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1、Unit 1Great scientistscharacteristicradium painter scientificconclude conclusion analysen.特征特征;特性特性n.镭镭n.画家画家;油漆匠油漆匠adj.科学的科学的vt.&vi.结束；结束；推断出推断出n.结论；结束结论；结束vt.分析分析Words previewexpert attend physician exposecure challenge adj.熟练的熟练的;经验丰富的经验丰富的n.专家专家;行家行家vt.照顾照顾;出席出席;参加参加n.医生；内科医师医生；内科医师vt.暴露暴露;揭露揭露;
2、使曝光使曝光n.治愈；痊愈治愈；痊愈vt.治愈；治疗治愈；治疗n.挑战挑战vt.向向挑战挑战Words previewvictimabsorbsuspectenquiry neighbourhood severe pump n.受害者受害者vt.吸收吸收;吸引吸引;使专心使专心vt.怀疑怀疑n.被怀疑者被怀疑者;嫌疑犯嫌疑犯n.询问询问n.附近附近;邻近邻近adj.严重的严重的;严厉的严厉的n.泵泵;抽水机抽水机vt.(用泵用泵)抽抽(水水)Words previewforesee blamepollute handlelinkannounce instructvt.预见预见;预知预知vt.责
3、备责备;谴责谴责n.过失过失;责备责备vt.污染污染;弄脏弄脏 n.柄柄;把手把手vt.处理处理;操纵操纵vt.&n.连接；联系连接；联系vt.宣布宣布;通告通告vt.命令命令;指示指示;教导教导Words previewput forward draw a conclusion提出提出得出结论得出结论Expressions previewexpose to link to 使显露使显露;暴露暴露将将和和联联系或连接起来系或连接起来Expressions preview There are some great scientific achievements that have changed
4、 the world.Match the achievements with the scientists below.Galileo GalileiBenjamin FranklinNewtonAlexander Bell Albert Einsteinthe theory of falling objectslightningthe law of gravitytelephone Scientists Achievementsthe theory of relativityWhat do you know about great scientists?Try this quiz and f
5、ind out who knows the most.1.Which scientist discovered that objects in water are lifted up by a force that helps them float?B.Archimedes C.Thomas EdisonA.Charles DarwinArchimedes(287-212 BC),an ancient Greek mathematician&physicist2.Who wrote a book explaining how animals and plants developed as th
6、e environment changed?A.Marie B.CurieC.Charles DarwinB.Gregor MendelCharles Darwin(1808-1882),British author of The Origin of Species 3.Who invented the first steam engine?A.ThomasB.NewcomenC.Thomas EdisonB.ArchimedesThomas Newcomen(1663-1729),British,improved the first steam pump and turnedit into
7、a steam engine for taking water out of mines in 17124.Who used peas to show how physical characteristics are passed from parents to their children?A.Thomas B.EdisonC.ArchimedesB.Gregor MendelGregor Mendel(1822-1884),Czech,developed ideas on heredity(遗传学遗传学)and inherited(继承继承,承传承传)characteristics5.Wh
8、o discovered radium?C.Marie CurieB.NewtonA.Zhang HengMarie Curie(1867-1934),Polish and French,won two Nobel Prizes6.Who invented the way of giving electricity to everybody in large cities?A.Stephen B.Hawking C.Thomas EdisonB.ArchimedesThomas Edison(1847-1931),American inventorThomas EdisonInventions
9、 of Thomas Edison Phonograph 留声机留声机Light bulbMotion Pictures(电影影)7.Who was the painter that studied dead bodies to improve his painting of people?A.Gregor B.MendelC.Marie CurieB.Leonardo da Vinci Leonardo da Vinci(1452-1519),Italian artistLeonardo da Vincis paintings8.Who invented a lamp to keep min
10、ers safe underground?A.Sir HumphryB.Davy C.FaradayB.Thomas NewcomenSir Humphry Davy(1778-1829),British,discovered the medicinal value of nitrous oxide(一氧化二氮一氧化二氮)as anaesthetic(麻醉剂麻醉剂)9.Who invented the earliest instrument to tell people where earthquakes happened?A.Charles B.DarwinC.Watt B.Zhang He
11、ngZhang Heng(78-139),Chinese,invented the first seismographseismograph地动仪地动仪10.Who put forward a theory about black holes?A.Stephen B.HawkingC.CopernicusB.ArchimedesStephen Hawking(1942-),British scientist,worked in astronomy and studied black holes in spaceThe quotes below are from some famous scie
