M3JourneytospaceUnit1Hasitarrivedyet?它到了嗎？yet還；尚；已經(jīng)；常用于一般疑問句和否定句1溫故知新1n.地球n.月亮；月球n.新聞；消息n.行星v.到達；抵達adv.還，尚adv.剛才；剛剛n.模型earthmoonnewsplanetreachyetjustmodel [??θ][mu?n][nju?z][?pl?n?t][ri?t?][jet][d??st][?m?dl]1spacecraft project noproblemlatest on discover astronaut spacetravel[?spe?s/krɑ?ft][?pr?/d?ekt][?le?/t?st][?n][d?/?sk?/v?][??s/tr?/?n??t]n.航天器；宇宙飛船n.計劃；工程；項目沒問題adj.最近的；最新的prep.在(播放)中；關(guān)于……v.發(fā)現(xiàn)；找到n.宇航員航天旅行1二、常用短語(請在課文中找出下列短語)1三、經(jīng)典句型(請在課文中畫出下列句型)1探索新知·1WarmingupWheredowelive?Ontheearth.Theearthisaplanet.行星1WhatdoestheEarthgoaround?Theearthgoesaroundthesun.theearth1Howmanyplanetsarethereinthesolarsystem?M8planets.太陽系theearth1Mercury[?m??kj?r?]水星Venus/?vi?n?s/金星Mars[mɑ?z]火星Jupiter/?d?u?p?t?(r)/木星Uranus/?j?r?n?s/天王星Neptune/?neptju?n/海王星Earth地球Saturn/?s?t?n/土星theuniversethesolarsystemeightplanetsthesun1eyetelescopespacecraftspaceship航天器；宇宙飛船astronaut宇航員reachv.到達Howdopeopleobservetheplanets?1launch發(fā)射afewmonthsagoHowisitnow?1●newsaboutthetripto(1)_________.●journeyof(2)_________months●hasnotsentbackany(3)_________yet●hopetofind(4)_______onMarsMarseightmessageslifeNewsaboutspacetripThey'vejusthadsomenewsaboutthetriptoMars.1Aschool

projectamodelspacecraft模型；模范工程；項目11.HasTonymadeamodelspacecraftyet?2.HasDamingstartedyet?Yes,hehas.Hehasjustmadeamodelspacecraft.No,hehasn't.Hehasn'tstartedyet.1ThelatestnewsaboutthetriptoMarsScientistshavesent

aspacecrafttoMars.Thejourneyhastakenseveralmonths.Yes,ithas.Ithasarrivedalready.No,theyhaven't.Theyhaven'tdiscoveredlifeonMarsyet.Theyhavebeentothemoonalready.Yes,theyhave.Theyhaven'tbeentoMarsyet.No,theyhaven't.IthasalreadyarrivedTheyhavealreadybeentothemoon.1現(xiàn)在完成時中可以分別用____，______或___加以強調(diào)或說明。justalreadyyetalready,just表示“已經(jīng)做完事”“剛剛做完事”，多用于完成時的肯定句中，常位于助動詞have之后，實義動詞之前。也可以位于句尾。yet多用于現(xiàn)在完成時的疑問句或否定句中，常位于句尾。1Whyhaven'tatstrnautsbeentoMars?BecauseMarsisveryfaraway,muchfartherthanthemoon.workhardsendastronautstoMarssendsbto+地點派遣/送某人去....遙遠(yuǎn)1HowcanDaminggetinformationonspacetravel?Bytheinternet.=goonline上網(wǎng)1Makelistsofwhatwehaveandhavenotdoneinspacetravel.Wehave...____________________________________________________________________________________________________1.去過了月球（already)2.建立了空間站（already)3.拍攝了火星的照片（already)Wehavealreadybeentothemoon.WehavealreadybuiltspacestationsWehavealreadytakenpicturesofMars.1Wehavenot...____________________________________________________________________________________________________________________________________Wehav