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ID:54138299
大小:505.50 KB
页数:20页
时间:2020-04-29
《高一英语(下)必修三Unit 4 Period 3.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、1.Whenthewaterfreezesinthecoldweather,itwillbecomesolid.2.Aftertheearthexploredviolently,itproducestheatmospherewhichwasmadeupofoxygen,nitrogen,carbondioxideandsomeothergases.3.Itisgenerallybelieveditwasthewaterthatmadetheearthdifferentfromotherplanets.4.Toomuchcarbondioxideintheatmosp
2、herepreventslightfromescapingfromtheearthintothespace.5.Whetherlifewillcontinueontheearthwilldependonwhethertheenvironmentproblemwillbesolved.alternativewordsandexpressionshardorfirmsolidusingforcetohurtorattackviolentscientificstudyofthestarsastronomyusuallyorwidelygenerallystop…fromp
3、reventfromnaturallargeobjectthatcirclesthesunplanetthechangesasplantsoranimalsgrowolderdevelopmentburstexplodeThecovering(ofsomething)surfaceWayofdoingthingsmethodCompletethispassagewithsomeoftheabovewords.MyfriendLiYanpingwasreallyveryinterestedina_s_t_r_o_n_o_m__y__.Helikedtowatchcha
4、ngesinthemoon,theonlynaturalsatelliteoftheearththroughhistelescope.Oneeveninghethoughthesawahugecomet_e_x_p_l_o_d_e_asithitthemoon.The_s_u_rf_a_c_e__ofthemoonproducedalotofdustthatbecame_s_o_l_i_d__likealargeball.Itseemedasifitwouldmultiplyandbecomeanew_p_l_a_n_e_t_.LiYanpingthoughthew
5、asseeingthe__d_e_v_e_l_o_p_m_e_n__t_oftheuniverseuntilhenoticedsomedirtonhistelescope!hewasverydisappointed.•HeisagreatscientistlivinginEast-HanDynastyabout1800yearsago.•Heisthefounderofastronomy,andthefirstmanwhostudiesearthquakes.•Chinesepeoplerebuilthistombin1956inhonorofhim.•In1977
6、,alittleplanetinthesolarsystemnumbered1082wasnamedafterhisnameinordertoremindpeopleofhissignificantcontributionsforhuman.ZhangHengWhathedidforhumaninastronomywillberememberedbyall.Howheobservedthestarsattractsmeverymuch.Whyhewasinterestedinastronomyisunknown.Whatdotheabovesentenceshave
7、incommon?主语从句(NounClausesastheSubject)主语从句用作主语的从句叫主语从句,它是名词性从句之一。TheirdestinationisMybedtimeisfixed.unknown.WhattimeIgotobedWheretheyaregoingisfixed.isunknown.引导主语从句的连接词:连词that,whether;连接代词who,what,which,whoever,whatever;连接副词when,where,how和why。Combinethesentencesintoone:1.Lighttravel
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