1、Section AWelcome to the unit&Reading1.affect be affected with 感染be greatly/deeply affected by（感情上）被极大地/深深地影响/触动练习：The tornado(龙卷风)happened in 1925,_(affect)three states of the US.affecting2.identifyidentifyas 认出/证明/说明是identify sth with sb/sth将某物等同于另一人/物；认为某物与某人/某物有密切关联identify with sb/sth 认同某人/某物；和某
2、人/某物有同感identification n.身份证明（ID）；识别；鉴定 练习：The woman who was on passport control asked me if I had any further _(identify).identification3.meansby all means一定；当然可以by means of借助手段；依靠方法by no means一点都不；决不（放在句首时，句子要倒装）have the means to do sth.有钱做某事练习：I dont have the means _(pay)for further education.to p
3、ay4.pacethe pace of.的速度keep pace with sth/sb与某物/某人步伐一致，并驾齐驱at a.pace 以的速度练习：Hed only gone a few _(pace)before he stopped again.paces5.prohibitprohibit sb/sth from doing sth 禁止某人/某物做某事；阻止某人/某物做某事prohibit(sb)doing sth 禁止（某人）做某事prohibition n.(尤指通过法律的）禁止，阻止；禁令练习：The environmental group is demanding a co
4、mplete _(prohibit)against the hunting of whales.prohibition6.debatedebate(sth)with sb 与某人辩论/讨论（某事）under debate 正在讨论中have a lively/heated/fierce/violent debate(about/on/over sth)（就某事）进行激烈的辩论be open to debate 有待商榷练习：The bill is still _ debate,but its more likely to be vetoed(否决).under7.doubthave(ones/
5、some)doubts 有疑问，有怀疑no/without/beyond doubt无疑；很可能；确实be in doubt不肯定的；没把握的There is no doubt that 毫无疑问There is some doubt about/whether 对（是否）有一些疑问/不确定doubt whether/if 怀疑是否 doubt that.怀疑练习：There is some doubt _ the concert will be held as the company intends to redecorate the stadium next week.thatOption
6、 1Yes,I would like to be a medical professional.Medical professionals often have very specialized career fields,such as being a dentist,surgeon or chemist.These fields help people live healthy lives by curing their diseases and even sometimes saving them from death.For this reason,I believe that as
7、a medical professional,I could contribute to society in an important way.Option 2No,I would not want to be a medical professional.Working in that field is very challenging and requires someone who could cope with the constant pressure of worrying about whether they have made the correct decisions.De
8、ciding suitable treatments may not always deliver the results that either the patient or the doctor has hoped for.So,even though I know that I can act responsibly,I dont think I could handle the pressure.The first time I went to see a dentist,I was very scared.As I sat in the big chair under the bri
9、ght lights,I was sure the dentist would do something to me that really hurt.When she asked me to open my mouth,I said no!Eventually,she managed to look at my teeth and check them.They werent perfect,but I didnt need to have any work done on them.Phew!What advances in medical science have you heard a
10、bout?I have heard about three-D printing that is used for printing parts of the body to replace those that are lost or injured beyond repair.For example,a leg or ear can be three-D printed to the precise measurements of the patient.Precision medicine is another medical advance I know about.This heal
11、th care approach takes into consideration patients genes,lifestyles and environments to find unique risk factors and develop personalized therapies.Both of these medical advances are incredible because they are tailor-made and therefore provide accurate and effective treatments for the patients.What
12、 do you know about genes?I know that genes are found in the cells of all living things.Genes are very small and carry the DNA information which decides what we become.All living organisms have different genes;therefore,no two individuals are 100%alike,even though there may be similarities.At the DNA
13、 level,not even identical twins are the same.Scientists are studying genes to help prevent health problems from being passed on from parents to their children.They are also trying to find ways to treat diseases that are caused by bad genes.Genes play a critical role in shaping our lives.Genome editi
14、ng can help with disease treatment and prevention.Many people are concerned about how to use genome editing appropriately.Despite the public argument,genome editing is one of the greatest inventions in the history of science.What information does our personal genome carry?Our own personal genome car
15、ries 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.How can geneticists make changes to the genome?Geneticists can make changes to the genome,correcting,adding,deleting or r
16、eplacing specific parts of the genetic material.How might genome editing make it possible to prevent diseases from developing?By correcting abnormal genes early on.What is a designer baby?We will be able to select specific characteristics for children before they are born,creating what some have cal
17、led designer babies.What does the lecturer compare uncontrolled genome editing to?A car out of control.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 the table below.SuffixesMeaningsWords-(t)ics/-(o)lo
18、gythe study of a subjectgenetics,statistics,economics,linguistics,sociology,climatology-(t)ic/-alrelated togenetic,economic,linguistic,mathematical,political,musical-ist/-iana person who studies a subjectgeneticist,physicist,mathematician,statistician,politician,musician(1)How does the lecturer feel
19、 about genome editing?Find evidence from the lecture transcript to support your opinion.The lecturer feels very excited about genome editing.He describes it as the most game-changing among the many wonderful scientific developments and one of the greatest inventions in the history of science.However
20、,the lecturer is also concerned that this technology might not be used appropriately.He lists a few moral issues before warning that we need to put appropriate controls in place to prevent genome editing from running wild and make sure it will work to our advantage.2.The lecturer mentions that one d
21、ay we will be able to create designer babies.What do you think of designer babies?I do not think we should design babies unless it is because of serious physical or mental health concerns.There is no need to design a baby if its parents are perfectly healthy.Natural gene selection ensures diversity
22、among our species,so if designer babies become the norm,the diversity level will drop.Over time,this could lead to the majority of people being born with similar intelligence levels,similar physical features and perhaps,even similar personalities.Humans could evolve into super beings,which some peop
23、le may believe to be good for us,but interfering with our natural evolution could result in disaster.I do not think we should take the chance.3.What controls can we put in place to make sure that genome editing will work to our advantage?Governments around the world should work together to make laws
24、 and regulations about when genome editing can and cannot be used.First,these laws and regulations should cover various aspects of genome editing,such as ethical issues and security,and they may have to be introduced at multiple levelsglobal,national and even regional.Second,genome editing equipment
25、 needs to be strictly controlled so that it does not get into the wrong hands.Finally,governments,scientists,stakeholders and the public need to work together to enforce appropriate usage of genome editing.The application of these laws and regulations regarding genome editing will only be successful if all parties concerned cooperate.
