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有一批长度分别为3、4、5、6和7厘米的细木条,它们的数量足够多,从中适当选取3根木条作为三角形的三条边,可能围成多少个不同的三角形( )
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用同一把刻度尺四次测量某物体长度的测量结果分别为L1=3.51厘米L2=3.52厘米L3=3.52厘
3.51厘米
3.52厘米
3.517厘米
3.49厘米
有一批长度分别为3456和7厘米的细木条其数量足够多从中适当选取3根木条作为三角形的三条边可能围成多
25个
28个
30个
32个
有两根长度分别为3厘米和6厘米的小棒从下面再选一根小棒与这两根小棒正好围成三角形你的选择是
2厘米
3厘米
5厘米
9厘米
有五根木条它们的长度分别是1厘米2厘米3厘米4厘米5厘米从它们当中选出3根木条拼成一个三角形一共可以
一个
两个
三个
四个
一木工有两根分别为40厘米和60厘米的木条要另找一根木条钉成一个三角木架.问第三根木条的长度应在什
一木工有两根分别为40厘米和60厘米的木条要另找一根木条钉成一个三角木架.问第三根木条的长度x应在什
画出3条长分别为3厘米4厘米和5厘米的线段看它们是否能组成一个三角形.
某同学用刻度尺先后五次测量一物体的长度记录的数据分别为45.30厘米45.89厘米45.29厘米45
2009浙江有一批长度分别为3456和7厘米的细木条他们的数量足够多从中适当选取3根木条作为三角形的
25个
28个
30个
32个
有5条线段长度分别为1厘米2厘米3厘米4厘米5厘米以其中三条线段为边长共可以组成个形状不同的三角形
有五根木条它们的长度分别是1厘米2厘米3厘米4厘米5厘米从它们当中选出3根木条围成一个三角形一共可
有五根木条它们的长度分别是1厘米2厘米3厘米4厘米5厘米从它们当中选出3根木条拼成一个三角形一共可
一个
两个
三个
四个
在已挖好的长宽分别为3米2米的长方形花池里四周铺一层高20厘米厚5厘米的砖边需几块长宽厚分别为20厘
100
98
50
48
有一批长度分别为3456和7厘米长的细木条他们的数量足够多从中适当选区2根木条作为三角形的三边可能围
25
28
30
32
有四根分别为5厘米6厘米7厘米11厘米的小棒从中任意选三根小棒围成一个三角形有种不同的围法.
4
3
2
1
有四根木条它们的长度分别是2厘米3厘米4厘米5厘米从它们当中选出3根木条拼成一个三角形一共可以拼成
二种
三种
四种
画一个直角边分别为3厘米和4厘米的直角三角形.
画出3条长分别为3厘米4厘米和5厘米的线段看它们是否能组成一个三角形.
从长度分别为3厘米5厘米8厘米4厘米的4根小棒中选出3根围成一个三角形.你准备怎么选为什么请把它画出
有4根彩带长度分别为15厘米17厘米22厘米18厘米这4根彩带的平均长度是厘米.
18
17
16
15
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AInonlysixclaysIlostsevenpoundsofweight.Twofullinchesinthefirstthreedays!Thesearethekindsofstatementsusedinmagazinenewspaperradioandtelevisionads.promisingnewshapesandnewlookstothosewhobuythemedicineorthedevice.Thepromotersofproductssaytheycanshapethelegsslimthefacesmoothwrinklesorinsomeotherwaystoaddtobeautyordesirability.Oftensuchproductsarenothingmorethanmoney-makingthingsfortheirpromoters.Theresultstheyproducearequestionableandsomearedangeroustohealth.Tounderstandhowtheseproductscanbelegallypromotedtothepublicitisnecessarytounderstandsomethingofthelawscoveringtheirregulation.IftheproductisadrugFDAFoodandDrugAdministrationcanrequireproof证明undertheFoodDrugandCosmeticActthatissafeandeffectivebeforeitisputonthemarket.ButiftheproductisadeviceFDAhasnoauthoritytorequirepre-marketingproofofsafetyoreffectiveness.IfaproductalreadyonthemarkerisadangertohealthFDAcanrequesttheproducerordistributortoremoveitfromthemarketvoluntarilyoritcantakelegalactionincludingseizure查封oftheproduct.OnenotablecaseafewyearsagoinvolvedanelectricaldevicecalledtheRelaxacisorwhichhadbeensoldforreducingthewaistline.TheRelaxacisorproducedelectricalshockstothebodythroughcontactpads.FDAtooklegalactionagainstthedistributortostopthesaleofthedeviceonthegroundsthatitwasdangeroustohealthandlife.Obviouslymostofthedevicesonthemarkethaveneverbeenthesubjectofcourtproceedings法律诉讼andnewdevicesappearcontinually.Beforebuyingitisuptotheconsumertojudgethesafetyoreffectivenessofsuchitems.FDAcanaskfortheproofofsafetyandeffectivenessofaproduct______.
