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The United States In 1782 【51】 the United States won its independ...
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ThedoctorsaidthatIhadtoeliminatealcohol.
{{*HTML*}} ??????? ???????{{B}}DarkForcesDominate Universe{{/B}}??TheEarthmoonsunandallvisiblestarsinthe skymakeuplessthanonepercentoftheuniverse.Almostalltherestisdark matteranddarkenergyunknown{{U}}?1?{{/U}}thatpuzzle astronomers.??Observationsinrecentyearshavechangedthebasic understandingofhowtheuniverseevolvedandhaveemphasizedforastronomers howlittleisknown{{U}}?2?{{/U}}themajorforcesandsubstancesthat shapedourworld:??Astronomersnowknowthatluminous matter-starsplanetsandhotgas—{{U}}?3?{{/U}}onlyabout0.4per centoftheuniverse.Non.luminouscomponentssuchasblackholesand intergalacticgasmakeup3.6percent.Therestiseitherdarkmatterabout 23percentordarkenergyabout73percent.??Darkmatter sometimescalledcolddarkmatterhasbeenknownforsome{{U}}?4 ?{{/U}}.Onlyrecentlyhaveresearcherscometounderstandthepivotalrole it{{U}}?5?{{/U}}intheformationofstarsplanetsandeven people.??Weoweourveryexistencetodarkmattersaid physicistPaulSteinhardtandaco-authorofareviewondarkmatterwhich appearednotlong{{U}}?6?{{/U}}inthejournalScience.? ?SteinhardtsaiditisbelievedthatfollowingtheBigBangthe theoretical{{U}}?7?{{/U}}oftheuniversedarkmattercausedparticles toclumptogether.Thatsetupthegravitationprocessesthatledtothe formationofstarsandgalaxies.Thosestarsinturncreatedthebasic chemicalssuchascarbonandironthatwere{{U}}?8?{{/U}}tothe evolutionoflife.??Darkmatterdominatedtheformationof structureintheearlyuniverse.Steinhardtsaid.Forthefirstfewbillion yearsdarkmattercontained{{U}}?9?{{/U}}ofthemassoftheuniverse. YoucanthinkofordinarymatterasafrothofanOceanofdarkmatter.Thedark matterclumpsandtheordinarymatterfallsintoit.Thatledtothe{{U}} ?10?{{/U}}ofthestarsandgalaxies.??Withoutdark matterthere{{U}}?11?{{/U}}bevirtuallynostructuresinthe universe.??Thenatureofdarkmatteris{{U}}?12 ?{{/U}}.Itcannotbeseenordetected{{U}}?13?{{/U}}Astronomers knowitistherebecauseofitseffectoncelestialobjectsthancanbeseenand measured.??Butthemostdominatingforceof{{U}}?14 ?{{/U}}intheuniverseiscalleddarkenergy.Arecentlyprovenpowerthat astronomerssayiscausingthegalaxiesintheuniversetoseparateatafaster andfasterspeed.??Onescientistsaiditisclearnow{{U}} ?15?{{/U}}darkmatteranddarkenergyengagedinagravitationaltug ofwarthateventuallydarkenergywon.??intergalacticadj. 银河间的??????gravitationn. 地心吸力万有引力??pivotaladj.关键的举足轻重的???? frothn.泡沫??celestialadj.天体的??clumpv. 凝聚成块
Ifallthetopicsareinterestingyouareadvisedtochoosetheonethathasnecessaryinformationandiseasytogetthebasicresourcesyouwillneedinthelibrary.
第三篇 RightandWrong Supposeyouworkinalibrarycheckingpeople’sbooksastheyleaveandafriendasksyoutolethimsteelahard-to-findreferencebookthathewantstoown Youmighthesitatetoagreeforvariousreasons.Youmightbeafraidthathe’llbecaughtandthatbothyouandhewillthengetintotrouble.Youmightwantthebooktostayinthelibrarysothatyoucanreadityourself. Butyoumayalsothinkthatwhatheproposesiswrong—thatheshouldn’tdoitandyoushouldn’thelphim.Ifyouthinkthatwhatdoesitmeanandwhatifanythingmakesittrue? Tosayit’swrongisnotjusttosayit’sagainsttherules.Therecanbebadruleswhichstopwhatisn’twrong—likeacompanyruleagainstcriticizingtheboss.Arulecanalsobebadbecauseitrequiressomethingthatiswrong---likealawthatlooksdownuponblackpeopleinhotelsandrestaurants.Theideasofwrongandrightaredifferentfromtheideasofwhatisandisnotagainsttherules. Ifyouthinkitwouldbewrongtohelpyourfriendstealthebookthenyouwillfeeluncomfortableaboutdoingit:insomewayyouwon’twanttodoitevenifyouarealsounwillingtorefusetohelpafriend.Wheredoesthedesirenottodoitcomefrom?Whatisitsmotivebehindit? Therearevariouswaysinwhichsomethingcanbewrongbutinthiscaseifyouhadtoexplainityou’dprobablysaythatitwouldbeunfairtootherusersofthelibrary.Theymaybejustasinterestedinthebookasyourfriendisbutreaditinthereferenceroomwhereanyonewhoneedsitcanfindit. Thesethoughtshavetodealwitheffectsonothers–notnecessarilyeffectsontheirfeelingssincetheymayneverfindoutaboutitbutsomekindofdamage.Ingeneralthethoughtthatsomethingiswrongdependsonitsimpactnotjustonthepersonwhodoesitbutonotherpeople.
