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Unit 1 Great scientists,Section Ⅰ Warming Up & Reading—Preparing,?Step One：Words and Phrases Ⅰ.詞匯知識 1．_______________ (n.) 特性，特征 2．___________ (vt. & vi.) 結(jié)束，推斷出 3．___________ (vt.) 分析 4．________ (vt.) 打??；戰(zhàn)勝；使受挫 (n.)失敗 5．_________ (adj.) 熟練的，經(jīng)驗或知識豐富的 (n.)專家，行家,characteristic,conclude,analyse,defeat,expert,6．________ (vt.) 照顧，護理；出席，參加 7．___________ (n.) 醫(yī)生，內(nèi)科醫(yī)師 8．___________ (vt.) 暴露，揭露；使曝光 9．_______ (n.) 治愈，痊愈 (vt.)治愈，治療 10．___________ (n.) 挑戰(zhàn) (vt.)向……挑戰(zhàn) 11．__________ (vt.) 吸收； 吸引；使專心 12．___________ (vt.) 懷疑，認為 (n.)被懷疑者，嫌疑犯,attend,physician,expose,cure,challenge,absorb,suspect,13．_______ (adj.) 嚴重的，劇烈的，嚴厲的 14．___________ (vt.) 預(yù)見，預(yù)知 15．________ (vt.) 責(zé)備，譴責(zé) (n.)過失,責(zé)備 16．handle (n.) ___________ (vt.)處理，操縱 17．link (vt. & n．) ___________ 18．a(chǎn)nnounce(vt.) ___________ 19．instruct (vt.) _________________ 20．pollute (vt.) ___________,severe,foresee,blame,柄，把手,連接，聯(lián)系,宣布，通告,命令，指示，教導(dǎo),污染，弄臟,Ⅱ.重點短語 1．___________ 提出 2．___________________得出結(jié)論 3．____________使顯露：暴露 4．___________將……和……聯(lián)系或連接起來 5．challenge sb.to do sth. _______________ 6．be absorbed into. ______________,put forward,draw a conclusion,expose.to.,link.to.,挑戰(zhàn)某人干某事,沉浸于……,7．be to blame ___________ 8．suspect sb.of sth. ________________ 9．be expert in. ___________________ 10．a(chǎn)ttend school ___________,應(yīng)受責(zé)備,懷疑某人做某事,在某方面很專業(yè),上學(xué),?Step Two：Fast Reading Scan the text and choose the best answer according to the text.( ) 1．What does the passage mainly talk about? A．John Snow was a famous doctor in London. B．The reason that caused the deadly disease cholera. C．John Snow solved the problem of cholera. D．Cholera is still a seriously deadly disease.,C,2．What was the original source of disease of “King Cholera”？( ) A．A cloud of dangerous gas. B．The spreading of virus among people. C．Water in a certain pump in London. D．A river polluted by the dirty water.,D,3．Why did No.21 Broad Street in London have no death? ( ) A．The people just drank the water from the pump. B．They drank beer as well as water from the pump. C．They didn’t absorb the dangerous air. D．They suffered no germs at all.,D,4．Which of the two theories that John Snow was interested in was true finally? ( ) A．Both. B．The first one. C．The second one. D．Neither.,D,5．What do you think the Londoners would do with the unused pumps after defeating “King Cholera”？( ) A．They would destroy them. B．They would reuse them after cleaning. C．They would desert them for good. D．They would go on to use them without cleaning.,B,?Step Three：Careful Reading Ⅰ.Read the reading material quickly and then answer the following questions. 1．Why couldn’t the cholera be under control at first? 答案：________________________________ __________________________,Neither its cause，nor its cure was understood.,2．Which theory did John Snow believe in? 答案：__________________________________ _______________________ 3．John Snow finally proved the theory he believed by ________. 答案：(1)________________________________ _______________,People absorbed cholera into their bodies with their meals.,gathering information with the help of amap,(2) ____________________________________ ____________________________________ (3)_________________________________________________________________________,Looking into the source of the water for Broad Street and Cambridge Street,Separatingthose who suffered cholerafrom those who didn’t,4．To prevent the cholera from spreading again，what did John Snow do? 答案：(1)______________________________ _______________________________ (2)__________________________________________________________________________ (3)__________________________________________________________________________,He suggested that the source of all water supplies be examined.,He suggested that new methods of dealing with polluted water be found.,He instructed the water companies not to expose people to the polluted water any more.,Ⅱ.Let the students listen to the tape and fill in the blanks.,London,personal physician,meals,the polluted water,germs,many thousands of,two,the water pump,?Step Four：Consolidation John Snow—a doctor，1. _________Queen Victoria as her personal 2. _________.But he was willing to help ordinary people 3. ___________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 cholera,attended,physician,exposed to,every time,outbreak,challenge,multiplied in the air.The second suggested that people 7. _____________ this disease into their bodies 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 the,absorbed,attacked,suspected,enquiry,deaths were near a water pump and the spread of the disease 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 to,announce,be examined,defeated,?Step Five：Discussion Cholera was a 19th century disease.What disease do you 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.We’d better avoid going to crowded places，for example，Net bars and so on.,同學(xué)們,來學(xué)校和回家的路上要注意安全,同學(xué)們,來學(xué)校和回家的路上要注意安全,