确定流水步距时，应保证相邻两个专业工作队在开始作业的时间上最大限度地、合理地搭接。

全等节拍流水施工，流水步距彼此相等，而且等于流水节拍。

网络计划不能明确地反映出各项工作之间错综复杂的逻辑关系，不便于对各工作提前或拖延的影响进行分析及动态控制。

双代号网络图以节点及其编号表示工作，以箭线表示工作之间的逻辑关系。

8.关于GNSS测量的技术设计，下面说法正确的是

18.采用空气间层进行隔声时,中间空气层的厚度以()为宜。

由于科技进步而不端出现性能更完善、生产效率更高的设备，使原有的设备显得陈旧落后，因此产生经济默算称为()磨损

企业采用严格的信用标准，虽然会增加应收账款的机会成本，但能扩大商品销售额，从而给企业带来更多的收益。（）

IRR是指能使投资方案的NPV=0时的贴现率

18层的房屋优先采用下列哪种结构体系（）

18层的房屋优先采用框架剪力墙体系。（）

Text3Forhundredsofyears,thecriminallaw(刑法)hasbeenbuiltaroundtheideathatwrongdoersmustbepunishedfortheircrimes.Themostbasicargumentforpunishmentisthatitpreserveslawandorderandrespectsforauthority.Fromthispointofview，punishmentdoestwothings.Itupholdsthelaw，anditpreventsothersfromthinkingtheycangetawaywithdoingthesamethingwithoutpunishment.Punishmentisbasedontheideathatmanypeoplehaveabarelycontrolleddesiretoactinforbiddenways.Oneofthebestwaystoreducecrimeistoreformorrehabilitate(改造)habitualcriminals.Themainproblemisnotthefirstoffenderorthepettythiefbuttherepeatedoffenderwhocommitsincreasinglyseriouscrimes.Accordingtocriminologists，crimewoulddecreasegreatlyifallsuchoffenderscouldbeturnedawayfromwrongdoing.ButU.S.prisonshavehadlittlesuccessinrehabilitatinginmates.Abouttwo-thirdsofthepeoplearrestedinanyyearhaveapreviouscriminalrecord.Rehabilitation(改造)ofcriminalscouldprobablybeimprovedgreatlyifexpertscouldprovidetherightkindofprogramfordifferenttypesofoffenders.Criminalsvarywidelyinthekindsofcrimestheycommit，theiremotionalproblems，andtheirsocialandeconomicbackgrounds.Notalloffenderscanbehelpedbythesametreatment.Manyrequiretheaidofphysicians,psychiatrists,orpsychologists.Othersrespondwelltoeducationalorvocationaltraining.Intheearly1990s,therewereabout1,300,000criminalsinU.S.city,county,state,andfederalcorrectionalinstitutions，andabout500,000morewereoutonparole.Societyspentmorethan$15billiontooperateprisonsandrelatedinstitutionsyearly,butonlyasmallpartofthissumwenttoprovidetreatment.Nearlyallthefundswereusedtofeedandclotheprisonersandtokeepthemundercontrol.Sincethe1ate1970s,however,therehasbeenatrendtowardpunishmentratherthanrehabilitationofoffenders.Prisonsentences(徒刑)arelonger.CapitalpunishmentshavebeenusedmorefrequentlysincetheU.S.SupremeCourtliftedadeathpenaltybanin1976.Nevertheless,crimepreventionshouldaimtopreventpeoplefrombecomingcriminalsinthefirstplace.Suchagoalprobablywouldbenefitfromreformprogramsinurbanslums.Theseprogramswouldincludeimprovedhousing,schools,andrecreationprogramsandincreasedjobopportunities.Therearemanyotherwaystoreducecrime.Peoplecanbeeducatedorpersuadedtotakegreaterprecautionsagainstcrime.Theycanbetaught,forexample,howtoprotecttheirhomesfromburglary.Automobiletheftswoulddropsharplyifdriversremovedtheirkeysandlockedtheircarswhenleavingthem.Betterlightinghelpsdiscouragepurse-snatchingsandotherrobberiesoncitystreetsandinparks.Manyexpertsbelievethatstrictgun-licensinglawswouldgreatlyreducecrime.11.Thebeliefthatpeopletendtobehaveinforbiddenways____.

