1、Unit 1Great scientistsSection Warming Up&ReadingPreparing自学导引新知初探Step One：Words and Phrases.词汇知识1_(n.)特性，特征2_(vt.&vi.)结束，推断出3_(vt.)分析4_(vt.)打败；战胜；使受挫(n.)失败5_(adj.)熟练的，经验或知识丰富的(n.)专家，行家characteristicconcludeanalysedefeatexpert6_(vt.)照顾，护理；出席，参加7_(n.)医生，内科医师8_(vt.)暴露，揭露；使曝光9_(n.)治愈，痊愈(vt.)治愈，治疗10_(n.)
2、挑战(vt.)向挑战11_(vt.)吸收；吸引；使专心12_(vt.)怀疑，认为(n.)被怀疑者，嫌疑犯attendphysicianexposecurechallengeabsorbsuspect13_(adj.)严重的，剧烈的，严厉的14_(vt.)预见，预知15_(vt.)责备，谴责(n.)过失,责备16handle (n.)_(vt.)处理，操纵17link(vt.&n)_18announce(vt.)_19instruct(vt.)_20pollute(vt.)_severeforeseeblame柄，把手连接，联系宣布，通告命令，指示，教导污染，弄脏.重点短语1_ 提出2_得出结论
3、3_使显露：暴露4_将和联系或连接起来5challenge sb.to do sth._6be absorbed into._put forwarddraw a conclusionexpose.to.link.to.挑战某人干某事沉浸于7be to blame _8suspect sb.of sth._9be expert in._10attend school _应受责备怀疑某人做某事在某方面很专业上学Step Two：Fast ReadingScan the text and choose the best answer according to the text.()1What doe
4、s the passage mainly talk about?AJohn Snow was a famous doctor in London.BThe reason that caused the deadly disease cholera.CJohn Snow solved the problem of cholera.DCholera is still a seriously deadly disease.C2What was the original source of disease of“King Cholera”？()AA cloud of dangerous gas.BTh
5、e spreading of virus among people.CWater in a certain pump in London.DA river polluted by the dirty water.D3Why did No.21 Broad Street in London have no death?()AThe people just drank the water from the pump.BThey drank beer as well as water from the pump.CThey didnt absorb the dangerous air.DThey s
6、uffered no germs at all.D4Which of the two theories that John Snow was interested in was true finally?()ABoth.BThe first one.CThe second one.DNeither.D5What do you think the Londoners would do with the unused pumps after defeating“King Cholera”？()AThey would destroy them.BThey would reuse them after
7、 cleaning.CThey would desert them for good.DThey would go on to use them without cleaning.BStep Three：Careful Reading.Read the reading material quickly and then answer the following questions.1 Why couldnt the cholera be under control at first?答案：_ Neither its cause，nor its curewas understood.2Which
8、 theory did John Snow believe in?答案：_3John Snow finally proved the theory he believed by _.答案：(1)_ People absorbed cholera into theirbodies with their meals.gathering information with thehelp of amap(2)_(3)_ Looking into the source of the waterfor Broad Street and Cambridge Street Separatingthose wh
9、o sufferedcholerafrom those who didnt4To prevent the cholera from spreading again，what did John Snow do?答案：(1)_(2)_(3)_ He suggested that the source ofall water supplies be examined.He suggested that new methods ofdealing with polluted water be found.He instructed the water companies not to expose p
10、eople to the polluted water any more.Let the students listen to the tape and fill in the blanks.Facts aboutJohn SnowJohn Snow was a famous doctor in 1._ and once attended Queen Victoria as her 2._.He suspected that people absorbed this disease into their bodies with their 3._before finding out the e
11、xact cause of cholera.Through a series of study he found 4._ was to blame for the spread of cholera and it was spread by 5._.Londonpersonal physicianmealsthe polluted watergermsFacts aboutcholeraCholera was the most deadly disease at that time and 6._people died when it broke out.There were 7._theor
12、ies that could explain how cholera killed people before John Snow came to know the truth.Many deaths had been found near 8._ in Broad Street.many thousands oftwothe water pumpStep Four：ConsolidationJohn Snowa doctor，1._Queen Victoria as her personal 2._.But he was willing to help ordinary people 3._
13、cholera.Many people died 4._there was an 5._.He wanted to face the 6._ and solve the problem.Two theories caught his attention.The first suggested that choleraattendedphysicianexposed toevery timeoutbreakchallengemultiplied in the air.The second suggested that people 7._ this disease into their bodi
14、es and the disease 8._thebody.John Snow 9._ the second was right but he needed evidence.When another outbreak hit London in 1854，he was ready to begin his 10._and tried to get information.He found that most of theabsorbedattackedsuspectedenquirydeaths were near a water pump and the spread of the dis
15、ease was 11._ water.With the evidence，he was able to 12._that polluted water carried the virus.After that,he suggested the source of all the water supplies 13._.Finally“King Cholera”was 14._.linked toannouncebe examined defeatedStep Five：DiscussionCholera was a 19th century disease.What disease do y
16、ou think is similar to cholera today？Why？What should we do?_答案：AIDS and H1N1 are similar to cholera today.Because they are serious，have an unknown cause and need public health care to solve them.We should wash hands with soap and clean water.We should form the good habit of going to bed early and getting up early.We should do more physical exercise.Wed better avoid going to crowded places，for example，Net bars and so on.本部分内容讲解结束按ESC键退出全屏播放
