(节奏) of life in the country.18.The doctor is probing the wound for signs of_(感染).19. There is a_(根本的) difference between the two points of view.【答案】1. with

32、draw 2. affected 3. arise 4. phenomena 5. ultimately 6. symbol 7. wrestling 8. anxiety 9. grateful 10. Equipped 11. switch 12. widespread 13. tackle 14. resistant 15. fuel 16. disturbed 17. evident/clear/obvious 18. infection 19. fundamental环节二 变：用单词的适当形式填空1. This research has done much (advance) ou

33、r understanding of language learning.2. Do you know anyone with a mental or physical (disabled)?3. (equip) with the skills they will need once they leave college, the students are well prepared for graduation. 4. She eats an (unbelievably) amount of food.5. All these years, they (contribute) article

34、s to our magazine.6. The trouble was she had lost her passport.7. The drug was (withdraw) from sale after a number of people suffered serious side effects.8. Some (scientific) believe that birds do sing some of the time just because they are happy.9. Like many other students, you may have various pe

35、ople, (include) family members and friends, giving advice on your college decisions.10. (devote) all her life to medical work for Chinese women and children, she won great respect.【答案】1. to advance 2. disability 3. Equipped 4. unbelievable 5. have been contributing 6. that 7. withdrawn 8. scientists

36、 9. including 10. Devoting环节三 变：单句语法填空1. There is evidence _acupuncture _ (date) back to the Stone Age, _ stone tools called bian were used to press areas of the body.2. _ acupuncture developed, the simple bian stones were replaced by stone needles.3. These solid needles are made _ different metals,

37、 such as gold and silver.4. Some acupuncturists today still use gold and silver needles, but the majority have now switched _stainless steel ones.5. Originally, there were nine different kinds of needles, with _(vary) in shape.6. This is a particularly important step according to the energy theory _

38、acupuncture.7. Needles _(push) into the skin at these points so that a health problem can be treated.8. Up to now, more than 360 acupuncture points _(identify), each _(link) to a different part of the body.9. Over the years, acupuncture _(use) to treat a wide variety of health problems, including se

39、vere pains, blood pressure issues, stomach _(comfort), sports injuries and weight problems.10. Despite the _(certain) about its medical basis, acupuncture has become a popular form of treatment.11. As a unique contribution of traditional Chinese medicine, acupuncture spread _ many other Asian countr

40、ies, such as Japan, as early as the 6th century.12. Today, acupuncture is recognized _ a symbol of traditional Chinese culture and has come into widespread use around the world.13. Over the course of my career, I _(see) many wonderful _(science) developments, but none are as game-changing as genome

41、editing.14. _many of you may already know, genes play a critical role in shaping our lives.15. Our own personal genome carries all the information _(need) to make us grow and develop.16. It also contains information _ helps determine our lifespan and affects our chances of contracting certain diseas

42、es.17. Geneticists have been trying to identify which genes relate to which diseases, _ they believe genome editing is an effective means of disease treatment and prevention.18. It allows geneticists _ (make) changes _ the genome by correcting, adding, deleting or replacing specific parts of the gen

43、etic material.19. In the near future, geneticists hope to apply this technology _ treat a wide range of health problems.20. Ultimately, this new technology might even make _ possible to prevent diseases from ever developing by correcting abnormal genes early on.【答案】1. that; dates; when 2. As 3. of 4

44、. to 4. variations 6. behind 7. are pushed 8. have been identified; linked 9. has been used; discomfort 9. uncertainty 11.to 12. as 13. have seen; scientific 14. As 14. needed 16. that 17. as 15. 18. to make; to 19. to 20. it 04体系构建1.掌握本章节的重点词汇：surgeon physician chemist specialize affect contract id

45、entify relate delete restore abnormal occur restrict prohibit resistance wrestle mature2.了解关于医学进展的相关背景知识3.知道如何归纳reading部分四个段落的大意Para1: Genome editing brings many exciting possibilities.Para2-4: Genome editing can help with disease treatment and prevention and the concerns about how to use gene editi

46、ng appropriately.Para5: Genome editing is one of the greatest inventions in the history of science. 05记忆清单一、重点词汇词性拓展1. _surgeon_ (n.外科医生)_surgery_ (n.外科手术)2. _physician_ (n.医师，内科医生)_physical_ (adj.身体的；物质的)_physically_ (adv. 身体上)3. _chemist_ (n.药剂师；化学家)_Chemistry_ (n.化学)_chemical_ (adj.化学的) _chemical