Forhundredsofyears,thecriminallaw(刑法)hasbeenbuiltaroundtheideathatwrongdoersmustbepunishedfortheircrimes.Themostbasicargumentforpunishmentisthatitpreserveslawandorderandrespectsforauthority.Fromthispointofview，punishmentdoestwothings.Itupholdsthelaw，anditpreventsothersfromthinkingtheycangetawaywithdoingthesamethingwithoutpunishment.Punishmentisbasedontheideathatmanypeoplehaveabarelycontrolleddesiretoactinforbiddenways.Oneofthebestwaystoreducecrimeistoreformorrehabilitate(改造)habitualcriminals.Themainproblemisnotthefirstoffenderorthepettythiefbuttherepeatedoffenderwhocommitsincreasinglyseriouscrimes.Accordingtocriminologists，crimewoulddecreasegreatlyifallsuchoffenderscouldbeturnedawayfromwrongdoing.ButU.S.prisonshavehadlittlesuccessinrehabilitatinginmates.Abouttwo-thirdsofthepeoplearrestedinanyyearhaveapreviouscriminalrecord.Rehabilitation(改造)ofcriminalscouldprobablybeimprovedgreatlyifexpertscouldprovidetherightkindofprogramfordifferenttypesofoffenders.Criminalsvarywidelyinthekindsofcrimestheycommit，theiremotionalproblems，andtheirsocialandeconomicbackgrounds.Notalloffenderscanbehelpedbythesametreatment.Manyrequiretheaidofphysicians,psychiatrists,orpsychologists.Othersrespondwelltoeducationalorvocationaltraining.Intheearly1990s,therewereabout1,300,000criminalsinU.S.city,county,state,andfederalcorrectionalinstitutions，andabout500,000morewereoutonparole.Societyspentmorethan$15billiontooperateprisonsandrelatedinstitutionsyearly,butonlyasmallpartofthissumwenttoprovidetreatment.Nearlyallthefundswereusedtofeedandclotheprisonersandtokeepthemundercontrol.Sincethe1ate1970s,however,therehasbeenatrendtowardpunishmentratherthanrehabilitationofoffenders.Prisonsentences(徒刑)arelonger.CapitalpunishmentshavebeenusedmorefrequentlysincetheU.S.SupremeCourtliftedadeathpenaltybanin1976.Nevertheless,crimepreventionshouldaimtopreventpeoplefrombecomingcriminalsinthefirstplace.Suchagoalprobablywouldbenefitfromreformprogramsinurbanslums.Theseprogramswouldincludeimprovedhousing,schools,andrecreationprogramsandincreasedjobopportunities.Therearemanyotherwaystoreducecrime.Peoplecanbeeducatedorpersuadedtotakegreaterprecautionsagainstcrime.Theycanbetaught,forexample,howtoprotecttheirhomesfromburglary.Automobiletheftswoulddropsharplyifdriversremovedtheirkeysandlockedtheircarswhenleavingthem.Betterlightinghelpsdiscouragepurse-snatchingsandotherrobberiesoncitystreetsandinparks.Manyexpertsbelievethatstrictgun-licensinglawswouldgreatlyreducecrime.12.Inthesecondparagraphtheauthorimplies____.

Forhundredsofyears,thecriminallaw(刑法)hasbeenbuiltaroundtheideathatwrongdoersmustbepunishedfortheircrimes.Themostbasicargumentforpunishmentisthatitpreserveslawandorderandrespectsforauthority.Fromthispointofview，punishmentdoestwothings.Itupholdsthelaw，anditpreventsothersfromthinkingtheycangetawaywithdoingthesamethingwithoutpunishment.Punishmentisbasedontheideathatmanypeoplehaveabarelycontrolleddesiretoactinforbiddenways.Oneofthebestwaystoreducecrimeistoreformorrehabilitate(改造)habitualcriminals.Themainproblemisnotthefirstoffenderorthepettythiefbuttherepeatedoffenderwhocommitsincreasinglyseriouscrimes.Accordingtocriminologists，crimewoulddecreasegreatlyifallsuchoffenderscouldbeturnedawayfromwrongdoing.ButU.S.prisonshavehadlittlesuccessinrehabilitatinginmates.Abouttwo-thirdsofthepeoplearrestedinanyyearhaveapreviouscriminalrecord.Rehabilitation(改造)ofcriminalscouldprobablybeimprovedgreatlyifexpertscouldprovidetherightkindofprogramfordifferenttypesofoffenders.Criminalsvarywidelyinthekindsofcrimestheycommit，theiremotionalproblems，andtheirsocialandeconomicbackgrounds.Notalloffenderscanbehelpedbythesametreatment.Manyrequiretheaidofphysicians,psychiatrists,orpsychologists.Othersrespondwelltoeducationalorvocationaltraining.Intheearly1990s,therewereabout1,300,000criminalsinU.S.city,county,state,andfederalcorrectionalinstitutions，andabout500,000morewereoutonparole.Societyspentmorethan$15billiontooperateprisonsandrelatedinstitutionsyearly,butonlyasmallpartofthissumwenttoprovidetreatment.Nearlyallthefundswereusedtofeedandclotheprisonersandtokeepthemundercontrol.Sincethe1ate1970s,however,therehasbeenatrendtowardpunishmentratherthanrehabilitationofoffenders.Prisonsentences(徒刑)arelonger.CapitalpunishmentshavebeenusedmorefrequentlysincetheU.S.SupremeCourtliftedadeathpenaltybanin1976.Nevertheless,crimepreventionshouldaimtopreventpeoplefrombecomingcriminalsinthefirstplace.Suchagoalprobablywouldbenefitfromreformprogramsinurbanslums.Theseprogramswouldincludeimprovedhousing,schools,andrecreationprogramsandincreasedjobopportunities.Therearemanyotherwaystoreducecrime.Peoplecanbeeducatedorpersuadedtotakegreaterprecautionsagainstcrime.Theycanbetaught,forexample,howtoprotecttheirhomesfromburglary.Automobiletheftswoulddropsharplyifdriversremovedtheirkeysandlockedtheircarswhenleavingthem.Betterlightinghelpsdiscouragepurse-snatchingsandotherrobberiesoncitystreetsandinparks.Manyexpertsbelievethatstrictgun-licensinglawswouldgreatlyreducecrime.13.Theauthorspeculatesthatrehabilitationcanbemademoreeffectiveif____.

