【MOOC】大学英语(二)-河北科技大学 中国大学慕课MOOC答案

【MOOC】大学英语(二)-河北科技大学中国大学慕课MOOC答案随堂测验1、【填空题】Schoolsandeducatorsareexpectedtofacilitatestudents’whole-persondevelopmentandpreparethemfor__________.本题答案：【lifelonglearning】2、【填空题】ForConfucius,thegoalofeducationistobecomefullhumanbeingswholearnandpursuetheConfucian__________（核心价值观）,cultivatethem,andpracticethemintheday-to-daylives.本题答案：【corevalues】3、【填空题】IntheUNESCOreport,“__________”impliesobtainingthebasicknowledgeandthecapabilityonlifelonglearning.本题答案：【Learningtoknow】4、【填空题】Wewillimprove__________（继续教育）,stepupeffortstobuildalearningsociety,andpromotethewell-roundeddevelopmentofallourpeople.本题答案：【continuingeducation】5、【填空题】Weshouldbegoodatlearning.WewillfosterastrongatmosphereoflearningandpracticingintheParty,andbuildourPartyintoa__________（马克思主义学习政党）.Wewillnurturealoveoflearninginourpeople.本题答案：【Marxistlearningparty】随堂测验1、【填空题】The_________systemincreasedthepayrolltax,butonlymodestlyatfirst.本题答案：【1.medicare】2、【填空题】Theskyoverthecitywasoverspreadwithaheavy________.本题答案：【smog】3、【填空题】Severalhundredpeople_________aroundtheballroomdancefloor.本题答案：【twirl】4、【填空题】Fromtheexamplesabove,the______isrevealingweatherpatternswehaveneverseenbefore.本题答案：【lidar】5、【填空题】Iheardthatanew_________iscomingatthenextseason.本题答案：【sitcom】随堂测验1、【单选题】Readthefollowingpassageandgivethebestanswertoeachquestionwiththeinformationyouhavegotfromthepassage.Communicationtechnologiesarefarfromequalwhenitcomestoconveyingthetruth.Thefirststudytocomparehonestyacrossarangeofcommunicationsmediahasfoundthatpeoplearetwiceaslikelytotellliesinphoneconversationsastheyareinemails.Thefactthatemailsareautomaticallyrecorded–andcancomebacktohauntyou–appearstobethekeytothefinding.JeffHancockofCornellUniversityinIthaca,NewYork,asked30studentstokeepacommunicationsdiaryforaweek.Inittheynotedthenumberofconversationsoremailexchangestheyhadlastingmorethan10minutes,andconfessedtohowmanyliestheytold.Hancockthenworkedoutthenumberofliesperconversationforeachmedium.Hefoundthatliesmadeup14percentofemails,21percentofinstantmessages,27percentofface-to-faceinteractionsandanastonishing37percentofphonecalls.Hisresults,tobepresentedattheconferenceonhuman-computerinteractioninVienna,Austria,inApril,havesurprisedpsychologists.Someexpectedemailerstobethebiggestliars,reasoningthatbecausedeceptionmakespeopleuncomfortable,thedetachmentofemailingwouldmakeiteasiertolie.Othersexpectedpeopletoliemoreinface-to-faceexchangesbecausewearemostpractisedattheformofcommunication.ButHancocksaysitisalsocrucialwhetheraconversationisbeingrecordedandcouldbereread,andwhetheritoccursinrealtime.Peopleappeartobeafraidtoliewhentheyknowthecommunicationcouldlaterbeusedtoholdthemtoaccount,hesays.Thisiswhyfewerliesappearinemailthanonthephone.Peoplearealsomorelikelytolieinrealtime–inaninstantmessageorphonecall,say–thaniftheyhavetimetothinkofaresponse,saysHancock.Hefoundmanyliesarespontaneousresponsestoanunexpecteddemand,suchas:“Doyoulikemydress?”Hancockhopeshisresearchwillhelpcompaniesworkoutthebestwaysfortheiremployeestocommunicate.Forinstance,thephonemightbethebestmediumforsaleswhereemployeesareencouragedtostretchthetruth.Butgivenhisresults,workassessment,wherehonestisapriority,mightbebestdoneusingemail.Hancock’sstudyfocuseson________.