1、必修5Before the classYou are supposed to be engaged in the material and in whatever it is that we are discussing in class,not necessarily thinking about getting down every word that I say.Id like you to take active notes rather than passive notes.Write down what can make you feel or learn something.Be
2、tter attention,better understanding of the material if you are actively engaged.Better attention,better understanding of the material if you are actively engaged.You are supposed to be engaged in the material and in whatever it is that we are discussing in class,not necessarily thinking about gettin
3、g down every word that I say.Id like you to take active notes rather than passive notes.Write down what can make you feel or learn something.Great scientistsUnit 1ReviewReviewWords and expressions单词回顾学生早读时已预习过本单元单词，可利用几分钟时间带学生快速回顾温习。对单词的熟练度越高，阅读的速率也越高。Words Reviewdefeatexpertattendphysicianexposedea
4、dlycurevt.打败；战胜；使受挫n.失败adj.熟练的；经验或知识丰富的n.专家；行家vt.照顾；护理；出席；参加n.医生；内科医师vt.暴露；揭露；使曝光adj.致命的n.治愈；痊愈vt.治愈；治疗Words Reviewoutbreakchallengevictimabsorbsuspectenquiryneighbourhoodn.爆发；发作（尤指疾病或战争）n.挑战vt.向挑战n.受害者vt.吸收；吸引；使专心vt.认为；怀疑n.被怀疑者；嫌疑犯n.询问n.附近；邻近Words Reviewseverecluepumpforeseeinvestigateinvestigation
5、blameadj.严重的；剧烈的；严厉的n.线索；提示n.泵；抽水机vt.（用泵）抽（水）vt.预见；预知vt.&vi.调查n.调查vt.责备；谴责n.过失；责备Words Reviewpollutehandlegermlinkannouncecertaintyinstructvt.污染；弄脏n.柄；把手vt.处理；操纵n.微生物；细菌vt.&n.连接；联系vt.宣布；通告n.确信；确实vt.命令；指示；教导expose tolink to 将和联系或连接起来由组成使显露;暴露MatchJOHN SNOW DEFEATS “KING CHOLERA”Reading1.To summarize
6、and remember the main idea of the passage.2.To understand the passage and learn the correct stages about research into a disease.3.To know more about John Snow and his achievements.ObjectivesReading Tips阅读时，可根据阅读任务的不同，综合运用略读(skimming)与扫读(scanning)。提高快速阅读水平。Skimming and scanningSkimming and scanning
7、are two fast reading skills to help to browse text and extract the key points.The skills require practice,but once you have got the hang of them youll find you can get through a substantial amount of reading in quite a short time.These reading methods make it easier for you to grasp large amounts of
8、 material,especially when youre previewing.They are also useful when you dont need to know every word.略读(skimming)只看文章标题、下标题以及每个部分或者段落第一行，关注文章中反复出现的关键词。略读时，要用充足的时间读懂段落的第一句和第二句，因为第一句往往是该段的主题句(topic sentence)，而第二句往往是对前句的延伸(extension)或进一步的解释(explanation)。通过略读把握文章大意运用扫读(scanning)迅速浏览从第三句开始的后面部分,搜寻作者对开头两
9、句的支持句(supporting sentences),并同时注意文章中间是否有转折词(transition),因为这些词常常会把文章的思路逆转或加入其它重要的信息。当读到段落的最后一句时,我们又要使用略读,这时必须再次放慢速度(slow down your pace)直到完全消化作者对段落的小结(conclusion),因为该小结有可能与主题句截然相反或引导读者进入下一个段落。通过扫读寻找特定信息或特定词组a general ideacertain informationtitles and headingsthe first and last sentences of paragraphs
10、the first and last paragraphspictures and chartsScan the text forkey words and phrases,dates,etc.Do not need toread the whole text.Skimming for general ideaAfter reading the passage,match the following stages with the paragraphs.Stages Draw a conclusion Think of a method Collect results Make a quest
11、ion Find a problem Analyze the results Find supporting evidencePara.Stages in an experiment1234567Find a problemMake a questionThink of a methodCollect resultsAnalyse the resultsDraw a conclusionFind supporting evidenceParagraphs&StagesFirst we should find the problem.Next,make a question.Then,think
12、 of a method.We should collect as much information as possible.Analyzing results is the most important stage.Before we make a conclusion,it is necessary for us to find supporting evidence.SummaryWhats the main idea of the passage?A.John Snow was a well-known doctor in London.B.The cause of cholera w
13、as polluted water.C.The source of all drinking water should be examined.D.How John Snow collected,analysed data and found the cause of the disease and defeated the disease.John Snow wanted to use his knowledge to solve cholera.He got interested in two theories.He needed to prove the second theory wa
