英语高二下北师大版Unit21《Human Biology》(Lesson 1)课件2

课件33张PPT。Super AthletesUnit 21 – Lesson1-1100 metres in 8 seconds Reading &VocabularyIn this period, you will able to
1. practise getting the general idea in fast reading;
2. identify the main ideas of the paragraphs;
3. find and organize specific information in the text;
4. practise talking briefly about the text;
5. learn some new words and phrases.Objectives1. Read the text quickly .What is the general idea?
a) The athletes who took part in the first Olympic Games are not as fast as athletes today.
b) Doping is a huge problem in the sporting world.
c) The present and future of the sporting world is being seriously and negatively affected by doping and gene-therapy.
d) Ben Johnson, Florence Griffith and Floyd Landis have all shocked the world by their speed.Task 1 Fast Readingdoping in sports Word Bank Word Banktherapy--treatmentGene therapy is the introduction of genetic material into cells for medical purposes.Task 1 Fast Reading2. Find out main ideas to each part.Paragraphs1-2 ——————————. Paragraphs 3-7 —————————————.Paragraphs 8 _____________.Records have fallenDoping and gene-therapyOlympic spirit Task 2 Careful Reading1. Decide the following sentences “True or False”1) As athletic performances have continually improved, records have risen .
2) Ben Johnson was still be the 100 meters world record holder because he had taken drugs in the 1988 Olympics. FF3) Doping can help athletes enhance their performance, however, the drugs also cause serious health problems in
later life for those who abuse them.
4)Doping is only a problem in athletics.
5)The Olympic spirit of competition emphasizes winning rather than taking part . Task 2 Careful readingTFF Word BankChina plans to enhance the public's awareness of environmental protection.Physical activities can _______ our memory ability and sleep quality. enhance Word Bankabuse animalsabuse childrenabuse drugs Task 2 Careful reading2. Answer the following questions.1) What reasons are given for improved performance? (para.2)Better equipment, training and diet. Task 2 Careful reading2) What is doping and why is it illegal? (Paras 3-4)________________ (which are originally developed to ______________________, but in the wrong hands ,they can make athletes _______________) is known as “doping”.
It is illegal because ____________________________.Taking the drugshelp people with illnessesfaster and strongerit is a fundamental form of cheating3) What would the effect of gene-therapy be on sport? (Para.7) Task 2 Careful readingIt would create super athletes who might be able to _______________________________
___________________________. This would contradict ____________________.do the 100 metres dash in just 8 seconds or the marathon in less than two hoursthe whole spirit of sport4) Why are drug tests at sporting events often one step behind? Task 2 Careful readingDrug tests are only developed after the new drugs are being used.Task 2 Careful readingTwo things to
worry aboutDopingThe sports world
doesn’t tolerate
______ as it is a
fundamental
form of cheating___________Doping is a
problem in
_________It is not easy to
catch athletes
using illegal
drugsGene-therapy
was originally for
_______________If gene-therapy
were used, it
would be almost
impossible to
________Both doping and
gene-therapy
violate
_______________Gene-therapydopingathleticsmedical purposesfind outthe Olympic spirittolerate Word Bankput up with something or somebody unpleasantThis is very interesting Chinese character, the upper part of this character means "Knife", the lower part means "Heart". How bad the condition is when there is a knife above your heart, but you still need to tolerate. Clothing, food, housing and transportation are our fundamental needs. In the last few years. Our life have had fundamental changes. Word BankThe driver violated Traffic Law. Word BankWord Bankdoping
Gene- therapy
enhance
abusetolerate
fundamental
violatedBeijing Olympics organizers signed an agreement on __________examination doping Word Bank Word BankWe _______land because we think it belongs to us.abuseWe shall not_______ such rubbish. tolerate Word Bank Word BankIn the last ten years, IT has brought ___________ changes to China. fundamentalIf someone ________ law, he/she will get punished.violates Word BankTask 4 ConsolidationAccording to Task 2 Ex.3 talk briefly about the text .1. Remember the new words.
2. Read the text.HowkormeBen Johnson born in Jamaica, is a Canadian former athlete, winning two Olympic Bronze medals, and an Olympic Gold. He set 100 m world records at the 1987 World Championships in Athletics and the 1988 Summer Olympics, but he was disqualified for doping, losing the Olympic title and both records.Maurice Greene ,now retired, is an American former 100 meter athlete, who holds several world records and Olympic medals. He was a former world record holder for the 100 meters , with a time of 9.79 seconds. Marion Jones is an American former world champion track and field athlete. She won five medals at the 2000 Summer Olympics in Sydney, but has lost all medals and prizes after admitting that she took performance-enhancing drugs. She announced her retirement from track and field on October 5, 2007.Floyd Landis on the Tour de France, July 23 2006. Floyd Landis is an American cyclist, from California. He is an all-around rider, with special skills in climbing and time-trialing. He won the 2006 Tour de France In 2006. He was stripped of his Tour de France victory and fired from the Phonak team after a drug-control test . He has received a two-year ban for doping. Florence Griffith was an American track and field athlete. She was born in Los Angeles During the late 1980s she became a popular figure in international track and field due to her record-setting performances and flashy personal style. She holds the world records in the 100 m and 200 m races. “Our youth now love luxury. They have bad manners, contempt for authority; they show disrespect for their elders... they contradict their parents, chatter before company; gobble up their food and tyrannize their teachers.”