{{*HTML*}} ??????? ???????{{B}}DarkForcesDominate Universe{{/B}}??TheEarthmoonsunandallvisiblestarsinthe skymakeuplessthanonepercentoftheuniverse.Almostalltherestisdark matteranddarkenergyunknown{{U}}?1?{{/U}}thatpuzzle astronomers.??Observationsinrecentyearshavechangedthebasic understandingofhowtheuniverseevolvedandhaveemphasizedforastronomers howlittleisknown{{U}}?2?{{/U}}themajorforcesandsubstancesthat shapedourworld:??Astronomersnowknowthatluminous matter-starsplanetsandhotgas—{{U}}?3?{{/U}}onlyabout0.4per centoftheuniverse.Non.luminouscomponentssuchasblackholesand intergalacticgasmakeup3.6percent.Therestiseitherdarkmatterabout 23percentordarkenergyabout73percent.??Darkmatter sometimescalledcolddarkmatterhasbeenknownforsome{{U}}?4 ?{{/U}}.Onlyrecentlyhaveresearcherscometounderstandthepivotalrole it{{U}}?5?{{/U}}intheformationofstarsplanetsandeven people.??Weoweourveryexistencetodarkmattersaid physicistPaulSteinhardtandaco-authorofareviewondarkmatterwhich appearednotlong{{U}}?6?{{/U}}inthejournalScience.? ?SteinhardtsaiditisbelievedthatfollowingtheBigBangthe theoretical{{U}}?7?{{/U}}oftheuniversedarkmattercausedparticles toclumptogether.Thatsetupthegravitationprocessesthatledtothe formationofstarsandgalaxies.Thosestarsinturncreatedthebasic chemicalssuchascarbonandironthatwere{{U}}?8?{{/U}}tothe evolutionoflife.??Darkmatterdominatedtheformationof structureintheearlyuniverse.Steinhardtsaid.Forthefirstfewbillion yearsdarkmattercontained{{U}}?9?{{/U}}ofthemassoftheuniverse. YoucanthinkofordinarymatterasafrothofanOceanofdarkmatter.Thedark matterclumpsandtheordinarymatterfallsintoit.Thatledtothe{{U}} ?10?{{/U}}ofthestarsandgalaxies.??Withoutdark matterthere{{U}}?11?{{/U}}bevirtuallynostructuresinthe universe.??Thenatureofdarkmatteris{{U}}?12 ?{{/U}}.Itcannotbeseenordetected{{U}}?13?{{/U}}Astronomers knowitistherebecauseofitseffectoncelestialobjectsthancanbeseenand measured.??Butthemostdominatingforceof{{U}}?14 ?{{/U}}intheuniverseiscalleddarkenergy.Arecentlyprovenpowerthat astronomerssayiscausingthegalaxiesintheuniversetoseparateatafaster andfasterspeed.??Onescientistsaiditisclearnow{{U}} ?15?{{/U}}darkmatteranddarkenergyengagedinagravitationaltug ofwarthateventuallydarkenergywon.??intergalacticadj. 银河间的??????gravitationn. 地心吸力万有引力??pivotaladj.关键的举足轻重的???? frothn.泡沫??celestialadj.天体的??clumpv. 凝聚成块
Theretiredcouplelivedalifeofease.
Paragraph3_________.
Shewasoneoftheleadingwritersofherday.
ThenumberofUnitedStatescitizenswhoareeligibletovotecontinuestoincrease.
Anexcitingandoriginaltopicmustbeanytwointerestscombined.
Besidesbuyingandproducingservicesgovernmentsalso_________.
Thegovernmentmayreducetaxesinarecessioninorderto_________.
Paragraph5_________.
Yourreasonsforrefusingtohelparequitevague.
Thepassageismostlikelywrittenforresearchers.
Whatweretheeffectsofthedecisionshemade?