本题答案：【people’shonestylevelsacrossarangeofcommunicationsmedia】2、【单选题】Readthefollowingpassageandgivethebestanswertoeachquestionwiththeinformationyouhavegotfromthepassage.Communicationtechnologiesarefarfromequalwhenitcomestoconveyingthetruth.Thefirststudytocomparehonestyacrossarangeofcommunicationsmediahasfoundthatpeoplearetwiceaslikelytotellliesinphoneconversationsastheyareinemails.Thefactthatemailsareautomaticallyrecorded–andcancomebacktohauntyou–appearstobethekeytothefinding.JeffHancockofCornellUniversityinIthaca,NewYork,asked30studentstokeepacommunicationsdiaryforaweek.Inittheynotedthenumberofconversationsoremailexchangestheyhadlastingmorethan10minutes,andconfessedtohowmanyliestheytold.Hancockthenworkedoutthenumberofliesperconversationforeachmedium.Hefoundthatliesmadeup14percentofemails,21percentofinstantmessages,27percentofface-to-faceinteractionsandanastonishing37percentofphonecalls.Hisresults,tobepresentedattheconferenceonhuman-computerinteractioninVienna,Austria,inApril,havesurprisedpsychologists.Someexpectedemailerstobethebiggestliars,reasoningthatbecausedeceptionmakespeopleuncomfortable,thedetachmentofemailingwouldmakeiteasiertolie.Othersexpectedpeopletoliemoreinface-to-faceexchangesbecausewearemostpractisedattheformofcommunication.ButHancocksaysitisalsocrucialwhetheraconversationisbeingrecordedandcouldbereread,andwhetheritoccursinrealtime.Peopleappeartobeafraidtoliewhentheyknowthecommunicationcouldlaterbeusedtoholdthemtoaccount,hesays.Thisiswhyfewerliesappearinemailthanonthephone.Peoplearealsomorelikelytolieinrealtime–inaninstantmessageorphonecall,say–thaniftheyhavetimetothinkofaresponse,saysHancock.Hefoundmanyliesarespontaneousresponsestoanunexpecteddemand,suchas:“Doyoulikemydress?”Hancockhopeshisresearchwillhelpcompaniesworkoutthebestwaysfortheiremployeestocommunicate.Forinstance,thephonemightbethebestmediumforsaleswhereemployeesareencouragedtostretchthetruth.Butgivenhisresults,workassessment,wherehonestisapriority,mightbebestdoneusingemail.Hancock’sresearchfindingsurprisedthosewhobelievedthat________.本题答案：【peoplearemostlikelytolieinemailcommunication】3、【单选题】Readthefollowingpassageandgivethebestanswertoeachquestionwiththeinformationyouhavegotfromthepassage.Communicationtechnologiesarefarfromequalwhenitcomestoconveyingthetruth.Thefirststudytocomparehonestyacrossarangeofcommunicationsmediahasfoundthatpeoplearetwiceaslikelytotellliesinphoneconversationsastheyareinemails.Thefactthatemailsareautomaticallyrecorded–andcancomebacktohauntyou–appearstobethekeytothefinding.JeffHancockofCornellUniversityinIthaca,NewYork,asked30studentstokeepacommunicationsdiaryforaweek.Inittheynotedthenumberofconversationsoremailexchangestheyhadlastingmorethan10minutes,andconfessedtohowmanyliestheytold.Hancockthenworkedoutthenumberofliesperconversationforeachmedium.Hefoundthatliesmadeup14percentofemails,21percentofinstantmessages,27percentofface-to-faceinteractionsandanastonishing37percentofphonecalls.Hisresults,tobepresentedattheconferenceonhuman-computerinteractioninVienna,Austria,inApril,havesurprisedpsychologists.Someexpectedemailerstobethebiggestliars,reasoningthatbecausedeceptionmakespeopleuncomfortable,thedetachmentofemailingwouldmakeiteasiertolie.Othersexpectedpeopletoliemoreinface-to-faceexchangesbecausewearemostpractisedattheformofcommunication.ButHancocksaysitisalsocrucialwhetheraconversationisbeingrecordedandcouldbereread,andwhetheritoccursinrealtime.Peopleappeartobeafraidtoliewhentheyknowthecommunicationcouldlaterbeusedtoholdthemtoaccount,hesays.Thisiswhyfewerliesappearinemailthanonthephone.Peoplearealsomorelikelytolieinrealtime–inaninstantmessageorphonecall,say–thaniftheyhavetimetothinkofaresponse,saysHancock.Hefoundmanyliesarespontaneousresponsestoanunexpecteddemand,suchas:“Doyoulikemydress?”Hancockhopeshisresearchwillhelpcompaniesworkoutthebestwaysfortheiremployeestocommunicate.Forinstance,thephonemightbethebestmediumforsaleswhereemployeesareencouragedtostretchthetruth.Butgivenhisresults,workassessment,wherehonestisapriority,mightbebestdoneusingemail.Accordingtothepassage,whyarepeoplemorelikelytotellthetruththroughcertainmediaofcommunication?本题答案：【Theyareafraidofleavingbehindtracesoftheirlies】4、【单选题】Readthefollowingpassageandgivethebestanswertoeachquestionwiththeinformationyouhavegotfromthepassage.Communicationtechnologiesarefarfromequalwhenitcomestoconveyingthetruth.Thefirststudytocomparehonestyacrossarangeofcommunicationsmediahasfoundthatpeoplearetwiceaslikelytotellliesinphoneconversationsastheyareinemails.Thefactthatemailsareautomaticallyrecorded–andcancomebacktohauntyou–appearstobethekeytothefinding.JeffHancockofCornellUniversityinIthaca,NewYork,asked30studentstokeepacommunicationsdiaryforaweek.Inittheynotedthenumberofconversationsoremailexchangestheyhadlastingmorethan10minutes,andconfessedtohowmanyliestheytold.Hancockthenworkedoutthenumberofliesperconversationforeachmedium.Hefoundthatliesmadeup14percentofemails,21percentofinstantmessages,27percentofface-to-faceinteractionsandanastonishing37percentofphonecalls.Hisresults,tobepresentedattheconferenceonhuman-computerinteractioninVienna,Austria,inApril,havesurprisedpsychologists.Someexpectedemailerstobethebiggestliars,reasoningthatbecausedeceptionmakespeopleuncomfortable,thedetachmentofemailingwouldmakeiteasiertolie.Othersexpectedpeopletoliemoreinface-to-faceexchangesbecausewearemostpractisedattheformofcommunication.ButHancocksaysitisalsocrucialwhetheraconversationisbeingrecordedandcouldbereread,andwhetheritoccursinrealtime.Peopleappeartobeafraidtoliewhentheyknowthecommunicationcouldlaterbeusedtoholdthemtoaccount,hesays.Thisiswhyfewerliesappearinemailthanonthephone.Peoplearealsomorelikelytolieinrealtime–inaninstantmessageorphonecall,say–thaniftheyhavetimetothinkofaresponse,saysHancock.Hefoundmanyliesarespontaneousresponsestoanunexpecteddemand,suchas:“Doyoulikemydress?”Hancockhopeshisresearchwillhelpcompaniesworkoutthebestwaysfortheiremployeestocommunicate.Forinstance,thephonemightbethebestmediumforsaleswhereemployeesareencouragedtostretchthetruth.Butgivenhisresults,workassessment,wherehonestisapriority,mightbebestdoneusingemail.AccordingtoHancock,thetelephoneisapreferablemediumforpromotingsalesbecause________.