教育专题：Warmingup (2)

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,*,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,*,英语教学课件系列,选修九,Unit 2,Sailing the oceans,Warming up,Do you like Sailing?,Question:How many,oceans,are there,in the world?,Pacific Ocean,Atlantic Ocean,Indian Ocean,Arctic Ocean,World map exploration,Write down the words you know,which,are related to,navigation,and,sea,.,navigation,sail,sailor,voyage,latitude,longitude,equator,horizon,captain,land,island,nautical middles,explore,exploration,sea,seaman,seaweed,seafood,shore,offshore,onshore,beach,beach-ball,seabed,sea-bird,seagull,sea shell,seaside,sea water,seasick,coast,coastline,tide,wave,current,What,is a,navigator,?,2.What is the difference between,a navigator and an explorer?,A navigator explores new routes,across,the,sea,.,A navigator explores the sea;,an,explorer,discovers new,places,on,land,.,navigator,sea,nautical instruments,find new islands or continents,Navigator is,sb,.who finds the position and plots the course of a ship by using maps and nautical instruments.,explorer,land,use of compass and landmarks,find new places within an already identified island or continent,Explorer is,sb,.who travels into or through a place in order to learn,about it.,Very often navigators are,also explorers.,Zheng He,(1371-1433),Is he a navigator or an explorer?,He,made seven voyages,during his lifetime and,contributed greatly to,the science of navigation,in China.,He is,considered,as,one of the,earliest,naval explorers,in Chinese history.,Marco Polo,(1254-1324),He is the most,famous westerner,to travel the Silk,Road and the only,person to provide,information about,China to the,outside world.,The Map,of Marco,Polos voyage,James,Cook(1728-1779),He was the greatest Britain navigator.,He discovered the Hawaiian Islands.,Columbus,He was the first person that discovered the“New World”.,navigator,n.,导航者,领航员,navigate,vi.,航行,航海,航空,vt,.,航行于,驾驶,操纵,使通过,e.g.They,navigated,with difficulty,through the crowd.,他们在人群中艰难行进。,navigation,n.,航海,航行,navigational,adj.,航海的,航行的,Explanation,Homework,1.Read the new words.,2.Preview Reading,SAILING,THE OCEANS,on page 12.,Thank You!,