2019新人教高中英语选择性必修二Unit1Reading and Thinking公开课教案

2019新人教高中英语选择性必修二Unit 1 Science and Scientists

Reading and Thinking公开课教案

Teaching aims:

1. Enable students to figure out the structure of the passage by analyzing the

main idea of each paragraph.

2. Identify the process of scientific research and learn about the characteristics

of great scientists.

3. Express students’ opinions on how to defeat cholera and improve their

ability of asking questions.

Teaching key points:

1. Lead students to learn about the process of doing scientific research.

2. Help students analyse the discourse structure and language features.

3. Inspire students to form the ability of questioning.

Teaching difficult points:

1. Instruct students to figure out the discourse structure and language

features.

2. Lead students to express their opinions on the characteristics of great

scientists.

Teaching procedures:

StepⅠLead-in

Watch and think.

1.What is the video mainly about?

2.Do you know who is the first man to defeat cholera? And how?

Suggested answers:

1.The video is about cholera including its spread,harm and how to defeat

cholera.

2.By reading the passage I know it’s John Snow who is the first man to defeat

cholera.

StepⅠ Pre-reading Discuss the following stages of scientific research in groups.What order would

you put them in?

·analyse the results

·ask a question

·draw a conclusion

·collect data

·find a problem

·find supporting evidence

·think of a method

Suggested answers:

find a problem→ask a question→think of a method→collect data→analyse the

results→find supporting evidence→draw a conclusion

StepⅢ While-reading

1.Scan the passage and write down the key words of each paragraph.

Paragraph 1:

Paragraphs 2 & 3:

Paragraph 4:

Paragraph 5:

2.Read Paragraph 1 and answer the questions.

Cholera

(1)What?____________________

(2)When? Where?__________________________

(3)What consequence?_________________________

John Snow

(1)Who?He never lost his desire to ____________once and for all.

(2)What?A __________doctor who even attended to __________.

Suggested answers:

While-reading

1.Paragraph 1:What?Who?

Paragraphs 2 & 3:How? Paragraph 4:Truth

Paragraph 5:Results and significance

2.Cholera

(1)A disease which causes diarrhoea,dehydration,and even death.

(2)In the early 19th century;In Europe.

(3)Millions of people died.

John Snow

(1)destroy cholera (2)famous;Queen Victoria

3.Paragraphs 2 & 3

Activity 1 Read Paragraph 2 and answer the questions.

(1)How many theories were there about cholera’s spread?And what were they?

(2)Which one did John Snow agree with?

(3)How severe was the cholera outbreak in that two particular streets?

Activity 2 Finish the following chart.

Stages Key words or sentences

(1) Marking on a map

(2) House numbers 16,37,38,and 40;

20 and 21 Broad Street;

8 and 9 Cambridge Street

Analyse the results (3)

Find supporting evidence (4)

(5) As a result of this evidence,John Snow was able to

announce that the pump water carried cholera germs.

Suggested answers:

3.Activity 1

(1)There were two theories.One theory was that bad air caused the disease.The

other was that cholera was caused by an infection from germs in food or water.

(2)He agreed that cholera was caused by an infection from germs in food or

water. (3)More than 500 people died in 10 days.

Activity 2

(1)Find a problem

(2)Collect data

(3)There were multiple deaths near the water pump and some households had

had no deaths.

(4)A woman and her daughter had died and the woman liked the water from

the pump so much that she had it delivered to her house every day.

(5)Draw a conclusion

4.Paragraph 4

(1)What’s the main idea of Paragraph 4?

(2)How can we prevent cholera?

Suggested answers:

(1)The truth was that the water from the Broad Street pump had been infected

by waste.

(2)We should drink pure or boiled water.

5.Paragraph 5

What’s the influence of Snow’s study on science?

Suggested answers:

He helped people know how to prevent cholera.He transformed the way

scientists study diseases by using maps and statistics.

Step Ⅰ Post-reading

Pragmatic analysis

1.What’s the writer’s purpose for writing the passage?

2.To whom does the author write this passage?

Suggested answers:

1.To tell readers how John Snow defeated cholera and his influence on scientific

research.

2.To those who are interested in science and scientists.

Critical thinking