人教版必修第三册Unit4SpaceExplorationWarmingUpListeningandspeaking课件（23张）

ListeningandspeakingUnit4

SpaceExplorationWhatdoyouknowaboutSpaceExploration?SpaceExplorationvaluesignificancefamousastronautsachievementdefinitionhistoryWhatisSpaceExploration?Spaceexploration,theinvestigation,bymeansofcrewedanduncrewedspacecraft,ofthereachesoftheuniversebeyondEarth’satmosphereandtheuseoftheinformationsogainedtoincreaseknowledgeoftheuniverseandbenefithumanity.Abriefhistoryofspaceexploration

WritedownthemilestonesandwhathappenedWhydoweexplorespace?Whydoweexplorethespace?

Makeaascompletelistofthereasonsaspossible!Howfarhavewegoneinourdreamtoexplorethespace?Howtobecomeanastronaut?Thefirstmangoingintothespace:YuriGagarin,Sovietcosmonautin1961ThefirstChinesegoingintothespace:YangLiwei,Chineseastronaut,in2003Thefirstmanlandingonthemoon:NeilAldenArmstrong,Americanastronaut,Apollo11in1967Canyounameanyfamousastronauts?Ex.2,3Page38Ex.2,3Page382210141727038Ex.4Page38

CulturalNote:

Whatdoyouknowaboutthesolarsystem?Doyouknowhowmanyplanetscirclearoundthesuninoursolarsystem？Whatarethey?CulturalNote:

Doyouknowanyfeaturesoftheplanets?Howmanyplanetsarethereinthesolarsystem?Whichplanethasthebiggestsatellitesinthesolarsystem?英语重音分为句子重音和词重音。句子的重音1.功能：体现句子的节奏感和韵律感，突出重点，使听者更容易理解。2.哪些词在句子中需重读一般来说，在句子中需重读的词都是实词，比如名词、动词、形容词、副词、数词、代词等。不重读的多为虚词，比如冠词、连词、介词、感叹词等。例如：Thestreetsarewideandclean.Iamsogladtoseeyouagain.3.虚词需要重读的情况(1)强调或突出某个虚词或be动词时，应将其重读。—Areyouastudent?—Yes，Iam.(2)介词在句首时往往要重读。Onmywaytoschool，mybikewasbroken.(3)be动词及助动词和not结合时要重读。Didn’tItellyouyesterday?(4)句子末尾的be动词和助动词一般要重读。注意：上文刚出现过的并且重读的单词，第二次提到时一般不再重读。词重音英语重读音节和非重读音节重读闭音节是指这个单词是重读音节。以一个或几个辅音字母(r除外)结尾，而中间只有一个元音字母的音节，称为闭音节。1.闭音节(1)单音节：音标中含有一个元音音素；(单音节全是省略了重读符号的重读音节)(2)双音节：音标中含有两个元音音素；(会有重读符号标在某个需重读的音节前)(3)多音节：音标中含有三个或三个以上的元音音素。(会有重读符号标在某个需重读的音节前)2.开音节(1)以发音的元音字母结尾的单音节。如：be，he。(2)以辅音字母(r除外)＋不发音的e结尾的音节。如：make，like。在重读的开音节中元音字母按字母名称读音。读下列对话，标出重读音节和非重读音节Mary：Istheresomethingwrong,Karen?Karen：It’sokay.I’mbeingsilly.Mary：That’simpossible.You’reneversi