14、s correct.He found out that dirty water wasthe cause of cholera.Para.1Para.2Para.3Para.4Para.6Para.7Polluted water carried the virus.Finally“King Cholera”was defeated.Para.5 Cholera was spread by germs and not in a cloud of gas.Read the passage to find the main idea of each paragraph.Scanning for sp
15、ecific informationRead the passage and number these events in the order that they happened._ John Snow began to test two theories._ An outbreak of cholera hit London in 1854._ John Snow marked the deaths on a map._ He announced that the water carried the disease.p3 1_ John Snow investigated two stre
16、ets where the outbreak was very severe._ King Cholera was defeated._ He found that most of the deaths were near a water pump._ He had the handle removed from the water pump.Answer:2 1 4 7 3 8 5 6 1.Why couldnt the cholera be controlled2.at first?A.Its speed of spreading was so fast.B.Its cause wasnt
17、 understood C.Its cure wasnt understood.D.Both B.&C.Choose the best answer.另附 word 文档链接2.How many people died in 10 days in two particular streets?A.Less than 500.B.More than 500.C.More than 150.D.Less than 150.3.What made John Snow find the cause of cholera?A.Queen Victorias order.B.His wifes death
18、.C.Strong determination,patience and selfishness.D.Kindness,carefulness and good observation.1 John Snow believed Idea 2 was right.How did he finally prove it?John Snow finally proved his ideabecause he found an outbreak that was clearly related to cholera,collected information and was able to tie c
19、ases outside the area to the polluted water.Answer these questions.p3 22 Do you think John Snow would have solved this problem without the map?Give a reason.No.The map helped John Snow organizehis ideas.He was able to identify those households that had had many deaths and check their water-drinking
20、habits.He identified those houses that had had no deaths and surveyed their drinking habits.The evidence clearly pointed tothe polluted water being the cause.3 Cholera was a 19th century disease.What disease do you think is similar to cholera today?Why?Three diseases,which are similar today,are SARS
21、,AIDS and bird flu,because they are serious,have an unknown cause and need public health care to solve them.Careful reading重难点句式分析1.He knew that cholera would never be controlled until its cause was found.此句用的是not until 句型，只不过句子中没有出现not而用的是表示否定意义的词never。宾语从句他知道，在找到病源前，霍乱疫情是无法控制的。时间状语从句1.我相信他们很快会来。I
22、believe that they will come soon.2.等到你过生日那天再打开它。Dont open it until your birthday.3.你不放我走，我就一直喊叫。I wont stop shouting until you let me go.2.A woman,who had moved away from Broad Street,liked the water from the pump so much that she had it delivered to her house every day.有一位妇女是从宽街搬过来的，她特别喜欢那里的水，每天都要派
23、人从水泵打水运到家里来。非限制性定语从句结果状语从句定语have sth.done让别人做某事1.我们的向导，一个法裔加拿大人，是个极好的厨师。Our guide,who was a French Canadian,was an excellent cook.2.她非常诚实，大家都信任她。She is so honest that everybody trusts her.3.I had that door painted last week.上星期我请人把那扇门漆了。3.To prevent this from happening again,John Snow suggested that
24、 the source of all the water supplies be examined.suggest:建议:suggest(that)somebody(should)doeg:I suggest that we(should)hold a meeting next week.He suggested a meeting be held the next week.为防止这种情况再度发生，约翰斯诺建议所有水源都要经过检测。宾语从句目的状语to stop(sth.)from happening or existing 阻止，防止1.我们要防止这种疾病蔓延。2.想学好英语,老师建议我们
25、利用一切机会说英语。3.我建议我们在作出任何明确而肯定的决定之前先考虑片刻。4.我建议这幅画要让专家仔细核验和研究。We should prevent the disease from spreading.To learn English well,our teacher suggested that we make use of every chance to speak English.I suggest(that)we wait a while before we make any firm decisions.I suggest that it be examined and rese
26、arched by an expert.Discuss the question in groups.Group WorkWhat should you do if youre travellingto a country that has a cholera outbreak?Drink only water that you have boiled.Other safe drinks include tea or coffee made with boiled water,bottled beverages with no ice.Discussion Eat only food that
27、s been thoroughly cooked and is still hot,or fruit that youve peeled yourself.Avoid undercooked or raw fish and shellfish.Avoid raw salads and vegetables.Avoid food and drinks from street vendors.TIPSNow two minutes to test your spelling.1.English-Chinese expert,physician,victim,enquiry,neighbourhoo
