高一英语How-to-get-the-main-idea优秀公开课课件.ppt

1、Learning Aim:Learning Aim:In this video,you will learn how to get the main idea of a passage.Some useful tips will be offered to help you.English Learning Experts words:When we read,the most important thing to do is to understand the main idea.How to get the main ideaTip one:title and picturesPictur

2、es Pictures Tip two:topic sentence How to find the topic sentence?1 Smoking cigarettes is harmful to your health.Experiments show that cigarette smoking can cause cancer.Besides the most serious and terrible disease(illness),cancer,cigarette smoking also can cause other health problems.For example,i

3、t can give one a“smokers cough”.Finally,studies have shown it is easy for cigarette smokers to catch colds.Whether you get an unimportant cold or terrible killer,cancer,smoking is harmful.Is it worth it?Topic sentence2 Often no one looks more guilty than the innocent.On the other hand,nobody may loo

4、k more innocent than a professional criminal.And the man who knows“everything”may really only be trying to hide his own weakness.So,it is foolish to try to judge a person only by his appearance.So,it is foolish totry to judge a person only by his appearanceTopic sentence 3 If you were planning to bu

5、y a television set,the following advertisement would certainly draw your attention:“Color TV.Only 79.Two days sale.Hurry.”However,when you go to the store ready to buy.You may discover that they are sold out.But the shop assistant is quick to tell you that he has another model.A much better set whic

6、h is“just right for you”It costs 395.This sales method is called“bait(引诱)and switch”.Buyers are baited with a sales advertisement,and then they are switched to another more expensive one.Buying things on sale needs careful consideration of the goods and the reason for the sale.(2 minutes)This sales

7、method is called“bait and switch”.Topic sentence 4 4Tom studied four years at the University of Paris and decided to leave before his graduation.He transferred to the University of Berlin and graduated with honors.Harvard Law School and,later,Boston College provided him with an excellent legal backg

8、round.He is presently a corporation lawyer in Miami,Florida.The main idea of this paragraph is that _.A.Tom,who had studied at Paris Universities for four years,moved to another university.B.Tom became a lawyer since his graduation from Harvard Law School and later from Boston College.C.Tom was an e

9、xcellent student when he studied at Berlin university.D.Tom received an excellent education.detaildetaildetailTopic sentenceThe first sentenceThe last sentenceIn the middle of the paragraphSummarize by yourself Where is the topic sentence?Where is the topic sentence?Tip two:topic sentenceWhich of th

10、e following is NOT a function of a friend?A.He brings you some happiness.B.He helps you feel less lonely.C.He helps you get over the difficulties.D.He helps you cheat on the exam.We can infer from the passage that _.A.friends are people who respect each other but keep a distance between each otherB.

11、friends are people who only share the happy times with you C.friends are people who help you get rid of your shortcomings D.friends are people who always allow you to make mistakesTip three:key information from the questions and answer optionsPractice Time!Practice Time!Practice makes perfect!Magell

12、ans men were the first to make the trip around the world.It took them more than two years to do so by ship.Magellan was from Portugal,but he sailed for the King of Spain.On September 20,1519,he left Spain with five ships and 240 men.After passing the trip of South America,they reached the Pacific Oc

13、ean,on which they sailed more than one year.Very often they could not see a piece of land for months and they suffered greatly from the lack of food and fresh water.Many of them died of hunger and diseases.They even had to live on sawdust.Finally in April 1521,Magellan got to the Philippine Islands,

14、where he was killed.His men fled and continued their voyage across the Indian Ocean.It was with the greatest difficulty that they passed the Cape of Good Hope.By the time they returned to Spain on December 21,1521,seven out of every eight men had died.Magellans voyage proved that men could sail arou

15、nd the world and that our earth is but a huge ball.Which of the following do you think is the best title for this passage?A.Magellans death B.Going Around The World C.The World Is Round D.Magellans Voyage Magellans men were the first to make the trip around the world.It took them more than two years

16、 to do so by ship.Magellans voyage was the first trip around the world.Magellan was from Portugal,but he sailed for the King of Spain.On September 20,1519,he left Spain with five ships and 240 men.After passing the tip of South America,they reached the Pacific Ocean,on which they sailed more than on

17、e year.Very often they could not see a piece of land for months and they suffered greatly from the lack of food and fresh water.Many of them died of hunger and diseases.They even had to live on sawdust.Finally in April 1521,Magellan got to the Philippine Islands,where he was killed.His men fled and

18、continued their voyage across the Indian Ocean.It was with the greatest difficulty that they passed the Cape of Good Hope.By the time they returned to Spain on December 21,1521,seven out of every eight men had died.1.time2.ships and people3.route4.Sufferingsand difficultiesa.Lack of food and freshwa

19、terb.Hunger and diseases c.DeathsThe process of Magellans long difficult voyage5.success Magellans voyage proved that men could sail around the world and that our earth is but a huge ball.Magellans voyage proved the earth is round.Which of the following do you think is the best title for this passag

20、e?A.Magellans death B.Going Around The World C.The World Is Round D.Magellans Voyage Magellans men were the first to make the trip around the world.It took them more than two years to do so by ship.Magellan was from Portugal,but he sailed for the King of Spain.On September 20,1519,he left Spain with

21、 five ships and 240 men.After passing the tip of South America,they reached the Pacific Ocean,on which they sailed more than one year.Very often they could not see a piece of land for months and they suffered greatly from the lack of food and fresh water.Many of them died of hunger and diseases.They

22、 even had to live on sawdust.Finally in April 1521,Magellan got to the Philippine Islands,where he was killed.His men fled and continued their voyage across the Indian Ocean.It was with the greatest difficulty that they passed the Cape of Goed Hope.By the time they returned to Spain on December 21,1

23、521,seven out of every eight men had died.Magellans voyage proved that men could sail around the world and that our earth is but a huge ball.Paragraph 1:Magellans voyage was the first trip around the world.Paragraph 2:The process of Magellans long difficult voyageParagraph 3:Magellans voyaged proved

24、 the earth is round.Magellans voyage5 Magellans men were the first to make the trip around the world.It took them more than two years to do so by ship.Magellan was from Portugal,but he sailed for the King of Spain.On September 20,1519,he left Spain with five ships and 240 men.After passing the trip

25、of South America,they reached the Pacific Ocean,on which they sailed more than one year.Very often they could not see a piece of land for months and they suffered greatly from the lack of food and fresh water.Many of them died of hunger and diseases.They even had to live on sawdust.Finally in April

26、1521,Magellan got to the Philippine Islands,where he was killed.His men fled and continued their voyage across the Indian Ocean.It was with the greatest difficulty that they passed the Cape of Good Hope.By the time they returned to Spain on December 21,1521,seven out of every eight men had died.Mage

27、llans voyage proved that men could sail around the world and that our earth is but a huge ball.Which of the following do you think is the best title for this passage?A.Magellans death B.Going Around The World C.The World Is Round D.Magellans VoyageSummarySummary How to get the main idea?How to get t

28、he main idea?When we read,the most important thing to do is to understand the main ideas.To get the main idea,we need to find the topic sentences.Most topic sentences lie in the beginning or the end of the paragraph and the passage.Some in the middle,worst,we cant find the topic sentences at all,we need to summarize by ourselves.Dont forget to look at photos and titles if there are.Questions and answer options sometimes can also be very helpful to get the main idea.Thank You For Watching!