Senior2Unit7LivingwithAids(speaking)课件
日期：2010-05-09 05:56
______isenvironmentallyfriendly，___________andtravels___anamazing430km/h______________，thetrainiscontrolledbyan__________computersystemScientistsaredevelopingnewfuelsandenginesthatwillletustravel______________about_________wearepollutingtheenvironmentCurrenttrendsisbecomingwelldevelopedisbeingusedtomakesureexamplewhichenergy-savingatToensuresafetyadvancedwithoutworryingwhetherBlanket-filling_______causeillnessessuchasthecommoncold，______________indicatethattransportation__________cleaner，fluandfeverAfterayear，shewas_______ofcancer，fasterandsaferPublictransportationisalready_____________inmosturbanareasofChinaNewtechnology______________________thattheairisn’tbeingpollutedAgood_________ofhowtransportationischangingisthenewmaglevtrain，andshestillworkshappilynowOneoftheboysintheclasshadafeverandhesoon_________otherchildrenThevirusistransmitted____physicalcontactVirusescuredinfectedviabeinfectedwithdeadlydiseasesInjectdrugsasorethroatsignsIt’ssafetobefriendswithpeoplewho…Disc，
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