本题答案：【salesmenmayfeellessrestrainedtoexaggerate】5、【单选题】Readthefollowingpassageandgivethebestanswertoeachquestionwiththeinformationyouhavegotfromthepassage.Communicationtechnologiesarefarfromequalwhenitcomestoconveyingthetruth.Thefirststudytocomparehonestyacrossarangeofcommunicationsmediahasfoundthatpeoplearetwiceaslikelytotellliesinphoneconversationsastheyareinemails.Thefactthatemailsareautomaticallyrecorded–andcancomebacktohauntyou–appearstobethekeytothefinding.JeffHancockofCornellUniversityinIthaca,NewYork,asked30studentstokeepacommunicationsdiaryforaweek.Inittheynotedthenumberofconversationsoremailexchangestheyhadlastingmorethan10minutes,andconfessedtohowmanyliestheytold.Hancockthenworkedoutthenumberofliesperconversationforeachmedium.Hefoundthatliesmadeup14percentofemails,21percentofinstantmessages,27percentofface-to-faceinteractionsandanastonishing37percentofphonecalls.Hisresults,tobepresentedattheconferenceonhuman-computerinteractioninVienna,Austria,inApril,havesurprisedpsychologists.Someexpectedemailerstobethebiggestliars,reasoningthatbecausedeceptionmakespeopleuncomfortable,thedetachmentofemailingwouldmakeiteasiertolie.Othersexpectedpeopletoliemoreinface-to-faceexchangesbecausewearemostpractisedattheformofcommunication.ButHancocksaysitisalsocrucialwhetheraconversationisbeingrecordedandcouldbereread,andwhetheritoccursinrealtime.Peopleappeartobeafraidtoliewhentheyknowthecommunicationcouldlaterbeusedtoholdthemtoaccount,hesays.Thisiswhyfewerliesappearinemailthanonthephone.Peoplearealsomorelikelytolieinrealtime–inaninstantmessageorphonecall,say–thaniftheyhavetimetothinkofaresponse,saysHancock.Hefoundmanyliesarespontaneousresponsestoanunexpecteddemand,suchas:“Doyoulikemydress?”Hancockhopeshisresearchwillhelpcompaniesworkoutthebestwaysfortheiremployeestocommunicate.Forinstance,thephonemightbethebestmediumforsaleswhereemployeesareencouragedtostretchthetruth.Butgivenhisresults,workassessment,wherehonestisapriority,mightbebestdoneusingemail.Itcanbeinferredfromthepassagethat________.本题答案：【suitablemediashouldbechosenfordifferentcommunicationpurposes】随堂测验1、【填空题】Intheuniversity,the__________encompassliterature,classics,ancientandmodernlanguages,history,philosophy,mediastudies,thefineandperformingarts,andotherrelatedsubjects.本题答案：【humanities】2、【填空题】InancientChineseculture,topromoteall-arounddevelopment,studentswererequiredtomastersixpracticaldisciplinescalled__________.本题答案：【theSixArts】3、【填空题】“Amanofvirtueisnota__________”,indicatingthataprofessionalandtechnicalpersoncannotbesimplycalled“Junzi”.本题答案：【device】4、【填空题】Tostudyhumanitiesgivesusanindependentpersonalityanda__________(生命的乐趣）towardstheworld.本题答案：【deepervision】5、【填空题】Humanitieseducationcancertainlyprovidestrongsupportforyoungtalentstofindthe__________andthegoalsoffuturestruggle.本题答案：【interestsoflife】随堂测验1、【填空题】Healthexpertsadvisepeoplewhohavebeenphysicallyinactivetohaveacompletephysical_________beforebeginninganewexerciseprogram.本题答案：【exam】2、【填空题】Thenonprofitgrouphadbeendevelopingdigitalscienceand_________booksforabouttwoyears.本题答案：【math】3、【填空题】“Wehavemorethan100machinesinthetest_________,”saystheassistantinawhiteoverall.本题答案：【lab】4、【填空题】Allfirst-yearundergraduatesinthisuniversityhavetoliveina_________.本题答案：【dorm】5、【填空题】This_________ishighlypoisonous.