Unit 1 Grammar and usage 导学案-高中英语牛津译林版（2020）选修第二册.docx

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1、 SubjectB9U1 Beware and take care HostCheckerTeachingobjectivesBy the end of this section, students will be able to:1. memorize the key words, phrases and sentences of this part and apply them flexibly;2.improve students comprehensive abilitiesTeaching important and difficult pointsUse the words and

2、 phrases in contexts. Teaching typesNew lessonPeriodsPeriod 2Preparation TimeNov.18Presentation TimeNov.21&Teaching procedures:Activity 1 ：Fill in the blanks of the key sentences according to the context.1.Below is a blog post written by Kevin about a self-medicating experience that put him at risk.

3、 （一次自己用药的经历让他处于危险中）medicate给. .用药Additionally,these particular medications were damaging an already damaged liver.self-medicate( v ) ; self-medication (n)2 .However,I wish I had paid closer attention to (密切关注)this and taken good care of my body.3. I woke up one morning with a bad backache (严重的背疼)and

4、 I assumed that it was because I had pulled a muscle in my back (背上肌肉拉伤)when playing basketball the day before.4. Rather than do the sensible thing （没有去做一些明智的事情）of going to see a doctor,I searched the Internet for suitable painkillers and ordered some online. sensible（adv.）sensibly5. For one thing,I

5、 was too lazy to drag myself to the hospital（拖着自己去医院）so I end up making myself seriously ill.(使我自己病得严重)6 .After taking the painkillers for a few days,I began to lose my appetite （失去了我的胃口）and feel tired. 7. Not only did my back pain get worse, but I also started having a stomach ache.8. Then it turne

6、d out that my back pain had nothing to do with a muscle strain.（与肌肉劳损无关）9 .On the contrary,it was caused by a serious liver infection.（肝脏感染)10.As I learnt later from my doctor,I had taken too many painkillers,which were irritating the lining of my stomach.(刺激胃内壁）irritate vt. 刺激；使烦恼irritatingadj.I fo

7、und her extremely irritating.我觉得她极其令人恼火。an irritating habit恼人的习惯an irritating cough/rash令人痛苦的咳嗽 / 皮疹irritatinglyadv .irritation n a skin irritation皮肤发炎11 .In the end,I made a full recovery（完全恢复）,but it was a costly(cost) and painful learning experience.12.I learnt the hard way(经历挫折才懂得)that when it c

8、omes to our own health,we should seek professional medical advice(寻求专业建议） at the first sign of trouble.13 .Remember.our body is our most priceless possession.（我们无价的财产）14.we often do a quick search online and reach for medicines such as cough mixture and headache tablets without a second thought.（立即，

9、马上）15.As symptoms of different illnesses can be very similar in the initial stages,（在初始阶段）a non-professional may misdiagnose an illness（误诊疾病）16.Moreover ,you are likely to take an inaccurate(accurate) dose of medicine.17.Self-medication could have disastrous (disaster) consequences and may also lead

10、 to delays (delay) in seeking medical advice when it is most needed.18.To avoid the trap of self-medicating,it is absolutely (absolute)essential to go to hospital and have yourself examined (examine) by a doctor with professional skills and specialist equipment.19 Once a professional diagnosis has b

11、een made,you may be prescribed a course of treatment.(一旦做出专业诊断，您可能会被开一个疗程的处方)diagnose-diagnosis misdiagnosea course of 一系列的；一疗程的20.There are any dangerous interactions (interact) with other drugs or with certain foods.21.Although the amount of information that you need to keep track of (记录)might sou

12、nd excessive(过分的；过度的),not following a course of treatment properly may result in the illness coming back even more strongly,or lead to other health conditionsexcess n 过量 过度 过分 exceed vt 超过 超越 22. I am sure we all know that prevention is better than cure.（预防胜于治疗）Integrated skillsPart A1. in total 总共

13、2.QR code fraud二维码欺诈3.fake QR codes假二维码 4.stay alert保持警觉5.make a payment支付 6.confirm the payment 确定支付7.install and register the National Anti-fraud Center app安装和注册国家反诈中心应用软件Part B1. It was estimated that as of January 2021,there were 6 billion active Internet users globally,representing almost 6%of

14、the worlds population.2. The Internet has,in a relatively(relative) short span of time,completely (complete)revolutionized how we communicate with each other,exchange information and conduct business. lifespan 寿命 3.Unfortunately,due to its wide reach and relative privacy(private),the Internet has be

