备战高考英语一轮复习第十一套英语5Units1_2单元训练B卷，含解析.docx

《备战高考英语一轮复习第十一套英语5Units1_2单元训练B卷，含解析.docx》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、此卷只装订不密封班级姓名准考证号考场号座位号单元训练金卷·高三·英语卷（B）英语5Units1-2注意事项：1.答题前，先将自己的姓名、准考证号填写在试题卷和答题卡上，并将准考证号条形码粘贴在答题卡上的指定位置。2.选择题的作答：每小题选出答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑，写在试题卷、草稿纸和答题卡上的非答题区域均无效。3.非选择题的作答：用签字笔直接答在答题卡上对应的答题区域内。写在试题卷、草稿纸和答题卡上的非答题区域均无效。4.考试结束后，请将本试题卷和答题卡一并上交。第Ⅰ卷第一部分：听力(共两节，满分30分)略第二部分：阅读理解(

2、共两节，满分40分)第一节（共15小题：每小题2分，满分30分）阅读下列短文，从每题所给的四个选项（A、B、C和D）中选出最佳选项，并在答题卡上将该项涂黑。AResearchersatOxfordUniversitysaytheyhavedevelopedanewmethodthatcouldpredictheartattacksyearsbeforetheyhappen.Theyusemathematicalalgorithms(演算法)toexamineCTimagesofapatient'sheart.Onereportontheirstudyha

3、sbeenpublishedinthemedicaljournalTheLancet.Mostheartattacksresultfromabuild-upoffattytissueinsidearteries(动脉)thatcarrybloodfromthehearttootherareasofthebody.Toomuchbuildupcanblockthisflowofbloodandcauseaheartattack.Currently,doctorsuseCTscanstolearnwhenastickysubstancecalledplaqu

4、ehasalreadybuiltupinsideanartery.Thenewtechnologyisdesignedtopredictwhicharteriesareatriskforfuturebuildup.Howmuchfatispresentaroundheartarteriesalsocanbemeasured.Thatfatchangeswhenanarterybecomesinflamed(发炎),servingasanearlywarningsystemforheartattacks.CharalambosAntoniades,apro

5、fessorofcardiovascula(心血管)medicineatOxfordUniversity,believestheresearchshowsthismethodcouldbeveryeffectiveingettingpatientstotakeearlystepstopreventfutureproblems.“Sayyourarteriesareinflamedandanarrowingwillbedevelopedfiveyearsdowntheline.Somaybeyoucanstartpreventivemeasurestoav

6、oidthisformationofplaques,”hesaid.“Ifyouareabletoidentifyinflammationinthearteriesoftheheart,thenyoucansaywhicharterieswillcauseheartattacks.”Antoniadesaddedthatresearchershadyettoestimateexactlyhowmanyheartattackscouldbeprevented.Buthesaidhebelievesthetechniquecouldhelpidentifyb

7、etween20to30percentofpeopleatriskofhavingone.HeaddedthatthenewtechnologywillmakesuchpredictionseasierbecauseitworkstogetherwithexistingCTtechnology.21.Youcanidentifywhicharterieswillcauseheartattacksby.A.locatingwheretheinflamedarteriesareB.seeingacardiovasculardoctorC.developing

8、anewmethodtopredictitD.measuringhowmuchf