Forhundredsofyears,thecriminallaw(刑法)hasbeenbuiltaroundtheideathatwrongdoersmustbepunishedfortheircrimes.Themostbasicargumentforpunishmentisthatitpreserveslawandorderandrespectsforauthority.Fromthispointofview，punishmentdoestwothings.Itupholdsthelaw，anditpreventsothersfromthinkingtheycangetawaywithdoingthesamethingwithoutpunishment.Punishmentisbasedontheideathatmanypeoplehaveabarelycontrolleddesiretoactinforbiddenways.Oneofthebestwaystoreducecrimeistoreformorrehabilitate(改造)habitualcriminals.Themainproblemisnotthefirstoffenderorthepettythiefbuttherepeatedoffenderwhocommitsincreasinglyseriouscrimes.Accordingtocriminologists，crimewoulddecreasegreatlyifallsuchoffenderscouldbeturnedawayfromwrongdoing.ButU.S.prisonshavehadlittlesuccessinrehabilitatinginmates.Abouttwo-thirdsofthepeoplearrestedinanyyearhaveapreviouscriminalrecord.Rehabilitation(改造)ofcriminalscouldprobablybeimprovedgreatlyifexpertscouldprovidetherightkindofprogramfordifferenttypesofoffenders.Criminalsvarywidelyinthekindsofcrimestheycommit，theiremotionalproblems，andtheirsocialandeconomicbackgrounds.Notalloffenderscanbehelpedbythesametreatment.Manyrequiretheaidofphysicians,psychiatrists,orpsychologists.Othersrespondwelltoeducationalorvocationaltraining.Intheearly1990s,therewereabout1,300,000criminalsinU.S.city,county,state,andfederalcorrectionalinstitutions，andabout500,000morewereoutonparole.Societyspentmorethan$15billiontooperateprisonsandrelatedinstitutionsyearly,butonlyasmallpartofthissumwenttoprovidetreatment.Nearlyallthefundswereusedtofeedandclotheprisonersandtokeepthemundercontrol.Sincethe1ate1970s,however,therehasbeenatrendtowardpunishmentratherthanrehabilitationofoffenders.Prisonsentences(徒刑)arelonger.CapitalpunishmentshavebeenusedmorefrequentlysincetheU.S.SupremeCourtliftedadeathpenaltybanin1976.Nevertheless,crimepreventionshouldaimtopreventpeoplefrombecomingcriminalsinthefirstplace.Suchagoalprobablywouldbenefitfromreformprogramsinurbanslums.Theseprogramswouldincludeimprovedhousing,schools,andrecreationprogramsandincreasedjobopportunities.Therearemanyotherwaystoreducecrime.Peoplecanbeeducatedorpersuadedtotakegreaterprecautionsagainstcrime.Theycanbetaught,forexample,howtoprotecttheirhomesfromburglary.Automobiletheftswoulddropsharplyifdriversremovedtheirkeysandlockedtheircarswhenleavingthem.Betterlightinghelpsdiscouragepurse-snatchingsandotherrobberiesoncitystreetsandinparks.Manyexpertsbelievethatstrictgun-licensinglawswouldgreatlyreducecrime.14.Accordingtotheauthor,punishmentisabettermeansthanrehabilitationinreducingcrimerate____.