人教版（2019） 必修第三册 Unit 4 Space Exploration Discovering Useful Structures课件

Wordsreviewgravityfrontiervehicleuniversedetermineddeterminesatellitelaunchorbitgiantn.重力；引力n.边境；国界；边远地区n.交通工具；车辆n.宇宙；天地万物adj.有决心的；意志坚定的vt.查明；确定；决定n.人造卫星；卫星vt.&n.发射；发起；上市n.(环绕地球、太阳等运行的)轨道；势力范围vt.&vi.沿轨道运行；环绕……运行adj.巨大的；伟大的n.巨人；巨兽；伟人ReadafterthetapeandspeakouttheChineseimmediately.leapmankindagencytransmitdatadisappointeddesirecarryoutn.跳跃；剧增；剧变(leapt,leaptorleaped,leaped)vt.&vi.跳过；跃过n.人类n.(政府的)专门机构；服务机构；代理处vt.&vi.传输；发送n.资料；数据adj.失望的；沮丧的n.渴望；欲望vt.渴望；期望n.继续做，坚持干Wordsreviewonboardindependentlyindependentspacecraftspacewalkjadesignalinthehopeofdoingsth.在宇宙飞船上；在船/飞机上adv.独立地；自立地adj.独立的；自立的n.航天器；宇宙飞船n.太空行走；太空行走的时间n.玉；翡翠；玉器vt.&vi.标志着；标明；发信号n.信号；标志抱有……的希望WordsreviewReadingandthinkingWhydowehumanswanttoexplorethespace?Tosearchforaliens（外星人）.Toexploretheunknown.Tofindanewspacetolivein.Tofurtherhumanexploration.Tohelpthedevelopmentofhumankind.…Doyouknowsomemoviesaboutspaceexploration?Thefirstmangoingintothespace:YuriGagarin,Sovietcosmonautin1961ThefirstChinesegoingintothespace:YangLiwei,Chineseastronaut,in2003Thefirstmanlandingonthemoon:NeilAldenArmstrong,Americanastronaut,Apollo11in1967Canyounameanyfamousastronauts?task1：Readthetitleandlookatthepituresonp40-41,andpredictwhatstyleofthepassage（文体）.

task2：阅读文章，填入恰当的衔接句子

A.Althoughscientiststrytomakesurenothinggoeswrong,accidentscanstillhappen.B.Spaceexplorationhascomealongway,andwenowhopetodiscoverotherplanetsthataresuitableenoughtosupportlife.C.Thefutureofspaceexplorationremainsbright.D.Aftermanyexperiments,theysucceededinmakingrocketsthatcouldescapeEarth’sgravity.BDACn.火箭n.重力;引力Step2:Readthetextandfillinthetable.

TimeNationEvent4thOctober19571.TheSputnik1satellitewaslaunched.12thApril1961theUSSRYuriGagarinbecamethe2.

personintheworldtogointospace.20thJuly1969AmericaNeilArmstrongsteppedontothe3.

.5thSeptember1977AmericaAmerica’sNASAspaceagencylaunchedVoyager1tostudy4.

.2003ChinaChinabecamethe5.

countrytosendhumansintospace.23rdJuly2020ChinaTianwen1wassentto6.

thesurfaceofMars.From2021to2022ChinaChinacompletedanumberofrocketmissionstoestablishitsown7.

.2022ChinaThelaunchoftheMengtianmodulesignaledthebasic8.

oftheTiangongSpaceStation.theUSSR

firstmoondeepspacethirdexplorespacestationcompletionWritesomethingaboutthefollowingthreepoints