28、d,link 2.Chinese-English打败，照顾，暴露，治愈，向挑战，吸收，怀疑，预见，责备，严重的，泵，污染，处理，宣布，指示When finished,exchange your papers to see who does the best.Individual activityJohn Snow was a well-known _ in London in the _ century.He wanted to find the _ of cholera in order to _ it.In 1854 when a cholera _ out,he began to gat
29、her information.He _ on a map where all the dead people had lived and he found that manydoctor19thcausedefeatbrokemarkedI.Complete the passage with proper words,which will help you retell the text.另附 word 文档链接people who had _ the dirty waterfrom the _ died.So he thought that the polluted water carri
30、ed the virus.He suggested that the _ of all the water supplies be _.The water companies were _ not to expose people to polluted water any more.Finally,“King Cholera”was defeated.pumpsourceexaminedinstructeddrunkII.Task-based reading.Put the following steps of scientific research in correct order acc
31、ording to the passage.Put forward a hypothesis Analyze your data and draw a conclusionAsk a question Test your hypothesis by doing experimentsDo background research另附 word 文档链接The steps of the scientific research:1._2._3._4._ _5._ _ Ask a questionDo background researchPut forward a hypothesisTest yo
32、ur hypothesis by doing experimentsAnalyze your data and draw a conclusionThings I can doEvaluationI can talk about some great scientists.5 4 3 2 1I can understand the reading passage.5 4 3 2 1I can express my opinion on how cholera was defeated.5 4 3 2 1I can understand and spell the new words and e
33、xpressions and can use them in new situation.5 4 3 2 1I can understand the sentence patterns and write new sentences with them.5 4 3 2 1I need more practice in _.Think about what weve just learnt today.Study without reflection is a waste of time.After the classIts time to stop the class for us to lo
34、ok back in silence.1.Find more information about John Snow and cholera.expert,physician,absorb,enquiry,severe,foresee,pollute,link to,announce,instruct.2.发挥想象，连词成文(50-100字)。3.Read the articles in page 1 of Learning English.The more you read,the faster and better youll understand.When finished readin
35、g,write a summary in 100 words or so.4.Recite the last two paragraphs.5.Read the following passage and copy it into your notebook.Pay attention to the coloured words.Here is an astonishing and significant fact:Mental work alone cant make us tired.It sounds absurd.But a few years ago,scientists tried
36、 to find out how long the human brain could labor without reaching a stage of fatigue(疲劳).To the amazement of these scientists,they discovered that blood passing through the brain,when it is active,shows no fatigue at all!If we took a drop of blood from a day laborer,we would find it full offatigue
37、toxins(毒素)and fatigue products.But if we took blood from the brain of an Albert Einstein,it would show no fatigue toxins at the end of the day.So far as the brain is concerned,it can work as well and swiftly at the end of eight or even twelve hours of effort as at the beginning.The brain is totally
38、tireless.So what makes us tired?Some scientists declare that most of our fatigue comes from our mental and emotional(情感的)attitudes.One of Englands most outstanding scientists,J.A.Hadfield,says,“The greater part of the fatigue from which we suffer is of mental origin.In fact,fatigue of purely physica
39、l origin is rare.”Dr.Brill,a famous American scientist,goes even further.He declares,“One hundred percent of the fatigue of a sitting worker in good health is due to emotional problems.”What kinds of emotions make sitting workers tired?Joy?Satisfaction?No!A feeling of being bored,anger,anxiety,tenseness,worry,a feeling of not being appreciated-those are the emotions that tire sitting workers.Hard work by itself seldom causes fatigue.We get tired because our emotions produce nervousness in the body.
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