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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Book5 Unit1,Great scientists,Archimedes,Ancient Greek(287-212 BC),a mathematician.,Charles Darwin,Britain(1808-1882).The name of the book is Origin of Species.,Thomas,Savery,(1650-1715)was an English military engineer and inventor.,Thomas,Newcomen,(1663-1729),was an English blacksmith,who invented the atmospheric steam engine,an improvement over Thomas,Saverys,previous design.,James Watt(1736-1819)was a Scottish inventor and mechanical engineer,who was renowned for his improvements of the steam engine.,Newcomens,steam engine,Gregor,Mendel,Czech,a botanist and geneticist.,Marie Curie,Polish and French,a chemist and physicist.She discovered radium.,Thomas Edison,American,an inventor.He invented the lights and the gramophone.,Mona Lisa,Leonardo,da,Vinci,Italian,an artist.,Sir,Humphry,Davy,British,an inventor and chemist.,Zhang,Heng,ancient China,an inventor.,Stephen Hawking,British,a physicist.,What do you know about infectious diseases?,Infectious diseases can be,spread,easily.They have an unknown cause and may,do great harm to,people.,People could be,exposed to,infectious diseases,so may animals,such as bird flu.,AIDS,SARS are,infectious diseases,.They are difficult to cure.,What do you know about cholera?,Do you know how to prove a new idea in scientific research?,
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