本题答案：【gas】随堂测验1、【单选题】Readthefollowingpassageandgivethebestanswertoeachquestionwiththeinformationyouhavegotfromthepassage.Californiahasbeenfacingadroughtformanyyearsnow,withcertainareasevenhavingtopumpfreshwaterhundredsofmilestotheirdistributionsystem.Theproblemisgrowingasthepopulationofthestatecontinuestoexpand.Newresearchhasfounddeepwaterreservesunderthestatewhichcouldhelpsolvetheirdroughtcrisis.Previousdrillingofwellscouldonlyreachdepthsof1,000feet,butduetonewpumpingpractices,waterdeeperthanthiscannowbeextracted(抽取).TheteamatStanfordinvestigatedtheaquifers(地下蓄水层)belowthisdepthandfoundthatreservesmaybetriplewhatwaspreviouslythought.Itisprofitabletodrilltodepthsmorethan1,000feetforoilandgasextraction,butonlyrecentlyinCaliforniahasitbecomeprofitabletopumpwaterfromthisdepth.Theaquifersrangefrom1,000to3,000feetbelowtheground,whichmeansthatpumpingwillbeexpensiveandthereareotherconcerns.Thebiggestconcernofpumpingoutwaterfromthisdeepinthegradualsettlingdownofthelandsurface.Asthewaterispumpedout,thevacantspaceleftiscompactedbytheweightoftheearthabove.Eventhoughpumpingfromthesedepthsisexpensive,itisstillcheaperthandesalinating(脱盐)theoceanwaterinthelargelycoastalstate.Somedesalinationplantsexistwherefeasible,buttheyarecostlytorunandcanneedconstantrepairs.Wellsaremuchmorereliablesourcesoffreshwater,andCaliforniaishopingthatthesedeepwellsmaybetheanswertotheirseverewatershortage.Oneproblemwiththesesourcesisthatthedeepwateralsohasahigherlevelofsaltthanshalloweraquifers.Thismeansthatsomewellsmayevenneedtoundergodesalinationafterextraction,thusincreasingthecost.Researchfromtheexhaustivestudyofgroundwaterfromover950drillinglogshasjustbeenpublished.Newestimatesofthewaterreservesnowgoupto2,700billioncubicmetersoffreshwater.HowcouldCalifornia’sdroughtcrisisbesolvedaccordingtosomeresearchers?本题答案：【Bydrawingwaterfromthedepthsoftheearth.】2、【单选题】Readthefollowingpassageandgivethebestanswertoeachquestionwiththeinformationyouhavegotfromthepassage.Californiahasbeenfacingadroughtformanyyearsnow,withcertainareasevenhavingtopumpfreshwaterhundredsofmilestotheirdistributionsystem.Theproblemisgrowingasthepopulationofthestatecontinuestoexpand.Newresearchhasfounddeepwaterreservesunderthestatewhichcouldhelpsolvetheirdroughtcrisis.Previousdrillingofwellscouldonlyreachdepthsof1,000feet,butduetonewpumpingpractices,waterdeeperthanthiscannowbeextracted(抽取).TheteamatStanfordinvestigatedtheaquifers(地下蓄水层)belowthisdepthandfoundthatreservesmaybetriplewhatwaspreviouslythought.Itisprofitabletodrilltodepthsmorethan1,000feetforoilandgasextraction,butonlyrecentlyinCaliforniahasitbecomeprofitabletopumpwaterfromthisdepth.Theaquifersrangefrom1,000to3,000feetbelowtheground,whichmeansthatpumpingwillbeexpensiveandthereareotherconcerns.Thebiggestconcernofpumpingoutwaterfromthisdeepinthegradualsettlingdownofthelandsurface.Asthewaterispumpedout,thevacantspaceleftiscompactedbytheweightoftheearthabove.Eventhoughpumpingfromthesedepthsisexpensive,itisstillcheaperthandesalinating(脱盐)theoceanwaterinthelargelycoastalstate.Somedesalinationplantsexistwherefeasible,buttheyarecostlytorunandcanneedconstantrepairs.Wellsaremuchmorereliablesourcesoffreshwater,andCaliforniaishopingthatthesedeepwellsmaybetheanswertotheirseverewatershortage.Oneproblemwiththesesourcesisthatthedeepwateralsohasahigherlevelofsaltthanshalloweraquifers.Thismeansthatsomewellsmayevenneedtoundergodesalinationafterextraction,thusincreasingthecost.Researchfromtheexhaustivestudyofgroundwaterfromover950drillinglogshasjustbeenpublished.Newestimatesofthewaterreservesnowgoupto2,700billioncubicmetersoffreshwater.Whatcanbeinferredaboutextractingwaterfromdeepaquifers?