课时作业(八)CulturalCorner&WritingⅠ.单词拼写1．Thatshowedhispolitical________(生涯)wasatanend.2．Wehada________(简短的)conversationinahurryandthenseparated.3．Abomb________(爆炸)nearasupermarketshockedthepeopleinit.4．Ihavesomething____________(私人的)totellyou.5．She____________(毕业)fromanAmericancollege.6．The____________(遇难者)oftheexplosionwereburiedlastweek.7．Sheis________(才华横溢的)butherworklacksorganization.8．Stayinguplatemakeshimathisworstintermsof________(身体的)situation.9．Lighttravelsin________(直的)lines.10．Hebrokedownthelockeddoorand________(逃跑)．Ⅱ.单项填空1．Theflyingbirdisluckyenoughtoescape________bythehiddennetthefarmerspreadoverthefields.A．catchingB．fromcatchingC．caughtD．beingcaught2．Thecustomerdidn'tchoose________ofthecoatsandwentawaywithoutlookingatathirdone.A．bothB．allC．anyD．either3．(2013·锦州高一检测)He________fortenyears.A．hasbeeninpowerB．hascometopowerC．hastakenofficeD．cameintooffice4．You'llsurelyseeyourimprovementifyoukeepyourattention________tothestudy.A．payingB．paidC．paysD．beingpaid5．Lieonyourbackandliftbothfeettogetherintotheair，keepingyourknees________.A．directlyB．straightlyC．directD．straight6．Inthepast，he________hislivingbycarryingbrickstenhoursaday.A．didB．earnedC．tookD．brought7．Peoplefromallthecornerscametothecity，________itverycrowded.A．tomakeB．andmakingC．madeD．making8．Thefusehasburnedtotheend，andthebombisgoingto________.Let'sgetfurtheraway.A．exposeB．explodeC．expressD．explore9．Ifyoulookatthebeginningofthebook，you'llfinda________introductionbythewriter.A．simpleB．dullC．briefD．easy10．Shesaidshewasgladthedifficultyhadbeen________.A．clearedawayB．clearedupC．brokenawayD．brokendownⅢ.阅读理解AEdmondHalleywasanEnglishscientistwholivedover200yearsago.Hestudiedtheobservationsofcometswhichotherscientistshadmade.Theorbitofoneparticularcometwasaverydifficultmathematicalproblem.Hecouldnotworkitout.Neithercouldotherscientistswhodealtwithsuchproblems.However，HalleyhadafriendnamedIsaacNewton，whowasabrilliantmathematician.Newtonthoughthehadalreadyworkedoutthatproblem，buthecouldnotfindthepapersonwhichhehaddoneit.HetoldHalleythattheorbitofacomethadtheshapeofanellipse.ThenHalleysettowork.Hefiguredouttheorbitsofsomeofthecometsthathadbeenobservedbyscientists.Hemadeasurprisingdiscovery.Thecometsthathadappearedintheyears1531,1607and1682allhadthesameorbit.Yettheirappearanceshadbeen75to76yearsapart.ThisseemedverystrangetoHalley.Threedifferentcometsfollowedthesameorbit.ThemoreHalleythoughtaboutit，themorehethoughtthattherehadnotbeenthreedifferentcometsaspeoplethought.Hedecidedthattheyhadsimplyseenthesamecometthreetimes.Thecomethadgoneawayandhadcomebackagain.Itwasanastonishingidea!Halleyfeltcertainenoughtomakeapredictionofwhatwouldhappeninthefuture.Hedecidedthatthiscometwouldappearintheyear1758.Therewas53yearstogobeforeHalley'spredictioncouldbetested.In1758thecometappearedinthesky.Halleydidnotseeit，forhehaddiedsomeyearsbefore.EversincethenthatcomethadbeencalledHalley'sCometinhishonor.1．Halleyfiguredouttheorbitof________.A．somedifferentcometsappearingseveraltimesB．thesamecometappearingatdifferenttimesC．threedifferentcometsappearingthreetimesD．severalcometsappearingatthesametime2．Halleymadehisdiscovery________.A．bydoingexperimentsB．bymeansofhisowncarefulobservationC．byusingtheworkofotherscie...