下列各项中与丧失现金折扣的机会成本呈反向变化的是
金融运行机构是以盈利为目的通过向公众提供金融产品和金融服务而开展经营的金融机构包括
可贷资金模型的代表人物是
商业性金融机构与政策性金融机构在业务上的关系有
Youmayusetheroomasyoulike______youcleanitupafterwards.
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参与银团贷款的银行均为银团贷款成员银团贷款成员按照原则自主确定各自授信行为并按实际承诺份额享有银团贷款项下相应的权利义务
BScienceisadominantthemeinourculture.Sinceittouchesalmosteveryfacetofourlifeeducatedpeopleneedatleastsomeacquaintancewithitsstructureandoperation.Theyshouldalsohaveanunderstandingofthesubcultureinwhichscientistsliveandthekindsofpeopletheyare.Anunderstandingofgeneralcharacteristicsofscienceaswellasspecificscientificconceptsiseasiertoattainifoneknowssomethingaboutthethingsthatexciteandfrustratethescientist.Thisbookiswrittenfortheintelligentstudentorlaypersonwhoseacquaintancewithscienceissuperficial;forthepersonwhohasbeenpresentedwithscienceasamustystorehouseofdriedfacts;forthepersonwhoseesthechiefobjectiveofscienceastheproductionofgadgets;andforthepersonwhoviewsthescientistassomesortofmagician.Thebookcanbeusedtosupplementacourseinanysciencetoaccompanyanycoursethatattemptstogiveanunderstandingofthemodernworldorindependentofanycourse--simplytoprovideabetterunderstandingofscience.Wehopethisbookwillleadreaderstoabroaderperspectiveonscientificattitudesandamorerealisticviewofwhatscienceiswhoscientistsareandwhattheydo.Itwillgivethemanawarenessandunderstandingoftherelationshipbetweenscienceandourcultureandanappreciationoftherolessciencemayplayinourculture.Inadditionreadersmaylearntoappreciatetherelationshipbetweenscientificviewsandsomeofthevaluesandphilosophiesthatarepervasiveinourculture.Wehavetriedtopresentinthisbookanaccurateandup-to-datepictureofthescientificcommunityandthepeoplewhopopulateit.Thatpopulationhasinrecentyearscometocomprisemoreandmorewomen.Thisincreasingroleofwomeninthescientificsubcultureisnotanuniqueincidentbutratherpartofthetrendevidentinallsegmentsofsocietyasmorewomenentertraditionallymale-dominatedfieldsandmakesignificantcontributions.Indiscussingthesechangesandcontributionshoweverwearefacedwithalanguagethatisimplicitlysexistonethatusesmalenounsorpronounsinreferringtounspecifiedindividuals.Tooffsetthisbuilt-inbiaswehaveadoptedthepolicyofusingpluralnounsandpronounswheneverpossibleandwhenabsolutelynecessaryalternatingheandshe.Thispolicyisfarfrombeingidealbutitisatleastanacknowledgmentoftheinadequacyofourlanguageintreatinghalfofthehumanraceequally.Wehavealsotriedtomakethebookentertainingaswellasinformative.Ourapproachisusuallyinformal.Wefeelasdomanyotherscientiststhatweshouldn’ttakeourselvestooseriously.Asthereadermayobserveweseescienceasadelightfulpastimeratherthanasagrimanddrearywaytoearnaliving.Weneedtoknowsomethingaboutthestructureandoperationofsciencebecause______.
AInonlysixclaysIlostsevenpoundsofweight.Twofullinchesinthefirstthreedays!Thesearethekindsofstatementsusedinmagazinenewspaperradioandtelevisionads.promisingnewshapesandnewlookstothosewhobuythemedicineorthedevice.Thepromotersofproductssaytheycanshapethelegsslimthefacesmoothwrinklesorinsomeotherwaystoaddtobeautyordesirability.Oftensuchproductsarenothingmorethanmoney-makingthingsfortheirpromoters.Theresultstheyproducearequestionableandsomearedangeroustohealth.Tounderstandhowtheseproductscanbelegallypromotedtothepublicitisnecessarytounderstandsomethingofthelawscoveringtheirregulation.IftheproductisadrugFDAFoodandDrugAdministrationcanrequireproof证明undertheFoodDrugandCosmeticActthatissafeandeffectivebeforeitisputonthemarket.ButiftheproductisadeviceFDAhasnoauthoritytorequirepre-marketingproofofsafetyoreffectiveness.IfaproductalreadyonthemarkerisadangertohealthFDAcanrequesttheproducerordistributortoremoveitfromthemarketvoluntarilyoritcantakelegalactionincludingseizure查封oftheproduct.OnenotablecaseafewyearsagoinvolvedanelectricaldevicecalledtheRelaxacisorwhichhadbeensoldforreducingthewaistline.TheRelaxacisorproducedelectricalshockstothebodythroughcontactpads.FDAtooklegalactionagainstthedistributortostopthesaleofthedeviceonthegroundsthatitwasdangeroustohealthandlife.Obviouslymostofthedevicesonthemarkethaveneverbeenthesubjectofcourtproceedings法律诉讼andnewdevicesappearcontinually.Beforebuyingitisuptotheconsumertojudgethesafetyoreffectivenessofsuchitems.Itcanbeinferredthatads.mentionedinthetextare______.