本题答案：【Itwasnotconsideredworththeexpense.】3、【单选题】Readthefollowingpassageandgivethebestanswertoeachquestionwiththeinformationyouhavegotfromthepassage.Californiahasbeenfacingadroughtformanyyearsnow,withcertainareasevenhavingtopumpfreshwaterhundredsofmilestotheirdistributionsystem.Theproblemisgrowingasthepopulationofthestatecontinuestoexpand.Newresearchhasfounddeepwaterreservesunderthestatewhichcouldhelpsolvetheirdroughtcrisis.Previousdrillingofwellscouldonlyreachdepthsof1,000feet,butduetonewpumpingpractices,waterdeeperthanthiscannowbeextracted(抽取).TheteamatStanfordinvestigatedtheaquifers(地下蓄水层)belowthisdepthandfoundthatreservesmaybetriplewhatwaspreviouslythought.Itisprofitabletodrilltodepthsmorethan1,000feetforoilandgasextraction,butonlyrecentlyinCaliforniahasitbecomeprofitabletopumpwaterfromthisdepth.Theaquifersrangefrom1,000to3,000feetbelowtheground,whichmeansthatpumpingwillbeexpensiveandthereareotherconcerns.Thebiggestconcernofpumpingoutwaterfromthisdeepinthegradualsettlingdownofthelandsurface.Asthewaterispumpedout,thevacantspaceleftiscompactedbytheweightoftheearthabove.Eventhoughpumpingfromthesedepthsisexpensive,itisstillcheaperthandesalinating(脱盐)theoceanwaterinthelargelycoastalstate.Somedesalinationplantsexistwherefeasible,buttheyarecostlytorunandcanneedconstantrepairs.Wellsaremuchmorereliablesourcesoffreshwater,andCaliforniaishopingthatthesedeepwellsmaybetheanswertotheirseverewatershortage.Oneproblemwiththesesourcesisthatthedeepwateralsohasahigherlevelofsaltthanshalloweraquifers.Thismeansthatsomewellsmayevenneedtoundergodesalinationafterextraction,thusincreasingthecost.Researchfromtheexhaustivestudyofgroundwaterfromover950drillinglogshasjustbeenpublished.Newestimatesofthewaterreservesnowgoupto2,700billioncubicmetersoffreshwater.Whatismentionedasaconsequenceofextractingwaterfromdeepunderground?本题答案：【Thesinkingoflandsurface.】4、【单选题】Readthefollowingpassageandgivethebestanswertoeachquestionwiththeinformationyouhavegotfromthepassage.Californiahasbeenfacingadroughtformanyyearsnow,withcertainareasevenhavingtopumpfreshwaterhundredsofmilestotheirdistributionsystem.Theproblemisgrowingasthepopulationofthestatecontinuestoexpand.Newresearchhasfounddeepwaterreservesunderthestatewhichcouldhelpsolvetheirdroughtcrisis.Previousdrillingofwellscouldonlyreachdepthsof1,000feet,butduetonewpumpingpractices,waterdeeperthanthiscannowbeextracted(抽取).TheteamatStanfordinvestigatedtheaquifers(地下蓄水层)belowthisdepthandfoundthatreservesmaybetriplewhatwaspreviouslythought.Itisprofitabletodrilltodepthsmorethan1,000feetforoilandgasextraction,butonlyrecentlyinCaliforniahasitbecomeprofitabletopumpwaterfromthisdepth.Theaquifersrangefrom1,000to3,000feetbelowtheground,whichmeansthatpumpingwillbeexpensiveandthereareotherconcerns.Thebiggestconcernofpumpingoutwaterfromthisdeepinthegradualsettlingdownofthelandsurface.Asthewaterispumpedout,thevacantspaceleftiscompactedbytheweightoftheearthabove.Eventhoughpumpingfromthesedepthsisexpensive,itisstillcheaperthandesalinating(脱盐)theoceanwaterinthelargelycoastalstate.Somedesalinationplantsexistwherefeasible,buttheyarecostlytorunandcanneedconstantrepairs.Wellsaremuchmorereliablesourcesoffreshwater,andCaliforniaishopingthatthesedeepwellsmaybetheanswertotheirseverewatershortage.Oneproblemwiththesesourcesisthatthedeepwateralsohasahigherlevelofsaltthanshalloweraquifers.Thismeansthatsomewellsmayevenneedtoundergodesalinationafterextraction,thusincreasingthecost.Researchfromtheexhaustivestudyofgroundwaterfromover950drillinglogshasjustbeenpublished.Newestimatesofthewaterreservesnowgoupto2,700billioncubicmetersoffreshwater.Whatdoestheauthorsayaboutdeepwells?