高中英语astronomythescienceofthestarssectionⅱwarmingup&reading_languagepoints课时作业新人教版

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1、Unit4　Astronomy:thescienceofthestarsSectionⅡ　WarmingUp&Reading－LanguagePointsⅠ.单句语法填空1．Smokingisharmful(harm)toyourhealth,soyoushouldgiveituporatleastcutdownonit.2．Therearelotsofreligions(religious)intheworldandeveryonehastherighttobelieveinthem.3．Thereareagreatnumb

2、erofdifferenttheories(theory)aboutlearningstylesthroughouttheworld.4．Whatmakesthethingsworseisthathehaslosthispatience.5．Thenewlawmakesitpossibleforustogetmorechancesinthecountry.6．Insummerthehousewillbetoohotfortheoldmanto_live(live)in.7．Socialattentionshouldbepaid

3、topreventingourearthfrombeing_polluted(pollute)．8．Thewindwassoviolent(violence)thatseveralbigtreeswereblowndownbyit.9．Tomisunlike(like)hisbrother,Tony.Heisoutgoing,whileTonyisshy.10．ThefouryearoldRussiangirlhasdrawnglobal(globe)attentionforhergreatgiftforlanguages.Ⅱ

4、.阅读理解Americanresearchersaremakingfinalplanstosendaspaceshipintospaceforapossiblemeetingwithanasteroid(小行星).ThespaceshipiscalledOSIRISRex.Itissixmeterslongandshapedlikeaman'sbowtie(蝶形领结).TheasteroidiscalledBennu.ItislargerthantheEmpireStateBuildinginNewYorkCity.Bennu

5、weighsabout60milliontonsandistravelingataspeedofmorethan100,000kilometersanhour.ThehugespacerockisgettingclosertoEarth.Itcomesascloseas500,000kilometerstotheplaneteverysixyears.ResearcherswanttotakeacloselookatBennubecauseitisconsideredoneofthemostdangerousasteroids

6、inoursolarsystem.TheAmericanspaceagency,NASA,willstartitsresearchnextmonth.TheplanistoputOSIRISRexinorbit(轨道)aroundBennuinabouttwoyears.ThespacecraftwillnotlandonBennu,butwillmakecontact(接触)withtheasteroidforaboutfiveseconds.Atthattime,apartofthespacecraftwillgather

7、about60gramsofmaterialfromBennu'ssurface.AllofthatmaterialwillreturntotheearthinsidesomethingcalledSRC.ItisexpectedtolandintheUtahdesertinSeptemberof2023.ScientistswanttolearnasmuchaspossibleaboutBennubecauseofthedangeritcouldcausetoourplanet.Theasteroid“hasaquitehi

8、ghpossibilityofnegativelyinfluencingtheEarth”inlessthan200years,accordingtoaNASAstatement.AnotherthingthatmakesBennudangerousisitspatharou