高中英语学习材料（灿若寒星*制作整理）Unit4同步检测Ⅰ.阅读理解ALessthan60percentofstudentsnowenteringfour-yearAmericancollegesarelikelytograduate.Thecompletionrateislowerthanthatofalmostanyotherwealthycountry.OnTuesdayPresidentObamagaveanationallybroadcastspeechtostudentsabouttheimportanceofstayinginschool.HespokeonthefirstdayofclassesatahighschoolinVirginia.Hetalkedaboutpersonalresponsibility，andusedhimselfasanexampleofsomeonewhoovercamedifficulties.“MyfatherleftmyfamilywhenIwastwoyearsold，andIwasraisedbyasinglemotherwhohadtoworkandstruggledattimestopaythebillsandwasn’talwaysabletogiveusthingstheotherkidshad.ThereweretimeswhenImissedhavingafatherinmylife.ThereweretimeswhenIwaslonelyandfeltlikeIdidn’tfitin，”saidPresidentObama.Buthetoldstudentsthatproblemsintheirownlivesshouldnotstopthemfromlearning.“There’snoexcusefortalkingbacktoyourteacher，orcuttingclassordroppingoutofschool.There’snoexcusefornottrying.”Thiswasnotthefirstpresidentialspeechtostudents.RonaldReaganspokefromtheWhiteHousein1988.AndGeorgeH．W.BushspokefromaschoolinWashingtonin1991.Butmanyconservatives(保守者)criticizedplansforthespeech.Somecalledit“socializededucation”orfederalinterference(干预)inlocalschools.Othersfeareditwouldbetoopolitical.Someschoolsdecidednottoshowthespeech.ButtheWhiteHousereleased(发布)thetextonMonday，andthatcalmedalotofcritics.OnSunday，ontheCBSprogram“FacetheNation”，UntiedStatesSecretaryofEducationArneDuncansaid30percentofstudentsdonotgraduatefromhighschool.Hecalledthedropoutrate“staggering(令人吃惊的)”．Itrepresentsmorethanamillionstudentseveryyearwhoenteredninthgradebutdidnotcomplete12thgrade.【文章大意】本文是一篇新闻报道，主要介绍了美国总统奥巴马发表电视演讲，呼吁学生们克服困难，继续学业，人们对演讲有不同的评价。1．PresidentObamagaveanationallybroadcastspeechonTuesdayto________．A．criticizethestudentswhotalkedbacktotheirparentsB．tellthestudentshowhestruggledtogotoschoolinhischildhoodC．encouragestudentstodropoutD．persuadethestudentstogoonwiththeirstudieseveniftheyhaveproblems解析：选D。细节理解题。根据第二段内容可知，奥巴马发表电视演讲的目的在于呼吁学生们克服困难，继续学业。2．Whichofthefollowingstatementsistrueaccordingtothepassage?A．SomepeopleconsideredObama’sspeechtobetoopolitical.B．GeorgeH．W.BushspoketostudentsfromtheWhiteHousein1990.C．Obama’smotherlefthimwhenhewastwoyearsold.D．TheWhiteHousedecidednottoreleasethetextonMonday.解析：选A。细节理解题。根据倒数第二段第三句可知，有些人担心演讲太过于政治化。3．Itcanbeinferredfromthepassagethat________．A．40percentofAmericanhighschoolstudentsdropoutB．thedropoutrateofAmericanschoolsisamazingC．onlyonemillionstudentscanfinish12thgradeeachyearD．notallthepeoplesupportthepresident’sspeech解析：选D。推理判断题。根据倒数第二段的内容可知，许多保守派人士批评了总统的演讲，故可推知，并不是所有的人都支持总统的演讲。4．Whichofthefollowingcouldbethebesttitleofthepassage?A．Obama’sHardChildhoodB．ObamaEncouragesStudentstoCarryonStudiesC．Obama’sSpeechMetCriticismD．AmazingDropoutRateoftheUS解析：选B。主旨大意题。本文主要介绍了美国总统奥巴马发表电视演讲，呼吁学生们克服困难，继续学业。BThepinyon(食松)isoneofthemostimportanttreespeciesintheAmericanWest，providingfoodandshelterforhundredsofwildlifespeciesincludingsongbirds，squirrelsandrabbits.Pinyonseedsareoftenusedtomakesweets.Butanewresearchsuggeststhatman-madenoi...
