必修5 Unit 1 Great scientists 导学案教学目标:能力目标(Ability aim)1.To activate the students’ knowledge about great scientists in the world and their achievements.2 .To get the students understand the spirit of science.3.To enable students to communicate with each other and improve students’ language expression ability.语言目标(Language aim)1. Important words: engine, characteristic, radium, enthusiastic, cautious, spin, instruct, attend, cure, severe, reject.2.Important sentences:be absorbed in, expose to ,face the challenge ,gather information ,be determined to ,the cause of ,look into ,slow down ,supporting evidence ,die of ,draw a conclusion , In addition, link to , absorb into , to blame, handle from, lead to, make sense,自主学习一 Review the following words and phrases(翻译)1 try this quiz____________ 9 mark____________________2 discover________________ 10 attack___________________3 lift up_________________ 11 evidence_______________4 invent__________________ 12 hit________________5 instrument____________ 13 be determined to____________6 become inspired_________________ 14 source___________________7 terrify_________________ 15 deliver__________________8 multiply_______________ 16 prevent … from…_______二Important words(重点词汇)1.______________vt.&vi. 结束;推断出→________________n.2.______________vt.&n. 打败,战胜;失败→______________(同义词)3.______________vt. 照顾,护理;出席,参加4.______________vt. 暴露;揭露5.______________vt.&n. 向----挑战6.______________vt.&n. 治愈,治疗;痊愈7.______________vt. 吸收;吸引;使专心8.______________adj. 致命的;完全的;充满仇恨的;如死一样的9.______________ vt. 怀疑→__________adj 怀疑的-→___________n.嫌疑犯10_____________vt. 污染,弄脏→____________n.﹝u﹞污染11_____________vt.&n. 责备,谴责12_____________vt. 宣布;通告→_______________n. 宣布13_____________vt.&vi. 捐献,捐助;贡献→_______________n.捐献,贡献14_____________vt. 命令;指示;教导→____________n.命令;指示→__________n. 指南;使用说明15__________n.&vt. 把手;处理三Important phrases(重点短语)1.提出_______________ 8.be absorbed in_____________2得出结论__________________ 9.be to blame _______________ 3分析结果______________________ 10.link...to_________________ 4找支持性证据____________ 11.set out _________________ 5照料;对付____________________6使显露;暴露 ______________7治愈某人的…,改掉某人的…__________________合作探究四. Warming Up 、Pre-reading&Reading1. Do you know some great scientists? Finish the quiz in Warming UP(请自己完成热身部分的10个问题)2.Do you know how to prove a new idea in scientific research?Setting out a new scientific idea needs many stages.Here are some stages in an experiment,please put them in a reasonable order.(得出一个新的科学观点需要过程,下面是在实验中所需的几个过程,请合理排列它们的顺序。
)a. Draw a conclusion .b. Think of a method .c. Collect resultsd. Make a questione. Find a problemf. Analyse the resultsg. Finding supporting evidenceThe order:1____ 2____ 3____ 4_____ 5____ 6_____ 7_____3. Skimming(快束浏览课文完成下列问题)1) What’s the main idea of the passage?()A. John Snow was a well-known doctor in London.B. The cause of cholera was the polluted water.C. The source of all drinking water should be examined.D. How John Snow collected ,analyzed the data and found the causeof the disease and solved it.2) true or false questions.()1.As a doctor, being able to attend Queen Victoria was an honourable thing at that time.()2.Although cholera couldn’t be cured, its cause was known to people in the days of John Snow.()3. John Snow doubted the two theories explaining how cholera killed people, so he did investigation to test them.()4.The results wouldn’t have been so clear without the map John Snow had drawn.()5.The polluted dirty water from the river was to blame for the disease.3) Finish the first exercise in Comprehending on Page 3.4. Scanning(快速阅读课文回答下列问题)1)When did John Snow become inspired though he was a famous doctor? ________________________________________________________________ 2) Why thousands of terrified people died when cholera came suddenly? ________________________________________________________________ 3) What was the second theory?________________________________________________________________ 4) Why did John Snow use the map in his research?________________________________________________________________ 5) Why did such houses as 20 and 21 Broad Street 、8 and 9 CambridgeStreet have no deaths?___________________________________________ ________________________________________________________________6) Where did the source of water for these streets come from?________________________________________________________________ 7) What conclusion did John Snow draw?_______________________________________________________________ 5. Match the inventions with their inventors below before you answer all these questions.Alexander Bell electricityThomas Edison the First telephoneLaite Brothers the electric LampMadame Curie black holes in UniverseFranklin Theory of GravitySteven Hawking the First PlaneElbert Einstein RadiumIsaac Newton the Theory of Relativity6. Careful readingRead the text carefully and choose the best answers.()1. What’s the purpose of the text?A. To show us how difficult it was to find a cure for cholera.B. To tell us how John Snow found the cause of cholera and the cure for it.C. To show us how difficult it was to carry out experiments at that time.D. To tell us the way cholera spread and how serious it was.()2. Which of the following is TRUE according to the text?A. John Snow became famous after cholera hit England in the 19th century.B. John Snow began to collect information long before cholera hit England in the 19th century.C. The mother and her daughter mentioned in the text both lived in Broad Street.D. John Snow felt unsure about the cause of cholera after he finished the map.()3. Why was cholera called “King Cholera” in the text?A. Because cholera caused many deaths.B. Because it got its name from Queen Victoria.C. Because cholera was the most deadly disease of its day.D. Because it was defeated with the help of the king.7.Read the passage again and fill in the blanks:John 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 gather information. He _________ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the __________ died. So he decided that the polluted water carried cholera. He suggested that the _________ of all water supply be ___________ and new methods of ___________ with polluted water be found. Finally, “King Cholera” was defeated.展示提升五.重点词汇1. conclude vi.终结;结束; 推断;决定[典例]1)The meeting concluded at ten o'clock. 会议于十点钟结束。