2016-2017学年高中英语 Unit 4 Astronomy the science of the stars Section Ⅲ Learning about Language &Using Language学业分层测评 新人教版必修3

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1、Unit4AstronomythescienceofthestarsSectionⅢLearningaboutLanguage&UsingLanguageⅠ.单句语法填空1．Pakistancameinto(exist)asanindependentcountryafterthewar.2．Shewasalways(gently)withthechildreninthekindergarten，neverhittingorscoldingthem.3．Asweallknow，QianXuesenisafamous(physical)intheworld.4．Afteralongj

2、ourney，thechildrenwereall(exhaust)．5．Theyoungwomanwasinterestedin(biologist)whenshewasintheuniversity.6．Thetrain(pull)intothestationandthepassengersgotoffonebyone.7．Agreatdustcloudformedintheskyblockingthesunlight.8．Thedoctortoldhertowatchoutthesymptomsofmeasles.9．Thefanscheeredwhentheysawthe

3、irfavoritestar.10．Howthebigforestfirehasbrokenremainstobeamystery.【答案】　1.existence　2.gentle　3.physicist4．exhausted　5.biology　6.pulled　7.out　8.for9．up　10.outⅡ.完成句子1．这本词典不如你想象的那样有用。Thisdictionaryisyouthink.2．当习主席出现时，所有的学生都高兴起来。WhenChairmanXiturnedup，allthestudents．3．既然你已是个大学生了，就应当学着独立。，youshoul

4、dlearntobeindependent.4．她买了能挡住光线的厚窗帘。Sheboughtaheavycurtainthelight.5．我们的新图书馆是旧图书馆的四倍大。Ournewlibraryistheoldone.【答案】　1.notas/sousefulas　2.cheeredup　3.Nowthatyouareacollegestudent　4.toblockout　5.fourtimeslargerthanⅢ.阅读理解6AAgainstthesuppositionthatforestfiresinAlaska,CanadaandSiberiawarmtheclim

5、ate,scientistshavediscoveredthatcoolingmayoccurinareaswhereburnttreesallowmoresnowtomirrormoresunlightintospace.Thisfindingsuggeststhattakingstepstopreventnorthernforestfirestolimitthereleaseofgreenhousegasesmaywarmtheclimateinnorthernregions.Usuallylargefiresdestroyedforestsintheseareasovert

6、hepastdecade.Scientistspredictthatwithclimatewarming，firesmayoccurmorefrequentlyoverthenextseveralcenturiesasaresultofalongerfireseason.Sunlighttakeninbytheearthtendstocausewarming，whileheatmirroredbackintospacetendstocausecooling.Thisisthefirststudytoanalyzeallaspectsofhownorthernfiresinflue

7、nceclimate.Earlierstudiesbyotherscientistshadsuggestedthatfiresinnorthernregionsspedupclimatewarmingbecausegreenhousegasesfromburningtreesandplantswerereleasedintotheatmosphereandthustrappedheat.Scientistsfoundthatrightafterthefire，largeamoun