15、come very attractive to criminals. (crime)4.Phishing(网络钓鱼) is one of the most common types of cybercrime.5.When clicking on links to dangerous websites or software,you may be fooled into(被骗) providing personal information such as passwords,usernames or financial details.6.Malware(恶意软件) ,another form

16、 of cybercrime,can cause damage or gain illegal access to a computer or network.(获得非法途径进入网络)7. Cybercriminals trick you into parting with your money,骗你交出钱infecting your computer with a virus to steal your personal data,or blocking you from accessing your own data until a ransom is paid.8. For exampl

17、e,in2021,a computer manufacturer suffered a ransomware (勒索软件) attack.9.Cybercriminals took advantage of (利用）a weakness in a server,accessed the companys files and demanded a large sum of money.10. Fortunately,you can take preventive measures to reduce your chances of falling victim to such cybercrim

18、es(采取预防性的措施去减少成为网络受害者的可能性)11. To avoid getting taken in(避免被骗),be cautious about advertisements offering bargains and rewards that seem too good to be true.12.And,of course,do not open email attachments(附件) or click on links from unknown sources,no matter how curious you might be!13.Secondly,you can

19、turn to technical defence（求助于技术防护）and turn on your spam blocker（打开电子邮件垃圾阻挡器） to prevent unwanted messages from getting to your inbox.14. Make sure you have reliable antivirus software（有可靠的反病毒软件） and always keep it turned on.15. It is also a good idea to keep your software and operating system up to

20、date by downloading and installing the latest security patches.（下载和安装最新的安全补丁）16.So,next time you go online,never drop your guard(放松警惕.)Next time, every time ,each time , the moment, the instant, the first time, the last time 引导的时间状语从句Each time（每次） he came to Nanjing, I would treat him to a meal.Acti

21、vity 2: Do some exercise一、 阅读理解 AHeading soccer balls seems to take greater injuries on women than on men, according to a new study which focused on the brains of soccer players. Head knocks can really hurt the brain. Female athletes tend to suffer more brain damage than males do after injuries, the

22、 study points out. But until now, no one had directly compared damage in men and women after heading balls. Michael Lipton, a brain-imaging expert at the Albert Einstein College of Medicine in NewYork City, led the research. He noted, “Its important to figure out how males and females might be diffe

23、rent after brain injury. Hopefully, determining how the sexes differ after brain damage will help choose better treatments for each.”Researchers chose 98 soccer players from amateur teams. The players estimated how often they had headed a ball in the past year. The average headers among men were 487

24、 while women 469. The researchers then studied the brain scans of each player looking for signs of damage. They used a special type of scan to highlight changes in the brains white matter. White matter is made up of fibers (纤维), which carry electrical signals from nerve cells in one part of the brai

25、n to those in another. So damage to white matter affects how well the brain works. The scans turned up more widespread brain damage in the female players. In women, eight regions showed potential damage linked to frequent headers. In men, only three regions did. The brain changes studied here werent

26、 big enough to cause brain damage. But repeated blows to the brain can contribute to memory loss, depression and other problems. One bigger concern is CTE, which can lead to confusion, trouble remembering things and emotional outbursts. Researchers dont know why womens brains appear at greater risk.

27、 Differences in their heads and necks may play a role. So might genetics and hormones.1What does the new study focus on?AComparison of brain damage between sexes.BCauses of brain injuries among players.CFunctions of white matter in our brain.DEffect of repeated blows on athletes.2Why did Michael Lip

28、tons team carry out the study?ATo find out the differences between men and women.BTo contribute to treatments for brain injury.CTo prevent soccer players from getting hurt.DTo make a breakthrough in soccer skill study.3How was the research carried out?ABy interviewing soccer players.BBy studying the

29、 brain scans.CBy using a computer model.DBy referring to former studies.4What can be learned from the last paragraph?AIt is hard to identify brain damage.BThe study proves to be a total failure.CReasons for brain damage remains unclear.DMental problems cause physical differences.BMost people have no

30、 idea what to do with their old drugs. Unused or expired(到期的) medicines lying around at home can get into the wrong hands, leading to accidental poisoning or drug overdose. When drugs are flushed or sent to landfill, the medicines can pollute our groundwater, rivers, and streams, threatening human a

31、nd sea life. In an effort to find a solution for drugs kept in medicine boxes or waterways, the U. S. Drug Enforcement Administration launched its first National Take-Back Day in September 2010. In the drug take-back program, the returned drugs are sent to medical waste incinerators(焚烧炉). However, t