12、ntists.Do you know their meanings?Imagination is more important thanknowledge.“想象力比知识更重要。想象力比知识更重要。”Albert EinsteinGenius is one percent inspiration and ninety-nine percent perspiration.“天才就是百分之九十九的汗水天才就是百分之九十九的汗水加上百分之一的灵感。加上百分之一的灵感。”Thomas Alva Edison Marie CurieNothing in life is to be feared,it i
13、s only to be understood.“生活中没有什么可怕的东西生活中没有什么可怕的东西,只有只有需要理解的东西。需要理解的东西。”It takes a very unusual mind to undertake analysis of the obvious.Alfred Whitehead“分析明显存在的事物需要非凡的分析明显存在的事物需要非凡的 头脑。头脑。”What makes ascientist successful?strong will，imagination，creativity，patience，persistence，carefulness，curiosity
14、 Do you know how to prove a new idea in scientific research?Discuss in small groups the stages in setting out a new scientific idea.What order would you put them in？Draw a conclusion Think of a method Collect results Make a question Find a problem Analyse the resultsFind supporting evidence1234567Wh
15、at disease spread around the world in 2003?SARSWhat other diseases do you know are similar to SARS today?choleraJOHN SNOW DEFEATS “KING CHOLERA”ReadingAfter reading the passage,match the following stageswith the paragraphs.SkimmingReading Comprehension IStagesDraw a conclusionThink of a methodCollec
16、t resultsMake a questionFind a problemAnalyze the resultsFind supporting evidencePara.Stages in an experiment1234567Find a problemMake a questionThink of a methodCollect resultsAnalyse the resultsDraw a conclusionFind supporting evidenceParagraphs&StagesReading Comprehension Do exercise of Reading C
17、omprehension on Page 3Read the passage and number these events in the order that they happened._1_ John Snow began to test two theories._2_ An outbreak of cholera hit London in 1854._3_ John Snow marked the deaths on a map.ScanningReading Comprehension III_4_ He announced that the water carried the
18、disease._5_ John Snow investigated two streets where the outbreak was very severe._6_ King Cholera was defeated._7_ He found that most of the deaths were near a water pump._8_ He had the handle removed from the water pump.Answer:2 1 4 7 3 8 5 6 John Snow was a well-known _ in London in the _ century
19、.He wanted to find the c_ of cholera in order to d_ it.In 1854 when a cholera _ out,he began to gather information.He m_ on a map where all the dead people had lived and he found that many people who had _ the dirty water Retell the text by filling the following blanks.Quiz Ifrom the p_ died.So he d
20、ecided that the polluted water carried cholera.He suggested that the s_ of all water supply be e_ and new methods of _ with polluted water be found.Finally,“King Cholera”was defeated.John Snow was a well-known _ in London in the _ century.He wanted to find the c_ of cholera in order to d_ it.In 1854
21、 when a cholera _ out,he began to gather information.He m_ on a map where all the dead people had lived and he found that many people who had _ the dirty waterdoctor19thauseefeatbrokearkedAnswerdrunkfrom the p_ died.So he decided that the polluted water carried cholera.He suggested that the s_ of al
22、l water supply be e_ and new methods of _ with polluted water be found.Finally,“King Cholera”was defeated.umpourcexamineddealingWhat should you do if youre travelling to 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 soft drinks with no ice.Discussion Eat only food thats 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.TIPS