大学英语大学英语 (8).ppt
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1、Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ mainWarm-up Exercises Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Warm-up Exercises _ listWarm-up Exercises Journey on the Paper Brainstorming CloneBefore ReadingGlobal Reading
2、Detailed ReadingAfter ReadingSupplementary ReadingB R _ Clone _ listCloneNewsDiscussion Ads DesigningBefore ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Journey on the Paper 1 Now lets go on a journey through the most spectacular 100 years in the history of science an
3、d technology to have an overview of how our understanding of the world has grown from 1900 to today.Journey on the Paper Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Journey on the Paper 2 MATTERS OF LIFE AND DEATH Medicine and Health1900:Patients battle illnes
4、s,while doctors can do little more than counsel(劝告劝告)and comfort them and keep them clean.Today:Doctors treat and often cure patients with a vast array(一大批一大批)of medicines and medical technologies,but some diseases are still incurable.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSuppleme
5、ntary ReadingB R _ Journey on the Paper 3 MYSTERIES OF THE UNIVERSE Physics and Astronomy 1900:The Milky Way galaxy(星系星系)(including some unexplained nebular clouds(星云星云)is the known universe.Newtons laws explain the physical world.Matter is composed of atoms.Before ReadingGlobal ReadingDetailed Read
6、ingAfter ReadingSupplementary ReadingB R _ Journey on the Paper 4Today:The Milky Way is just one galaxy among countless millions we have observed in the universe.There is no set of laws that explains all phenomena in the physical world,although there are many theories.Atoms are composed of many suba
7、tomic particles,all of which derive from(来自于来自于)energy.MYSTERIES OF THE UNIVERSE Physics and Astronomy Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingToday:Mental illness can be treated with a range of therapies(治疗治疗)and medications.We know a great deal about the chemi
8、stry and the parts of the brain that control our behavior and thoughts.B R _ Journey on the Paper 5RESEARCH INTO OURSELVES Human Behavior1900:There is no cure for the mentally ill,who are confined to insane asylums(精神病院精神病院).“Mind”and“body”arethought of as two separate things.Before ReadingGlobal Re
9、adingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Journey on the Paper 6FASTER,CLOSER,BETTER Technology1900:The only way to view the Olympic Games in Paris is in person.News about the Games travels to America via(通过通过)telegraph and is printed in newspapers.Today:Millions worldwide watch t
10、he 2008 Beijing Olympics on television,transmitted instantaneously(瞬间瞬间地地)by satellite.The news spreads as well by radio,newspaper,and the World Wide Web.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Journey on the Paper 7ORIGINS Earth and Life Science1900:There
11、 is no good explanation for catastrophic events such as earthquakes.The Earth is thought to be a mere 50 million years old,and the evolution of species is hotly debated.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Journey on the Paper 8Today:The plates(板块板块)tha
12、t make up the Earths crust(地壳地壳)move over time,causing earthquakes and volcanoes.The Earth is known to be 4,500 million years old.The genetic code of DNA,which drives evolution,is better understood every day.ORIGINS Earth and Life ScienceBefore ReadingGlobal ReadingDetailed ReadingAfter ReadingSuppl
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