32、he process of transporting and burning such waste can release greenhouse gas emissions that could be potentially greater than those generated if the drugs were poured into landfills. “But take-back programs are preferred as they reduce the risk of drug misuse and the incineration effectively elimina

33、tes the entrance of these medicines into our nations waters,” says Tim Carroll, a spokesperson for the U. S. Environmental Protection Agency. Perhaps surprisingly, not all unused medicines need to be thrown away. Every year five billion dollars worth of unexpired medicines end up being deserted in t

34、he U. S. “Were wasting a lot of medicines which are already paid for,” says Anandi Law, a patient engagement specialist. “Millions of U. S. adults skip or delay getting their prescriptions filled due to high costs. We could give them to somebody else who needs it.”Now, at least 40 states have passed

35、 legislation establishing drug donation programs that allow drug manufacturers, medical and long-term care facilities, and sometimes individuals to donate their unused drugs. For example, since its start in 2007, Iowas program, SafeNetRx, has served more than 117,000 patients and redistributed nearl

36、y 54-million-dollar worth of medicines and supplies. Georgias program formally launched in 2018, and it has already filled prescriptions worth over 50 million dollars. “All of these efforts are still relatively new,” Carroll says. “We still have a long way to go until households change their habits.

37、 ”5What disadvantage of the drug take-back program is mentioned in paragraph 2?AIt costs large amounts of money.BIt increases the greenhouse effect.CIt can produce poisonous chemicals.DIt wastes lots of money to deal with old drugs.6What is Tim Carrolls attitude towards the take-back program?ACautio

38、us.BIndifferent.CSupportive. DDisapproving.7According to Anandi Law, how can unused and unexpired medicines be dealt with?ASending them to landfills.BSelling them at a low price.CDonating them to someone in need.DDeveloping technologies to recycle them.8What do the numbers in paragraph 5 mainly indi

39、cate?AThe challenging task of SafeNetRx.BThe expense of recycling unused drugs.CThe significance of health care facilities.DThe achievements of drug donation programs.二、七选五The United States has announced a plan to fight the quickly growing threat from cyber（网络）spies and Internet attackers known as h

40、ackers.Americas Attorney General (司法部长) Eric Holder recently said that ever-improving technology is making it easier for people and countries to strike at the United States. Mr. Holder said the Justice Department is fighting back aggressively. He said it is working with various states and government

41、 agencies. _9_.And the attorney general called for increased co-operation with private companies. _10_. He said: “A single trade secret can be worth millionsor even billionsof dollars. Trade secret theft can require companies to lay off employees, close factories, to lose sales and profits, to exper

42、ience a decline in competitive position and advantage, or even to go out of business.”_11_, aiming to protect Americas interests and benefits.The plan was announced the day after the American information security company Mandiant published the findings of its investigation of cyber-attacks. _12_. Th

43、e victims of cyber attack include some of the biggest private companies in the United States like Apple Computer, Facebook, Coca Cola and many others. _13_. The attack areas range from satellites, information technology, telecommunications, aerospace, public administration to scientific research acr

44、oss the United States.AThe new plan also calls for fines and trade actions against crimes committed by individuals and countriesBCyber theft also leads to much harm to companies and countries in AsiaCThey together investigate (调查) cyber theft and cybercrime and share the informationDThe hackers are

45、also reported to have struck federal (联邦) and international agenciesEThey show that more than 140 companies have been attacked since 2006FSimilar investigation of cyber-attacks is being carrying on by other countries like ChinaGHe described the importance of keeping trade secrets a secret三、用单词的适当形式完

46、成短文阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。Late last night 38-year-old David Klein was sent to prison for cybercrime. Over the course of a few months, Klein had cheated dozens of _14_ （youth）out of their money over the Internet. One of the victims was 15-year-old Todd Jones of Washington, DCIn a chat room,

47、Todd started talking to someone _15_ （say） he was a 13-year-old middle school student in Texas named Josh. For several weeks, they chatted online about their hobbies and schools. “He seemed _16_ a great guy,” said Todd.Then Josh started telling Todd about his family. He said that his father had lost

48、 his job and his grandmother was very ill and there was no money _17_ （pay） for the treatment and medicine she needed. He was worried that he would have to get a part-time job to help his family pay bills. He wondered if Todd could help. “I felt really sorry for him,” explained Todd. “ _18_ （want） to help my new friend, I agreed to send him some money. I really thought I was doing a good thing.” Josh gave Todd his account and