限时规范练14Unit4Astronomythescienceofthestars核心素养关键词:培养学生人与科学、关注前沿科技的素养能力意识一、阅读理解ASomenewcometshavebeendiscoveredaccidentallybyamateurastronomers.Surprisinglyafewbrightcometshavebeendiscoveredwiththenakedeye(肉眼)bymembersofthegeneralpublic.However,agreatnumberofcometsarefoundbycomethunterscarryingouttelescopesearchesofchosenareasofthenightsky.AsthemovementofallcometsisdirectedaroundtheSunandbecausethesebodiesbrightenastheymovetowardstheSun,thereisagreaterpossibilityforthediscoveryofanewcometintheskiestowardstheSunratherthanawayfromtheSun’sdirection.Thismeansthatsearchesshouldbeputonthewesternskyaftereveninglightandontheeasternskybeforemorninglight.Fromtheastronomicalpointthereisnotimeduringtheyearwhichisthebestforthediscoveryofnewcomets.AsearchcanbedoneatanytimeprovidingthereisnobrightMoon.Studiesdoneonthediscoveryconditionsofcometsdiscoveredbeforeshowthatmorecometshavebeendiscoveredinthemorningskythanintheeveningsky.Thusthesmartcomethuntershouldmakesurethatmorningactivityreceivesasmuchasifnotmoreattentionthaneveningeffort.Inrecenttimes,theuseofadvancedCCDtechnologytodiscoverobjectsclosetotheEarthwillinthefuturegreatlyreducethechancesofnewcometsbeingfoundwithsmalltelescopes.AnexampleofthenewtechnologyistheverysuccessfulLINEARprogramoperatinginNewMexico.However,untilasimilarsystemisbasedinthesouthernhalfoftheEarththerewillcontinuetobechancesforthediscoveryofnewcometswhichcomefromthesouth.1.Whatarecomethuntersadvisedtodo?A.LookawayfromtheSun.B.Staywherethere’sbrightlight.C.Facethewesternskyinthedaytime.D.Turntotheeastintheearlymorning.2.Whatdoweknowaboutthetimeforthediscoveryofnewcomets?A.Dayswhenthey’reclosetotheEartharegreatchances.B.Certainfixeddaysarebestforwatchingcomets.C.Everydayisthesameifthere’snobrightMoon.D.DayswiththeMoonshouldneverbemissed.3.Whichofthefollowingisasmartideaforcomethunters?A.Payingmoreattentioninthemorningthanintheafternoon.B.Beingequallyseriousbothinthemorningandafternoon.C.Beingmorerelaxedinthemorningthanintheafternoon.D.Formingahabitofworkingonlyinthemorning.4.WhatcanbeinferredabouttheCCDtechnology?A.It’ssimilartoatelescope.B.It’lldisappointcomethunters.C.It’sspreadingallovertheworld.D.It’llmakecomethuntersfeellucky.BItdoesn’tmatterhowyouchoosetoliveyourlife—whateveryoudo,someonewilljudgeyou.Withthatinmind,let’stalkaboutbeingjudgedandcriticized.WhenIstartedwriting,itwasn’tthehurtfulcriticismfromreadersthatpreventedmefromgettingstarted.ItwasmyworriesaboutwhattheywouldthinkifIwroteaboutthethingsIcaredabout.IwrotemyideasinaprivatedocumentforayearbeforeIworkedupthecouragetostartsharingthempublicly.Usually,haterssimplycriticizeandmoveon.Andthatmeansthatyoucansafelyignorethemandcontinuedoingyourthing.Butthatiseasiersaidthandonebecauseweallliketobevalidated.Somepeoplelikeitmorethanothers,buteveryonewantstoberespectedandappreciatedtosomedegree.Icertainlydo.IknowthatwheneverIchoosetotakeariskandsharemyworkwiththeworld,Iwonderabouthowthepeoplearoundmewillseemebecauseofthatchoice.Willthishelpmyfame?Willthishurtmyfame?ShouldIevenbeworryingaboutmyfame?Finally,Idecidedthatitwasmoreimportanttocontributesomethingtotheworldthanitwastoprotectmyselffromcriticism.Thetruthaboutcriticismisthatit’salmostalwaysinyourhead.Itisnaturalformostpeopletoholdontonegativecriticism.Accordingtoaresearchpapertitled“BadIsStrong...
