在1986年3月15日以前如果事实婚姻双方在起诉时均符合结婚的法定条件，则认定为事实婚姻关系；

在1986年3月15日以后事实婚姻双方如同居时均符合法定条件，也可认定为事实婚姻关系；否则都认为是非法同居。

1,3-二烯烃是共轭二烯烃。

PassageOneQuestions1to5arebasedonthefollowingpassage.Questions46to50arebasedonthefollowingpassage.Textbooksrepresentan11billiondollarindustry,upfrom$8billionin2014.TextbookpublisherPearsonisthelargestpublisher—ofanykind—intheworld.Itcostsabout$1milliontocreateanewtextbook.Afreshmantextbookwillhavedozensofcontributors,fromsubject-matterexpertsthroughgraphicandlayoutartiststoexpertreviewersandclassroomtesters.Textbookpublishersconnectprofessors,instructorsandstudentsinwaysthatalternatives,suchasOpenE-TextbooksandOpenEducationalResources,simplydonot.Thisconnectionhappensnotonlybymeansofcollaborativedevelopment,reviewandtesting,butalsoatconferenceswherefacultyregularlydecideontheirtextbooksandcurriculaforthecomingyear.Itistruethattextbookpublishershaverecentlyreportedlosses,largelyduetostudentsrentingorbuyingusedprinttextbooks.Butthiscanbechalkeduptotheexorbitantcostoftheirbooks—whichhasincreasedover1,000percentsince1977.Areshufflingofthetextbookindustrymaywellbeinorder.Butthisdoesnotmeantheendofthetextbookitself.WhiletheymaynotbeasdynamicasaniPad,textbooksarenotpassiveorlifeless.Forexample,overthecenturies,theyhavesimulateddialogueinanumberofways.From1800tothepresentday,textbookshavedonethisbyposingquestionsforstudentstoanswerinductively.Thatmeansstudentsareaskedtousetheirindividualexperiencetocomeupwithanswerstogeneralquestions.Today’spsychologytexts,forexample,ask:“Howmuchofyourpersonalitydoyouthinkyouinherited?”whileonesinphysicssay:“Howcanyoupredictwheretheballyoutossedwillland?”Expertsobservethat“textbookscomeinlayers,somethinglikeanonion.”Fortheactivelearner,engagingwithatextbookcanbeaninteractiveexperience:Readersproceedattheirownpace.They“customize”theirbooksbyengagingwithdifferentlayersandlinkages.Highlighting,Post-Itnotes,dog-earsandothertechniquesallowforfurthercustomizationthatstudentsvalueinprintbooksoverdigitalformsofbooks.47.Whatisthemaincauseofthepublishers’losses?

甲委托乙设计并雕刻了一尊造型别致的雄狮，未签订书面合同，甲将雄狮置于街店门前，招揽顾客，下列哪些说法不正确？（）

甲将《苹果熟了》电影的放映权转让给了乙公司，转让合同包括的主要内容有（　　　）

下列权利中不属于工业产权的是（）。

Evidentlyquitealotofwomenhavesuccumbedtoguiltofthissort,sinceinrecentyearsquiteanindustryhasarisentoassuageit.A.youdosomethingthatyouwanttodo,orthatotherpeoplewantyoutodo,althoughyoufeelitmightbewrong.B.youmakethemfeelitlessstrongly.C.Somethingorsomeonethatisanassetisconsideredusefulorhelpsapersonororganizationtobesuccessful.D.somethingwhichstaysthesameanddoesnotorcannotvary.

贴现债券的发行属于（）。

为了得到立构规整的1.4-聚丁二烯，1,3–丁二烯可采用()聚合。