1、unit3 fit for lifeWelcome to the unit & Reading (I) 1. _ is known to all, genome editing brings many exciting possibilities to the world. Genes play 2. _ critical role in shaping our lives. Our personal genome carries all the information 3. _ (need) to make us grow and develop. Also it contains info
2、rmation 4. _ helps determine our lifespan and 5. _(affect) our chances of contracting certain diseases. By correcting, deleting or replacing specific parts of the genetic materials, 6. _ (gene) hope to apply the technology of genome editing to help with 7. _ disease treatment and prevention. 8. _, q
3、uestions arise about how to use genome editing 9. _(appropriate). 10. _ the public argument genome editing is one of the greatest innovations in the history of science.Asaneededthataffect geneticistsbothHoweverappropriatelyDespiteLead-infill in the blanks with proper words in the right form1. It als
4、o contains information that helps determine our lifespan and affects our chances of contracting certain diseases. (page 30, lines 10-11)to produce a change in sb/sth affect v. 1. 不幸的家庭环境可能会影响孩子的成长。An unhappy home environment can affect a childs growth.2. At the sight of the moving scene, all the peo
5、ple present were affected to tears. 3. He affected not to see me.Practice= moved= pretended1. Unfortunately he contracted cancer at a very young age. 不幸的是，他年纪轻轻就得了癌症。2. The economy has contracted by 2.5% since last year. 自去年起，经济已经萎缩了2.5个百分点。3. Most of the marriage were contracted when the brides wer
6、e very young. 这些婚约大多数都是在新娘还很小的时候就订下了。Tyler has signed a seven-year contract with a Hollywood studio.泰勒与好莱坞的一家制片厂签订了七年合同。contract v. 感染，订约， 收缩contract n. 契约，合同Practice2. Geneticists have been trying to identify which genes relate to which diseases, as they believe genome editing is an effective means
7、 of disease treatment and prevention. (page 30, line 14)Scientists are trying to identify the relationship between genes and personality.科学家正在试图找到基因与个性之间的联系。identify with sbI believe that most readers will identify with the author.我相信大多数读者会与作者产生共鸣。identify v. 找到；发现；说明身份identity n.身份；特性identification
8、 n. 鉴定，识别认同某人；与某人一致PracticeSuch means are/such a means is unpleasant.这样的方式令人不快。means of transport/communicationby means ofHe came first in the writing competition by means of hard work.通过勤奋努力，他获得了写作比赛的第一名。by no meansBy no means will this method produce satisfactory results.这种方法绝不会产生令人满意的结果。means n.
9、方式，方法；财富，钱财Practice交通方式/交流方法借助，依靠决不3. Soon we may be able to use such treatments to restore a blind persons vision or give someone who was born deaf an excellent sense of hearing. (page 31, line 19)Her friends kindness has restored her faith in friendship.朋友的善良让她对友谊重拾了信心。His visit is expected to lea
10、d to the restoration of diplomatic relations.他的访问预计会导致外交关系的恢复。restore v. 恢复(某种情况或感受)Practicerestoration n. 恢复4. 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 preven
11、tion of disease? Should we prohibit geneticists from using it to enhance healthy bodies? (page 31, lines 25-27)The runner quickened his pace and won the race.at a fast pacekeep pace withSocial media continues to grow at a fast pace.Slow down! I cant keep pace with you.pace n. 发生的速度，街搜；步速；快节奏 v. 来回踱步
12、，走来走去Practice快速跟上，并驾齐驱ariseA new crisis has arisen/come up.新危机出现了。arise from Mental problems can arise from/out of a physical cause.精神问题可能是由生理原因引起的。arise v. 发生，出现；由引起Practicearose arisen= arise out of由引起In future we will restrict class sizes to 20 students.以后我们会把班级规模限定在20人。restrict v. 限制，约束restricti
13、on n. 限制，约束Practiceimpose/place strict/tough/tight restrictions on对实施严格限制prohibit sb from doing sth= ban/forbid sb from doing sthThe law prohibits people from hunting animals in this area.法律禁止人们在该地区狩猎。prohibit v. 禁止；使不可能prohibition n. 禁令；禁止Practice禁止某人做某事5. Philosophers, geneticists and government o
14、fficials have all started to wrestle with such moral issues.This means putting appropriate controls in place to make sure that genome editing will work to our advantage. (page 31, lines 34-36)She helped me solve the problem I had been wrestling with for weeks.他帮我解决了这个我好几个星期都在努力解决的问题。wrestle with 努力处
15、理，全力解决Practice have an important place in take the place of take first place in the first place1. Working _ all our lives.2. I had to find someone to _ Jenny.3. He _ in the long jump.4. All the arrangements _ for the meeting.5. _, I want to extend the warmest welcome to you on behalf of our school.p
16、ut sth in place 准备就绪More expressionsPractice首先获得第一名占据重要位置取代has an important place in take the place of took first placeare put in placeIn the first placeFill in the blanks with phrases above correctly.6. Without doubt, genome editing is one of the greatest innovations in the history of science. (pag
17、e 31, lines 40)1. He is, without doubt, the worlds most powerful geneticist.毫无疑问，他是世界上最有影响力的遗传学家。2. I doubt if/whether itll make any difference.我看未必有用。There is no/little doubt thatThere is no doubt that enough concern must be paid to the problem of air pollution.毫无疑问，我们必须对空气污染问题有足够的重视。without / beyo
