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Unit4AstronomythescienceofthestarsSectionⅠ一、根据句意以及首字母或汉语提示写出下列单词的正确形式1.Thesemembersincludetherichandthepoortheyoungandtheoldwhorepresentmanyracesr______andpoliticalbeliefs.2.Accordingtothet______ofrelativitynothingcantravelfasterthanlight.3.Weknowthatmatterismadeupofa______.4.Fromspacetheearthlookslikeahugewater­coveredg______.5.Thetalkbetweenthetwocountrieswentoninafriendlya______.6.Theancientbuilding______(存在)inthecityhundredsofyearsago.7.Withsomanyproblemsarisingthe______(制度)shouldbeimproved.8.Theboylikesstudyingtheuniverseandhewantstochoose______(天文学)ashismajor.9.Thepolicesayarmedrobberyisthefastest­rising______(暴力的)crime.10.Asiswellknownfreshairis______(基本的)togoodhealth.二、用方框内所给短语的适当形式填空intimebeharmfultogivebirthtoinone'sturnprevent...from...layeggsbepuzzledaboutcomeintoexistence1.Doyouknowthatcrocodilesreproduceby____________________________?2.Duringthecaraccidenthewas____________toescapefromthecarwithoutbeinghurt.3.Nomatterwhatwillhappennothingandnobodycan______theplan______beingcarriedout.4.Readingindimlight____________youreyes.5.Shelostheartsinceshefailedintheexam.She____________herfuture.Shehadnoideawhattodonext.6.Scientistshavemanytheoriesabouthowtheuniversefirst____________.7.Afterthesecondcompetitorwentoffthestagemysonwentontothestagetoperform____________.8.Hetoldushappilythathiswifewould____________ababythenextweekandthathewouldbeafather.三、单句语法填空1.Peoplecan'taffordexpensivethings______thepricesofdailygoodsgoingup.2.That'sthebestwayyouthoughtof______(stop)peoplegettingintodangerousareas.3.ThetopleadersofG20arediscussingtheglobalproblems______afriendlyatmosphere.4.Pleaseremember______winsyourespectisnotyourbackgroundandappearancebutyourknowledgeandvirtues.5.Asthebusiestwoma