本题答案：【Theyprovideasteadysupplyoffreshwater.】5、【单选题】Readthefollowingpassageandgivethebestanswertoeachquestionwiththeinformationyouhavegotfromthepassage.Californiahasbeenfacingadroughtformanyyearsnow,withcertainareasevenhavingtopumpfreshwaterhundredsofmilestotheirdistributionsystem.Theproblemisgrowingasthepopulationofthestatecontinuestoexpand.Newresearchhasfounddeepwaterreservesunderthestatewhichcouldhelpsolvetheirdroughtcrisis.Previousdrillingofwellscouldonlyreachdepthsof1,000feet,butduetonewpumpingpractices,waterdeeperthanthiscannowbeextracted(抽取).TheteamatStanfordinvestigatedtheaquifers(地下蓄水层)belowthisdepthandfoundthatreservesmaybetriplewhatwaspreviouslythought.Itisprofitabletodrilltodepthsmorethan1,000feetforoilandgasextraction,butonlyrecentlyinCaliforniahasitbecomeprofitabletopumpwaterfromthisdepth.Theaquifersrangefrom1,000to3,000feetbelowtheground,whichmeansthatpumpingwillbeexpensiveandthereareotherconcerns.Thebiggestconcernofpumpingoutwaterfromthisdeepinthegradualsettlingdownofthelandsurface.Asthewaterispumpedout,thevacantspaceleftiscompactedbytheweightoftheearthabove.Eventhoughpumpingfromthesedepthsisexpensive,itisstillcheaperthandesalinating(脱盐)theoceanwaterinthelargelycoastalstate.Somedesalinationplantsexistwherefeasible,buttheyarecostlytorunandcanneedconstantrepairs.Wellsaremuchmorereliablesourcesoffreshwater,andCaliforniaishopingthatthesedeepwellsmaybetheanswertotheirseverewatershortage.Oneproblemwiththesesourcesisthatthedeepwateralsohasahigherlevelofsaltthanshalloweraquifers.Thismeansthatsomewellsmayevenneedtoundergodesalinationafterextraction,thusincreasingthecost.Researchfromtheexhaustivestudyofgroundwaterfromover950drillinglogshasjustbeenpublished.Newestimatesofthewaterreservesnowgoupto2,700billioncubicmetersoffreshwater.Whatmayhappenwhendeepaquifersareusedaswatersources?本题答案：【Thecostmaygoupduetodesalination.】随堂测验1、【填空题】Asweallknow,therearedifferentstagesoflife,infancy,childhood,__________(青春),adulthoodandoldage.本题答案：【adolescence】2、【填空题】Inadulthood,peoplearefacedwithmanyunpredictablestresses,suchas__________(学业压力),unemployment,lowincome.本题答案：【academicpressure】3、【填空题】Inoldage,__________(退休),disease,depression,andlonelinessmayhitpeople.本题答案：【retirement】4、【填空题】AQismoreimportantthanEQandIQ.AQstandsfor__________(逆商).本题答案：【adversityquotient】5、【填空题】LaoZisaidinTaoTeChing,“Goodfortunefollowsupondisaster；disaster__________(潜伏)withingoodfortune.”本题答案：【lurks】随堂测验1、【填空题】Acronymyistheprocessofformingnewwordsbyjoiningthe_________lettersofnamesofsocialandpoliticalorganizationsorspecialnoun.本题答案：【initial】2、【填空题】ThecompleteformofBBCisBritish_____________Corporation.本题答案：【Broadcasting】3、【填空题】WordsformedbyAcronymycanbedividedintotwotypes:__________andacronyms,dependingonthepronunciationofthewords.本题答案：【initialisms】4、【填空题】Therearethreekindsofacronyms:_______