EndangeredSpecies Endangeredspeciesareplantsandanimalsthatareinimmediatedangerofextinction.Extinctionisactuallyanormalprocessinthecourseofevolution.Sincetheformationoftheearthmanymorespecieshavebecomeextinctthanthoseexisttoday.Thesespeciesslowlydisappearedbecauseofchangeofclimateandtheirfailuretoadapttosuchconditionsascompetitionandpredation.Sincethe1600showevertheprocessofextinctionhasgreatlyacceleratedasaresultofbothhumanpopulationgrowthandtechnologicalencroachmentonnaturalecologysystems.Todaythemajorityoftheworld’senvironmentsarechangingfasterthantheabilityofmostspeciestoadapttosuchchangesthroughnaturalselection. Speciesbecomeextinctorendangeredfornumberofreasonsbuttheprimarycauseisthedestructionofnaturalhabitats.Drainageofwetlandscuttingandclearingofforestsgrowthofcitiesandhighwayanddamconstructionhaveseriouslyreducedavailablenaturalhabitats.Asthevarioussurroundingsbecomefragmentstheremaininganimalpopulationcrowdintosmallerareascausingfurtherdestructionofnaturalsurroundings.Speciesinthesesmallislandslosecontactwithotherpopulationsoftheirextinction. Someprivateandgovernmenteffortshavebeenorganizedtosavedecliningspecies.Lawsweremadeinsomecountriesintheearly1900stoprotectwildanimalsfromcommercialtradeandkilling.InternationalendeavorsareshownintheconventiononInternationalTradeinEndangeredSpeciesapprovedby51nations.Itspurposeistorestrictexploitationofwildanimalsandplantsbyregulatingandrestrictingtradeincertainspecies.Howeffectivesuchlawswillbeinvariouscountrieshoweverdependsonenforcementandsupportbythepeopleandthecourts.Becauseoflackoflawenforcementthewillingnessofsomesegmentsofsocietytotradeinendangeredspeciestheactivitiesofpeoplewhocatchandkillanimalsillegallyanddealerswhosupplythetradethefutureofmanyspeciesisindoubtinspiteoflegalprotection.
Accordingtothepassagewhichofthefollowingismostimportantinsavingdecliningspecies?
WhichofthefollowingisNOTamongthetypicalwaysofgreetingsinthepast?
Whichofthefollowingstatementsdoestheauthorseemmostlikelytoagreewith?
InthesentenceWhatisitsmotivebehindit?Paragraph5itrefersto
Whichofthefollowingstatementsistrueaccordingtothepassage?
Theenvironmentalistsadvocatedbetterprotectionoftheearth.
{{*HTML*}} ??????? ???????{{B}}DarkForcesDominate Universe{{/B}}??TheEarthmoonsunandallvisiblestarsinthe skymakeuplessthanonepercentoftheuniverse.Almostalltherestisdark matteranddarkenergyunknown{{U}}?1?{{/U}}thatpuzzle astronomers.??Observationsinrecentyearshavechangedthebasic understandingofhowtheuniverseevolvedandhaveemphasizedforastronomers howlittleisknown{{U}}?2?{{/U}}themajorforcesandsubstancesthat shapedourworld:??Astronomersnowknowthatluminous matter-starsplanetsandhotgas—{{U}}?3?{{/U}}onlyabout0.4per centoftheuniverse.Non.luminouscomponentssuchasblackholesand intergalacticgasmakeup3.6percent.Therestiseitherdarkmatterabout 23percentordarkenergyabout73percent.??Darkmatter sometimescalledcolddarkmatterhasbeenknownforsome{{U}}?4 ?{{/U}}.Onlyrecentlyhaveresearcherscometounderstandthepivotalrole it{{U}}?5?{{/U}}intheformationofstarsplanetsandeven people.??Weoweourveryexistencetodarkmattersaid physicistPaulSteinhardtandaco-authorofareviewondarkmatterwhich appearednotlong{{U}}?6?{{/U}}inthejournalScience.? ?SteinhardtsaiditisbelievedthatfollowingtheBigBangthe theoretical{{U}}?7?{{/U}}oftheuniversedarkmattercausedparticles toclumptogether.Thatsetupthegravitationprocessesthatledtothe formationofstarsandgalaxies.Thosestarsinturncreatedthebasic chemicalssuchascarbonandironthatwere{{U}}?8?{{/U}}tothe evolutionoflife.??Darkmatterdominatedtheformationof structureintheearlyuniverse.Steinhardtsaid.Forthefirstfewbillion yearsdarkmattercontained{{U}}?9?{{/U}}ofthemassoftheuniverse. YoucanthinkofordinarymatterasafrothofanOceanofdarkmatter.Thedark matterclumpsandtheordinarymatterfallsintoit.Thatledtothe{{U}} ?10?{{/U}}ofthestarsandgalaxies.??Withoutdark matterthere{{U}}?11?{{/U}}bevirtuallynostructuresinthe universe.??Thenatureofdarkmatteris{{U}}?12 ?{{/U}}.Itcannotbeseenordetected{{U}}?13?{{/U}}Astronomers knowitistherebecauseofitseffectoncelestialobjectsthancanbeseenand measured.??Butthemostdominatingforceof{{U}}?14 ?{{/U}}intheuniverseiscalleddarkenergy.Arecentlyprovenpowerthat astronomerssayiscausingthegalaxiesintheuniversetoseparateatafaster andfasterspeed.??Onescientistsaiditisclearnow{{U}} ?15?{{/U}}darkmatteranddarkenergyengagedinagravitationaltug ofwarthateventuallydarkenergywon.??intergalacticadj. 银河间的??????gravitationn. 地心吸力万有引力??pivotaladj.关键的举足轻重的???? frothn.泡沫??celestialadj.天体的??clumpv. 凝聚成块
Inthelastsentenceofthesecondparagraphthewordislandsrefersto
Fieldsneighboringthenuclearplantarehigherthanregularlevelsofradioactivity.
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