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1、课时作业 Ⅰ.阅读理解(2019·湖北省黄冈市高三检测)Airbags,nowfoundinalmosteveryvehicle,havesavedcountlesslivesandlargelyreducedtheseverityofinjuriesincrashes.Similartechnologycouldgreatlyreducebrokenhips(髋部)resultingfromafall,somethingmostseniorsfear.DrRobertBuckmanandhisstartupcompany
2、,ActiveProtectiveinAllentown,Pennsylvania,hasdevelopedapromisingsolution,awearableairbagthatcanprotecthipbonesintheeventofafall.TheideawastheresultofDrBuckman'syearsasadoctoratTempleUniversity.Henoticedhowmanyelderlypeoplewerebeingbroughtintohospitalswithbrokenhip
3、duetofalls,andhowtheyoftennevercompletelyrecoveredfromtheinjuries.Hestartedtoaskwhathecoulddoforthesepeople,andthatwaswhenhestartedtryingtofigureoutwhethertherewasawayofhelpingpeoplewhowereatthehighestriskoffallingandsufferingthesekindsofinjuries.Thedeviceiswornmu
4、chlikearegularbelt,butontheoutsideoftheclothing,anditincludessensorsthatmonitorthemovementofhips.Ifthedevicedetectsthattheperson,isfalling,anairbagopensbeforethepersonhitstheground,cushioningthefall.Whenthewearerhitstheground,thebagreducestheforcetothehipbonesby90
5、percent,enoughtoavoidthemajorityofhipinjuries.Withoneoutofeverythreepeopleaged65andoldersufferingseriousfallseachyear,ActiveProtectivehasabigmarketforitswearabledevice.Italsohasthepotentialtosizablyreducehiprelatedhealthcareexpenses:Hipinjuriesamongtheelderlycostt
6、heUShealthcaresystemin2012$30billion,whichdoesn'tincludethelongtermcareexpensesassociatedwiththehighpercentageofpatientsthatcannolongerliveindependently.本文是一篇说明文。讲述一个从医多年的医生为了降低老人跌倒的严重程度，专门研发了一款可穿戴的气囊。该气囊内置监测器，当检测到老人跌倒时，气囊会自动打开，避免老人髋骨受伤。1．WhatisthepurposeoftheActi
7、veProtective'sairbag?A．Toavoidhipinjuriesamongseniors.B．Toprotectseniorsfromcaraccidents.C．Tohelpseniorswiththeirdailynursing.D．Tohelpdoctorsdealwithseriousinjuries.答案：A解析：推理判断题。根据第二段DrRobertBuckmanandhisstartupcompany,ActiveProtectiveinAllentown,Pennsylvania,hasd
8、evelopedapromisingsolution,awearableairbagthatcanprotecthipbonesintheeventofafall.可知，该公司研发了一款可穿戴的气囊，为了在老人跌倒时保护老人的髋骨，故选A。2．WhatinspiredDrRobertBuckmantom