47、ly_ (adv.化学地)4. _specialize_ (vi.专门研究或从事，专攻)_special_ (adj.专门的；特殊的)_specially_ (adv.专门地；特殊地)_specialist_ (n.专家)5. _gene_ (n.基因)_genetic_ (adj.基因的)6. _affect_ (vt.影响；侵袭；深深打动)_affection_ (n.感情; 喜爱; 爱情)_effect_ (n.影响；效应)_effective_ (adj.有效的)7. _contract_ (vt.感染疾病；与订立合同n.合同，合约)_contraction_ (n.收缩; 缩小)8.

48、 _identify_ (vt.找到，发现；确认)_identification_ (n. 识别; 鉴定; 确认)_identity_ (n.身份)9. _relate_ (vt./vi.联系，使有联系；叙述，讲述)_related_ (adj. 相关的; 有联系的)_relation_ (n.关系，关联)10. _delete_ (vt.删除，删去)_deletion_ (n.删除，删去)11. _restore_ (vt.恢复，修复)_restoration_ (n.恢复，修复)12. _abnormal_ (adj.反常的，畸形的)_normal_ (adj.正常的)_normally_

49、(adv.正常地；通常)13. _weapon_ (n.武器)_weapon_ (vt. 武装;提供武器)14. _occur_ (vi.发生，出现；有引起)_occurred_ (过去式)_occurred_ (过去分词)15. _restrict_ (vt.限制，限定，束缚)_restricted_ (adj.有限的，受限制的)_restriction_ (n.限制，约束)16. _prohibit_ (vt.禁止)_prohibition_ (n.禁止)17. _resistance_ (n.抵抗力，抵制，反对)_resistant_ (adj.有抵抗力的，抵制的；抗的，耐的)_resi

50、st_ (vt.抵制，抵抗)18. _characteristic_ (n.特征，特点adj.典型的，独特的)_character_ (n.性格；特点，特征)19. _wrestle_ (vi./vt.奋力对付，努力处理)_wrestler_ (n.摔跤手)20. _mature_ (adj.成熟的；时机成熟的)_maturity_ (n.成熟)_immature_(adj.不成熟的)二、词组集锦1. play a critical role in 起决定性作用2. applyto 把运用到中3. arise from/out of 由引起4. restrictto 把限制于5. prohib

51、it sb. from doing sth. 禁止某人做某事6. wrestle with 努力处理0601强化训练一、阅读理解AThe Solution(解决方法) for Your Vacation in Costa RicaThis beautiful beach house was built in a natural environment inside a private gated community (住宅小区) named Laguna Vista.It is overlooking the shining waters of the Pacific Ocean.Here，C

52、osta Ricas rich natural beauty is always on your doorstep.Only 25 minutes drive from the airport.It offers 3 different levels which can be rented separately or in its totality.Each level is designed to offer you comfort，privacy and security.PoolAir conditioningHot waterPrivate balconiesAll furnished

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54、 is furnished with the basics and is equipped with a full kitchen.Many_of_the_studios_get_wireless_Internet_as_a_reward.In the summer，you can visit our cottage studios as an affordable alternative to a hotel.If you are interested，call us at 547-193-1533.Feel Comfortable in Our Apartment HomesMoon Is

55、land is a brand new furnished apartment building，close to the Sue River and Pear Park，2 minutes walk to the city centre.Houses for rent here provide perfect facilities (设施) like outdoor swimming pool，gymnasium，children playground，etc.Each house has a 42 inches flat LCD TV，an air-conditioner，a refrig

56、erator，kitchen fittings，24-hour hot water supply，24-hour security guard，etc.The transportation is very convenient.2br：6，500 RMB3br：7，800 RMB【语篇解读】本文是一篇应用文。给我们介绍了三种海边的住宿。21.According to the text，what is common to the three places is that _.A.the city center is within walking distanceB.the price is bo

57、th reasonable and affordableC.the gymnasium is available for all the guestsD.the basic facilities in them are well provided【答案】D【解析】细节理解题。第一则说“All furnished”，第二则说“furnished with the basics and is equipped with a full kitchen”，第三则说“brand new furnished”.因此选择D项。22.What does the underlined sentence prob