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BScienceisadominantthemeinourculture.Sinceittouchesalmosteveryfacetofourlifeeducatedpeopleneedatleastsomeacquaintancewithitsstructureandoperation.Theyshouldalsohaveanunderstandingofthesubcultureinwhichscientistsliveandthekindsofpeopletheyare.Anunderstandingofgeneralcharacteristicsofscienceaswellasspecificscientificconceptsiseasiertoattainifoneknowssomethingaboutthethingsthatexciteandfrustratethescientist.Thisbookiswrittenfortheintelligentstudentorlaypersonwhoseacquaintancewithscienceissuperficial;forthepersonwhohasbeenpresentedwithscienceasamustystorehouseofdriedfacts;forthepersonwhoseesthechiefobjectiveofscienceastheproductionofgadgets;andforthepersonwhoviewsthescientistassomesortofmagician.Thebookcanbeusedtosupplementacourseinanysciencetoaccompanyanycoursethatattemptstogiveanunderstandingofthemodernworldorindependentofanycourse--simplytoprovideabetterunderstandingofscience.Wehopethisbookwillleadreaderstoabroaderperspectiveonscientificattitudesandamorerealisticviewofwhatscienceiswhoscientistsareandwhattheydo.Itwillgivethemanawarenessandunderstandingoftherelationshipbetweenscienceandourcultureandanappreciationoftherolessciencemayplayinourculture.Inadditionreadersmaylearntoappreciatetherelationshipbetweenscientificviewsandsomeofthevaluesandphilosophiesthatarepervasiveinourculture.Wehavetriedtopresentinthisbookanaccurateandup-to-datepictureofthescientificcommunityandthepeoplewhopopulateit.Thatpopulationhasinrecentyearscometocomprisemoreandmorewomen.Thisincreasingroleofwomeninthescientificsubcultureisnotanuniqueincidentbutratherpartofthetrendevidentinallsegmentsofsocietyasmorewomenentertraditionallymale-dominatedfieldsandmakesignificantcontributions.Indiscussingthesechangesandcontributionshoweverwearefacedwithalanguagethatisimplicitlysexistonethatusesmalenounsorpronounsinreferringtounspecifiedindividuals.Tooffsetthisbuilt-inbiaswehaveadoptedthepolicyofusingpluralnounsandpronounswheneverpossibleandwhenabsolutelynecessaryalternatingheandshe.Thispolicyisfarfrombeingidealbutitisatleastanacknowledgmentoftheinadequacyofourlanguageintreatinghalfofthehumanraceequally.Wehavealsotriedtomakethebookentertainingaswellasinformative.Ourapproachisusuallyinformal.Wefeelasdomanyotherscientiststhatweshouldn’ttakeourselvestooseriously.Asthereadermayobserveweseescienceasadelightfulpastimeratherthanasagrimanddrearywaytoearnaliving.Accordingtothispassage______.
Manylifestylepatternsdosuch______greatharmtohealththattheyactuallyspeedup______weakeningofthehumanbody.
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AInonlysixclaysIlostsevenpoundsofweight.Twofullinchesinthefirstthreedays!Thesearethekindsofstatementsusedinmagazinenewspaperradioandtelevisionads.promisingnewshapesandnewlookstothosewhobuythemedicineorthedevice.Thepromotersofproductssaytheycanshapethelegsslimthefacesmoothwrinklesorinsomeotherwaystoaddtobeautyordesirability.Oftensuchproductsarenothingmorethanmoney-makingthingsfortheirpromoters.Theresultstheyproducearequestionableandsomearedangeroustohealth.Tounderstandhowtheseproductscanbelegallypromotedtothepublicitisnecessarytounderstandsomethingofthelawscoveringtheirregulation.IftheproductisadrugFDAFoodandDrugAdministrationcanrequireproof证明undertheFoodDrugandCosmeticActthatissafeandeffectivebeforeitisputonthemarket.ButiftheproductisadeviceFDAhasnoauthoritytorequirepre-marketingproofofsafetyoreffectiveness.IfaproductalreadyonthemarkerisadangertohealthFDAcanrequesttheproducerordistributortoremoveitfromthemarketvoluntarilyoritcantakelegalactionincludingseizure查封oftheproduct.OnenotablecaseafewyearsagoinvolvedanelectricaldevicecalledtheRelaxacisorwhichhadbeensoldforreducingthewaistline.TheRelaxacisorproducedelectricalshockstothebodythroughcontactpads.FDAtooklegalactionagainstthedistributortostopthesaleofthedeviceonthegroundsthatitwasdangeroustohealthandlife.Obviouslymostofthedevicesonthemarkethaveneverbeenthesubjectofcourtproceedings法律诉讼andnewdevicesappearcontinually.Beforebuyingitisuptotheconsumertojudgethesafetyoreffectivenessofsuchitems.Theauthorintendsto______.
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