【精品】高中英语（人教大纲）第三册：Unit9 Health care(第四课时)

The Fourth Period(第四季)是指手机；Teaching Aims:是指定的；1.learn and master the following words :Incident、signiance、bench、sink、jar、lid、devotion、2.train the students integrating skills，especally reading and writing skills。量纲；量纲。3.learn about Alexander Fleming and his great contribution to the human s health .量纲；量纲。Teaching Important Points:将会成为窗口；1.understand the passage exactly and learn about Alexander Fleming and his discovery-penic illin。量纲；量纲。2.train the students reading and writive。量纲；量纲。Teaching Difficult Point:how to help the students write a good article for a journal。量纲；量纲。Teaching Methods:是对号机；1.freetal to present some information about the passage to the students，so as to make the students interested in it。量纲；量纲。2.instructing method to help the students write an article。量纲；量纲。3.individul，pair or group work to make every student finish the given tasks better。量纲；量纲。吉庆艾滋病： s；1.the multimedia wesh；2.the blackboard(黑板)目标；Teaching Procedures:是指手机；Step greetingsGreet the whole class as usual。量纲；量纲。Step revisionT : in the last period，we revised the subjunctive mood。can you use it freely？量纲；量纲。Ss:Yes。愿闻者；T : well，lets do an exercise。look at the screen and finish the exercise in three minutes。then Ill check your answers。量纲；量纲。(teacher shows the screen and the students begin their work quickly。)指定；Correct mistakes if any。愿闻者；1.if you worked harder，you would have succeeded。量纲；量纲。2.the rice would not have burnt if you had been more careful。量纲；量纲。3.it was suggested that the medicines were sent here by plane。量纲；量纲。4.if the sun will not rise tomorrow，what would you do？量纲；量纲。5.if you haden t taken such a long time to get dred，wed have got there by now .量纲；量纲。6.how I wish I had been able to say the rules without a mistake！Suggested answers:(已指定的answers:)是指定的；1.worked-had worked worked worked；2.have burnt-have been burnt、3.were-be目标；4.will-did目标；5.have got-get反转；6.对号入座；Step presentationT:In this unit，We ve talked a lot about health care and society。it is known to us that the government has made great eforts to improve health care。however，There are some persons who have also made great contributions to health care。do you know what kinds of person they are？量纲；量纲。Ss: it must be doctors、nurmses、chemists and medicine scientists。量纲；量纲。T : you are right.for example，in 1928，a young Scottish scientist discovered a chemical that was very effective in curing infectionsdo you know who he was？量纲；量纲。Ss:亚历山大弗莱明。量纲；量纲。T:What did he call the chemical？量纲；量纲。Ss:Penicillin。T:是。it was Fleming s great discovery that changed hospitals and health care for ever。thanks to his discovery，many lives have been saved.today，We are going to read a passage about Alexander Fleming and his discovery penicilling量纲；量纲。(teacher shows the following on the screen and deals with the new words as usual。）Step readingT : ok.now，please open your books at page 79。read the passage the little mould that could silently and quickly .then finish the first exercise after it。five minutes later，Ill check your answers。量纲；量纲。Suggested answers:(已指定的answers:)是指定的；Ex.1 1 .C 2 .B 3 .D 4 .B 5 .B 6 .c调配机；T : well，youve undersstood it very well。in order to get a more exact meaning of the text，lets learn some sentences in it .ok？量纲；量纲。Ss:OK。愿闻者；(teacher shows the sentences on the screen。)指定；1.treatment were neither scientific nor effective，and many patients suffered deadly infection as a result of operation。量纲；量纲。2.this medical was able to fight mild infections，but it was not strong enough to cure serious infections。量纲；量纲。3.despite their lack of interest，Fleming kept trying to develop the chemical sp that it would be safe and effective。量纲；量纲。4.it was not until world warthat the importance of Fleming s discovery was fully recognized。量纲；量纲。5.when asked about his discovery，sir Alexander flexming said，“one some times finds what one is not looking for”t : now lookat the sentences on the screen . I ll ask some students to translate them into Chinese . One student，One sentence。the others listen carefully and tell if their translations are right . Li Ming，the first sentence。量纲；量纲。S1:治疗在科学上也没有效果，很多患者术后感染严重。量纲；量纲。t:量纲；量纲。S2:这种药可以治疗轻微感染，但严重感染的情况下，药效不够强，无法痊愈。量纲；量纲。S3:即使其他科学家对弗莱明的发现不感兴趣，他也继续努力安全有效地开发这种药。量纲；量纲。S4:直到第二次世界大战时才完全接受弗莱明发现的药物的重要性。量纲；量纲。S5:当有人问起亚历山大弗莱明自己的发明时，他说：“人有时会发现自己找不到的东西。”(bb : neither.nor、as a result of、enough to.lack of、keep doing、so that、it was not until.that.when done.）T : you all did good jobs。now let s go on to do ex . 2 . work in pairs and choose which of the character istics below do you think helper fleer min G discover pen cillin . at the samas量纲；量纲。(several minutes later，teacher checks their work。T:Are you ready now？量纲；量纲。Ss:Yes。愿闻者；T : well，who d like to be the first to talk about your choice？量纲；量纲。S6: I will.in my opinion，it was a doctor s sense of responsibility that helded Alexander flexing discover penic illin。with this character istic，he devoted himself to his duty and observed carefully。量纲；量纲。s 7: I think it was the character istics of sympathy that helved Alexander flexming discover penicillin。without sympathy，He would not make effors to search for the chemical which He believed could treat infections。量纲；量纲。S8:愿闻者；T : well，all your choices sound reasonable . after class，go on to ask about others choices . now，let s listen to the tape of the量纲；量纲。Ss:Ready。愿闻者；(teacher plays the tape . after listening，teacher begins to deal with the next part .)指定；Step writingt : now imagine that you are Alexander Fleming。you have just discovered penicilling and you are very exited about the new chemical。do you want to tell other doctors about your discovery？量纲；量纲。Ss:Of course I do。愿闻者；T:What do you want to tell them？王红。愿闻者；s 9: fir