人教版（2019）选择性必修 第一册Unit 1 People of Achievement Reading and Thinking-2课件(共23张PPT)

(共23张PPT)
Unit 1 People of Achievement
Reading and Thinking
Learning objectives
In this class, you will
1. read about the news and find out the event;
2. read and find out the discovery of artemisinin;
3. talk about what greatness means and how it is achieved.
Lead-in activity: predict with the pictures
1. Who is she What do you know about her
2. What is the plant What do you know about it
sweet wormwood
artemisinin
extract
Lead-in activity: predict with the pictures
3. What do you think will be talked about
Lead-in activity: predict with the pictures
The passage will be about Tu Youyou and her important scientific discovery.
TU YOUYOU AWARDED NOBEL PRIZE
6 October 2015
1.Where would you most likely find this passage
A. In a blog. B. In a book.
C. In a letter. D. In a newspaper.
√
Reading activity: read and tick
2.Passages like this are mostly written in ______ and ______.
the active voice/offer many opinions
the first person/talk about feelings
both active and passive voices/mostly contain facts
√
Find descriptive words
Pay attention to the descriptive words in a passage. These will help you form a better impression of the subject described in the passage.
Reading activity: read and tick
Whether these pieces of information are all included in the passage
A quote from Tu Youyou.
Tu Youyou’s road to discovering artemisinin.
The discovery of artemisinin.
What Tu Youyou was awarded.
Why artemisinin is an important discovery.
2nd -3rd para.
1st para.
4th para.
2nd -3rd para.
1st para.
Reading activity: read and tick
How was artemisinin discovered
Found a medical text suggesting the extract from sweet wormwood to treat a fever.
Examined old medical texts and evaluated plants for their medical properties.
Reading activity: read and complete the flow chart
1st Period
Tried dried wormwood leaves.
Tried boiling fresh wormwood for its liquid.
Used a lower temperature to draw out the sweet wormwood extract.
How was artemisinin discovered
Reading activity: read and complete the flow chart
2nd Period
Tested the medicine on themselves to see if safe.
Tested the medicine on malaria patients.
Became a standard treatment for malaria.
How was artemisinin discovered
Reading activity: read and complete the flow chart
3rd Period
Why is the discovery of artemisinin important
What was the key to getting a good extract from the wormwood
What numbers are mentioned in the text What do they suggest
Why is Tu Youyou considered a great person
Reading activity: read and answer
1.Why is the discovery of artemisinin important
Artemisinin has saved hundreds of thousands of lives, and has led to improved health for millions of people. Over 200 million people around the world get malaria each year, and about 600,000 die from it. Artemisinin has become a vital part of the treatment for malaria, and is thought to save 100,000 lives a year in Africa alone.
1st para.
Reading activity: read and answer
Artemisinin has saved hundreds of thousands of lives, and has led to improved health for millions of people.
1st para.
Reading activity: read and answer
1.Why is the discovery of artemisinin important
2.What was the key to getting a good extract from the wormwood
She concluded that boiling the sweet wormwood apparently destroyed its medical properties. Using a lower temperature to draw out the extract, she found a substance that worked.
3rd para.
Reading activity: read and answer
Using a lower temperature to draw out the extract.
3rd para.
2.What was the key to getting a good extract from the wormwood
Reading activity: read and answer
3. What numbers are mentioned in the text What do they suggest
200 million ; 600,000;100,000; over 2,000; 280,000; 380;190
Reading activity: read and answer
3. What do the numbers suggest
●Over 200 million people around the world get malaria each year, and about 600,000 die from it.
●Artemisinin has become a vital part of the treatment for malaria, and is thought to save 100,000 lives a year in Africa alone.
These numbers suggest how big a health problem malaria is.
Reading activity: read and answer
3. What do the numbers suggest
●Her team examined over 2,000 old medical texts, and evaluated 280,000 plants for their medical prosperities.
●From their research, they discovered and tested 380 distinct ancient Chinese medical treatments…
●After failing more than 190 times, the team finally succeeded in 1971.
These numbers suggest how patient and persistent Tu Youyou and her team were to tackle the disease.
Reading activity: read and answer
4. Why is Tu Youyou considered a great person
She is considered a great person because through her efforts many lives have been saved.
Reading activity: read and answer
As to the discovery of artemisinin, which do you believe is more important, talent or effort Or something else
Both talent and effort are important for making discoveries.
Post-reading activity: discuss
Tu Youyou Awarded Nobel Prize
The news
The event
Tu Youyou was awarded Nobel Prize.
Road to discovery
Pre-experiment
During experiment
Post-experiment
Significance of the event
fieldwork and literature review
extracting at a low temperature
using dried wormwood leaves
boiling fresh wormwood for liquid
great value of traditional Chinese medicine
testing
Post-reading activity: review with the map
Homework:
Choose one of the following topics and write a short passage. Support your ideas with the examples from the text.
How was artemisinin discovered
Which contributes more to academic success, talent or effort Or something else