18、nd doubt 无疑Practice毫无疑问 This week, a team of scientists based in Switzerland announced the discovery of sixteen genetic markers that relate to human lifespans. (1)_, the discovery is an important finding in the field of genetics. For years, scientists have been working to (2)_ specific genetic marke
19、rs that are connected with a long lifespan. Until recently, only two such markers wee known to the scientific community. Genes play a critical role in overall health. Every (3)_ in the human body contains genetic information. Everything from the ageing process to the development of deadly diseases,
20、such as cancer, is tied to an individuals genetic make-up. However, scientists have long been (4)_ the question about which genetic markers indicate a short or long lifespan. The discovery by the research team may quicken the (5)_ of the study on genes and human lifespans, and eventually help answer
21、 this question. Scientist say that locating these sixteen genetic markers will greatly improve their understanding of how genes (6)_ lifespans. These genetic markers may eventually function as a (7)_ of targeting the specific genes connected with lifespans. This could significantly enhance the chanc
22、es of living to a ripe old age. According to some scientists, it could make a (2)_ change to the future of human life.B1 The news report below is about the discovery of genetic markers that are tied to lifespans. Complete the news report with the correct forms of the words and phrases in the box bel
23、owpace means identify wrestle with cell fundamental affect without doubt This week, a team of scientists based in Switzerland announced the discovery of sixteen genetic markers that relate to human lifespans. (1)_, the discovery is an important finding in the field of genetics. For years, scientists
24、 have been working to (2)_ specific genetic markers that are connected with a long lifespan. Until recently, only two such markers wee known to the scientific community.pace means identify wrestle with cell fundamental affect without doubtB1Without doubtidentify Genes play a critical role in overall
25、 health. Every (3)_ in the human body contains genetic information. Everything from the ageing process to the development of deadly diseases, such as cancer, is tied to an individuals genetic make-up. However, scientists have long been (4)_ the question about which genetic markers indicate a short o
26、r long lifespan. The discovery by the research team may quicken the (5)_ of the study on genes and human lifespans, and eventually help answer this question.B1pace means identify wrestle with cell fundamental affect without doubtcellwrestling withpace Scientist say that locating these sixteen geneti
27、c markers will greatly improve their understanding of how genes (6)_ lifespans. These genetic markers may eventually function as a (7)_ of targeting the specific genes connected with lifespans. This could significantly enhance the chances of living to a ripe old age. According to some scientists, it
28、 could make a (8)_ change to the future of human life.pace means identify wrestle with cell fundamental affect without doubtB1affectmeansfundamental The lecture transcript uses a number of words related to “gene”. Look at the examples, think of more word families with a similar pattern and fill in t
29、he table below.B2 Suffixes Meanings Words-(t)ics / -(o)logy The study of a subject-(t)ic / -alRelated to-ist / -ianA person who studies a subjectgenetics, statistics, economics, linguistics, sociology, climatologygenetic, economic, linguistic, mathematical, political, musicalgeneticist, physicist, m
30、athematician, statistician, politician, musicianThe lecture transcript uses different structures with “as”. Find the sentences in the lecture transcript and use different structures with “as” to join the sentences below.“as” can be used in different structures to express different meanings, such as
31、time and reason. As a linking word, it can make your information better organized.1. You might have heard this before. Some genes make you more likely to develop certain diseases.2. We need to have appropriate controls on genome editing. It can be dangerous.3. New discoveries are being made. Genetic
32、ists gain a better understanding of our genes.Learn thisB31. You might have heard this before. Some genes make you more likely to develop certain diseases.2. We need to have appropriate controls on genome editing. It can be dangerous.3. New discoveries are being made. Geneticists gain a better under
33、standing of our genes.As you might have heard before, some genes make you more likely to develop certain diseases.We need to have appropriate controls on genome editing, as it can be dangerous.As new discoveries are being made, geneticists are gaining a better understanding of our genes.B3Homework1.Review what has been learnt in this period;2. Finish Workbook page A & B.
