概要写作记叙文学习教案.pptx
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1、会计学 1概要(giyo)写作记叙文第一页,共22 页。判断叙述(xsh)方式1圈划关键(gunjin)句分层文章内容23三步走第1 页/共21 页第二页,共22 页。一、叙述(xsh)方式第2 页/共21 页第三页,共22 页。一、事情发展(fzhn)顺序(总括)起因(开端)经过结果(启示)二、时间发展(fzhn)顺序(总括)时间1-事件1时间2-事件2时间N-事件N(总括)第3 页/共21 页第四页,共22 页。【例1】Tu Youyou has become the first Chinese woman to win a Nobel Prize,for her work in help
2、ing to create an anti-malaria medicine.The 84-year-olds route to the honor has been anything but traditional.Tu Youyou started her malaria research after she was recruited to a top-secret government unit known as“mission 523”.In 1967,Communist leader Mao Zedong decided there was an urgent national n
3、eed to find a cure for malaria.At the time,malaria spread by Vietnam.A secret research unit was formed to find a cure for the illness.Two years later,Tu Youyou was instructed to become the new head of Mission 523.She was dispatched to the southern Chinese island of Hainan to study how malaria threat
4、ened human health.Ancient Chinese texts inspired Tu Youyous search for her Nobel-prize winning medicine.Mission 523 pored over ancient books to find historical methods of fighting malaria.When she started her search for an anti-malarial drug,over 240 000 compounds around the world had already been t
5、ested,without any success.Finally,the team found a brief reference to one substance,sweet wormwood,which had been used to treat malaria in China around 400 AD.第4 页/共21 页第五页,共22 页。The team isolated one active compound in wormwood,artemisinin,which appeared to battle malaria-friendly parasites.The tea
6、m then tested extracts of the compound but nothing was effective in eradicating the drug until Tu Youyou returned to the original ancient text.After another careful reading,she tweaked the drug recipe one final time,heating the extract without allowing it to reach boiling point.Tu Youyou first teste
7、d her medicine on herself to ensure it was safe.After the drug showed promising results in mice and monkeys,Tu Youyou volunteered to be the first human recipient of the new drug.“As the head of the research group,I had the responsibility,”she explained to the Chinese media.Shortly after,clinical tri
8、als began using Chinese labourers.第5 页/共21 页第六页,共22 页。【例2】For centuries people dreamed of going into space.This dream began to seem possible when high-flying rockets were built in the early 1900s.In 1903 a Russian teacher named Konstantin Tsiolkovsky figured out how to use rockets for space travel.H
9、is plan was the first one in rocket science to use correct scientific calculation.About 30 years later,a U.S.scientist named Robert Goddard built the first rockets that could reach high altitudes.During World War II,German scientists built large rockets that could travel very far and carry dangerous
10、 explosives.After the war,scientists from Germany went to the United States and the Soviet Union to help those countries build space rockets.These two countries were soon racing to get to space first.Each of these countries wanted to prove that it was stronger and more advanced than the other one.Bo
11、th countries also had powerful bombs.People in the United States were worried when the Soviets were first to launch a space satellite,which was called Sputnik.The Soviets were also first to send a person into space.Yury Gagarin orbited the earth in the Vostok I spaceship in 1961.第6 页/共21 页第七页,共22 页。
12、The US government set a goal for its space program to be the first country to put a person on the Moon.The U.S.space program built a series of Apollo spaceship.These vehicles were powered by huge Saturn 5 rockets.In 1969 Apollo II took three men to the moon successfully.Nell Armstrong became the fir
13、st person to walk on the Moon.The Soviets may have lost the race to fly people to the Moon,but they built the first space station in 1971.The United States also built a space station.The space stations allowed people to live and work in space.Then the Soviet Union and the United States cooperated to
14、 hook two spaceships together in space.This action ended the space race.Today a much larger space station,built by several countries together,orbits Earth.Another new way to go to space is by space shuttle.A space shuttle,first made in the United States in 1981,looks like an airplane.Astronauts who
15、fly spaceships have used shuttles to help put satellites into space.第7 页/共21 页第八页,共22 页。二、圈划关键(gunjin)句第8 页/共21 页第九页,共22 页。难以(nny)取舍?以结果(ji gu)(启示)为导向忽略/概括次要信息第9 页/共21 页第十页,共22 页。【例1】The 84-year-old s route to the honor has been anything but traditional.In 1967,Communist leader Mao Zedong decided th
16、ere was an urgent national need to find a cure for malaria.At the time,malaria spread by Vietnam.A secret research unit was formed to find a cure for the illness.She was dispatched to the southern Chinese island of Hainan to study how malaria threatened human health.Mission 523 pored over ancient bo
17、oks to find historical methods of fighting malaria.When she started her search for an anti-malarial drug,over 240 000 compounds around the world had already been tested,without any success.Tu Youyou has become the first Chinese woman to win a Nobel Prize,for her work in helping to create an anti-mal
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