金识源专版高中英语Unit1GreatScientists(第2课时)WarmingupandReading教案新人教版必修5

Period 2
Step 1 Homework checking p41 Listening
Step 2 Lead in
1. Invite 2-3 Ss to introduce the scientists they admire most to the class
2. Background introduction to John Snow
John Snow (1813-1858) was born and worked as a doctor in Great Britain. He was originally an anesthetist(麻醉师).He was so famous that he became the doctor for Queen Victoria at the births of her many children.
Four outbreaks of cholera in the 1830s and 1840s killed many people in England. In 1854, the most terrible outbreak of cholera which ever occurred in the kingdom began.
It was so violent and sudden that 127people died in the first three days.
3. Give information of the deadly disease cholera
1) What infectious diseases do you know? (AIDS, SARS, H5N1,pig-borne disease 猪
链球菌)
2) What kind of disease is it ?
Name of cholera
Symptom(症状) severe vomit (呕吐) and diarrhoea (腹泻)
Aftereffect die quickly from a loss of liquid
4. Make up a question
What was the cause of this disease ? How did John Snow find it out?
Get Ss to imagine and describe How John Snow defeat cholera by making use of the
key words
cholera, outbreak, severe, deadly, infectious, examine, expose, analyse, control, cure, defeat
Step 3 Reading
1. Fast reading : Read the text quickly and find out the main idea of each paragraph Para 1: the problem Para 2: the cause----two theories Para 3: the method Para 4: the discovery Para 5: the result and conclusion Para 6: the suggestion
2. Show pictures of water pump and teach handle
3. Careful reading: Read the text carefully and fill in the chart (Ex 1, p3)
Step 4 Discussion
1. (Group work) Discuss how John Snow investigate cholera. Put the stages in examining the disease in the right order.
Draw a conclusion Think of a method Collect results Make up a question Find a problem Analyse the results Repeat if necessary
2. P3, Ex2, Q3: Do you think John Snow would have solved this problem without the map? Give your reasons.
Step VI. Homework
1. Finish P4, Ex 1,2(on SB) Ex3 make sentences on exercisebook (make one’s way to, make up one’s mind, make sure, make room for)
2. Find out the phrases according to the Chinese (part 1 on the paper for language points)
3. Retell the story John Snow Defeats “King Cholera” by following the 7 steps
4. Read notes to Unit 1, find out some difficult points while reading the text。