Unit20Warm-upandLesson1TeachingaimsI
wordsandphrases:frontiertelescopeatommicroscopeastronomybacteriaradiumsolarcrewpanelinstitutecomputesenseimpactethicalradioactivepoloniumseminarlife-sizedscreenhandybiochemistrytheoreticallyrobotdatabasemeanwhilesourceexplorationbarbershopartificialintelligence,lightyear,searchengine,solarsystem,takeover,carryout,dataprocessing,theInternationalSpaceStation,clickinto,intermsof,II
listeninganddiscussionaboutsomethingofscienceIII
toreadthetextandstudythelanguagepointsTeachingtimeTwoperiodsTeachingprocessStep1RevisionStep2newwordslearning1
asksomestudentstoreadthenewwordsfirstandcorrecttheirpronunciation2
playthetapeandhavethemreadafterthetape3
givethemafewminutestoreadthenewwordsfreely,tellthemiftheycan’treadthewords,encoreagethemtoasktheteacher
Step3Warm-