58、ably mean?A.You shall get money if you surf the Internet.B.You have to go on the Internet in the work-shops.C.You can use the Internet free in many of the rooms.D.You have to pay some money to go on the Internet.【答案】C【解析】句意理解题。第二则广告中画线句子表示单间公寓有无线网作为报酬，这里表示的是租了这个单间公寓能给你带来的报酬，因此选C项。23.According to the

59、 text，if youre tired of hotels in the summer，you can _.A.choose a cottage room for a changeB.build an apartment in Moon IslandC.buy a furnished house in Costa RicaD.share a studio close to the city center【答案】A【解析】推理判断题。题干中提到在夏季厌倦了旅馆，只有第二则广告提到这些信息，根据第二则广告中的“In the summer，you can visit our cottage stu

60、dios as an affordable alternative to a hotel.”可知选A项。BCheerleading (拉拉队) dates back to the late 19th century, when crowds began to chant and yell to encourage their teams. Credit for the first organized cheer was given to a University of Minnesota student named Johnny Campbell, who got the students t

61、o shout “Rah, rah, rah! Skuumar, Hoorah! Hoorah! Varsity! Varsity! Varsity, Minnesota！” for their football team in the 1898 season. Soon after, a yellleader group of six male students was organized, a practice that became popular at numerous other universities.For the first few decades of its histor

62、y cheerleading was an allmale activity, but by the 1920s, women began to take part in the activity as well. Nowadays more than 90% of Americas cheerleading participants are female.In 1948, Lawrence Herkimer, a former Southern Methodist University cheerleader formed the National Cheerleaders Associat

63、ion (NCA). Herkimer is credited with creating many of cheerleadings fundamental moves. Cheerleading remained in its supporting role until the 1980s, when cheerleading competitions, organized by the National Cheerleaders Association and other groups, started to grow in popularity. For the first time,

64、 teams got off the sidelines and took centre stage, competing with teams from all over the US.Today cheerleaders can be found at almost any kind of sporting event, including the Olympics and the Cricket World Cup. The sport has spread from the U. S. to many other countries, like Mexico.【语篇解读】本文是一篇说明

65、文，简单介绍了拉拉队的发展历史。24Which of the following is TRUE to the first organized cheer?AIt started in the early 19th century.BIt made crowds around the school chant and yell to encourage their teams.CIt had the students shout certain words for their football team.DIt got a group of six male students to shout

66、 for their football team.【答案】C【解析】细节理解题。第一段第二句提到，第一次有组织的加油要归功于明尼苏达大学的学生强尼坎伯，在1898年赛季他让学生(而非学校周围的人或者六个男学生)喊口号为他们的足球队助威，故C正确。25At the early years of the cheerleading history _ took part in the activity.Aonly men Bonly girlsCboth males and females Dboth youths and adults【答案】A【解析】细节理解题。第二段第一句提到，在拉拉队出现的早

67、期，拉拉队的活动全是男性参加，而到了20世纪20年代才有了女性参加。26. After the 1980s, teams of cheerleading _.Aplayed their part on the sidelines Bcould play their part on the centre stageCstayed the same as they were before Dwere completely different from what they were before【答案】B【解析】细节理解题。根据第四段的内容可知，20世纪80年代之后，拉拉队离开场外区域，进入了场区的

68、中心位置，并且和来自全美的其他队伍竞争。故B项正确。27The best title for this passage may be “_”APeople who started cheerleading BHow cheerleading was startedCWhat cheerleading means DA brief history of cheerleading【答案】D【解析】标题归纳题。通读全文可知，文章主要讲述了拉拉队的发展历史。故D项做文章标题最佳。二、应用文写作 近日，你们学校食堂准备推出小份菜(smaller dishes)。请你代表校学生会用英语写封倡议书，内容包括

69、： 1.简要描述小份菜； 2.小份菜的意义(不少于两点)； 3.号召大家响应。 参考词汇：thrift n.节约注意： 1.词数80左右； 2.可以适当增加细节，以使行文连贯。Dear fellow students,_Students Union【答案】Dear fellow students, Our school canteen plans to serve smaller dishes. Instead of a full plate of food, you are inspired to take smaller dishes when ordering your meals. C

70、onsidering the critical food shortages, serving half-portioned dishes is necessary and meaningful. Not only does it curb the unnecessary waste but it helps advocate the practice of being thrifty. So good is the virtue that it deserves promotion. Welcome to take an active part. Remember small acts can make a big difference!Students Union