1、Unit 1Great scientists 教学目标1.Help the students to understand the text by analyzing some difficult sentences.2.Improve the students ability of reading English and using English. 学情分析At present most students in my class are not good at English grammar.They can not write correct English sentences becau
2、se they dont knowhow to use the English words and English grammar correctly.Some of then even have difficulty in reading the wors and expressions they havelearned.They need to improve their English badly. 重点难点1Help the students to understand complex sentences correctly2.Help the students master the
3、expressing differences between English and Chinese3Teach the students to use the knowledge they gain in the text freely. 教学过程 活动1【讲授】Step 1.Ask the students to read the whole text quickly and underline the sentences they dont understand.Step2.Ask the students to answer some questions about the text.
4、1.Why did John Snow attend Queen Victoria as her personal physician?2.Could cholera be cured when it hit London?3.What were the two theories that possibly explained how cholera killed people?4.What did John Snow suspect?5.Why was he determined to find out the cause of cholera?6.Why didnt the people
5、who worked in the pub at 7 Cambridge drink the water from the pump?7.How was the river polluted?8.What did John Snow tell the astonished people to do?9.Why did the woman and her husband die of cholera?10. What did John Snow suggest？Step 3.Ask the students to underline the sentences where the past pa
6、rticiple is used.Step 4. Analyse some difficult sentences.But he became inspired when he thought about helping ordinary people exposed to cholera.So many thousands of terrified people died every time there was an outbreak.3.He knew that cholera would never be controlled until its cause was found.4.H
7、e became interested in two theories that possibly explained how cholera killed people.5.In two particular streets, the cholera outbreak was so severe that more than 500 people died in ten days.6.It seemed that the water was to blame.7. He found that it came from the river polluted by the dirty water
8、 from London.8.He immediately told the astonished people in Broad Street to remove the handle from the pump so that it could not be used.9.A woman, who had moved away from Broad Street, liked the water from the pump so much that she had it delivered to her house every day.10.To prevent this from hap
9、pening again, John Snow suggested that the source of all the water supplies be examined.Step 5.Oral practiceSay a few words about John Snow in English.Homework :1.Read the text five times and recite the sentences where the past participle is used after class. Blackboard Work John Snow Defeats “King Cholera”1. so- that-由于-以至于-2. expose- to-把-暴露在-3. be determined to do-决心干-4. be to blame -应受惩罚5. have/ get-done 请某人干某事，某人遭受不幸6. prevent/stop sb (from) doing -阻止-干-
