软土的特性是含水量大和压缩性低（ ）

不能用其它任何单色混合而成的色彩称为原色，颜料原色是__________。

下面有关“中断”的叙述，正确的是（）。

要坚持总体国家安全观，坚决维护国家主权、安全、发展利益。

党的中央和省、自治区、直辖市委员会实行巡视制度，在一届任期内，对所管理的地方、部门、企事业单位党组织实现巡视全覆盖。

47.Whatcanwelearnabouttheauthor’schildren?

47.Accordingtotheauthor,whatkindofpeopledouniversitieslackmost?

47.Accordingtotheauthor,whatkindofpeopledouniversitieslackmost?

47.原文:Withoutaqualificationfromareputableschooloruniversity,itisunlikelytofindagoodjob.问题句:Itisimpossibletogetagoodjobwithoutaqualificationfromarespectedinstitution.

47.原文:Withoutaqualificationfromareputableschooloruniversity,itisunlikelytofindagoodjob.问题句:Itisimpossibletogetagoodjobwithoutaqualificationfromarespectedinstitution.

47.原文:Dr.Laver’sfindingshavemadegreatcontributionstotheworld.问题句:Dr.Laverishighlyrespectedasateacher.

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?

47.Coronavirusisacontagiousdisease,soweshould()thediseasefromspreading.

47.“WASP”standsforWhiteAnglo-SaxonProtestant.

47.Howdomanyscientistsviewagingnow?A)Itmightbepreventedandtreated.B)Itcanbeasriskyasheartdisease.C)Itresultsfromavitamindeficiency.D)Itisanirreversiblebiologicalprocess.