Unit8Lesson23DiscoveryoftheYear1wasdiscoveredWarm-up2Discoveryoftheyear3Themostimportant;especiallygreatpleasureIntheendPraisesomeonebygivingsomethinggoodSpeaking4436512Listening56FillintheblanksWelcometotheRoselandCentre.ItisanhonortobeheretonightaswepresenttheawardforDiscoveryoftheYear.Thewinnersthisyearhavedoneagreatjobtohelpusunderstandhumanhealth.Theirdiscoverywillcertainlyimproveourqualit...
Unit8Lesson22FamousDiscoveries1Haveyouseenthispicture?What’sthis?Warm-up2NASAon23rd,JulyannouncedthediscoveryofKepler-452b,themostEarth-likeplaneteverfound.Located1,400light-yearsfromourplanet,NASAcalledit“Earth2.0”,becauseit’sthefirstplanetdiscoveredinthehabitablezoneofaGstarsimilartooursun.7月23日，美国国家航空航天局(简称为NASA)宣布发现开普勒-452b，是迄今为止与地球最为相近的行星。该行星距...
Unit8Lesson24AnExperimentReport1Doyouknowthefollowingthings?Haveyouseenorusedthesethings?Warm-up2MicroscopeHaveyoueverseenthismachinebefore?What’sthenameofit?Whatisitfor?Wecanobservethingsthatoureyescan’tseebymicroscope.3What’sthis?Canweeatit?Why?It’sapotatowithsprouts.Wemustn’teatit.4Theyareflowerpotswithsoil.Soilisimportantforplants.Doyouknowwhatitis?Whatcanyoudowithit?Whatdoyouneedtogro...
