2017-2018学年第一学期（人教）选修7unit1基础练习含答案

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1、2017-2018学年第一学期（人教）选修7Unitl基础练习含答案Task1:完形填空。阅读下面短文，掌握其大意，然后从以下题所给的A、B、C、D四个选项中，选出最佳选项。Wheneveradisastertakesplace,thousandsofpeoplestarttocontactvariousorganizationsandposttoonlinegroupsinanefforttotrytovolunteerat1.disastersite.Some2.jumpintotheircarsanddrivetothearea・But3.mostofthesepeopledo

2、n'trealizeisthatspontaneous（自发的）volunteers4.specifictrainingcanactuallycausemoreproblemsratherthanreducetheminadisastersituation.Indisastersituations,volunteers5.bementallyandphysicallypreparedtowork16hoursadayormoreinhighlystressedsituations.6.mayhavetoliveinsimpleconditions,sleepinginatenttha

3、ttheybringwiththem7.agymwithmanypeople.Andwhathappensifyougettothesituationanddiscoveryoucan'thandlewhatishappeningaroundyou?Volunteerswhoshowupuntrainedcangetinthewayrather&providesomehelp.Somakesureyouaretrainedifyouwanttobeavolunteer.（二）1.the考查冠词。此处特指“发生灾害的地方"，故填the。2.even考查副词。有些人甚至跳进车里就奔向（发

4、生灾难的）现场。3.what考查名词性从句的引导词。该空引导主语从句且在从句中作realize的宾语，故填what。4.without考查介词。没有接受过专业训练的自发的志愿者实际上可能会导致更多的问题。5.must考查情态动词。在灾难现场，志愿者们必须做好思想上和身体上的准备，准备在高强度的压力下一天工作长达16个小时，甚至更久。6.They考查代词。该空作主语，指代volunteers,故填they,首字母要大写。7.or考查并列连词。此空连接两个并列的名词短语atent和agym,且表示选择关系，故填oro8.than考查介词。ratherthan而不是。Task2：阅读理解。

5、从给的四个选项（A、B、C和D）中，选出最佳选项。Deception（圳d术）issomethingthatpeopledoallthetime,anditplaysanimportantroleinmilitary（军事的）strategy.Nowsomeresearchersaretryingtofigureouthowtogetrobotstodoit,bylookingatthebehaviorofsquirrelsandbirds.AtGeorgiaTech,ateamledbyRonaldArkin,aprofessorattheSchoolofInteractiveCo

6、mputing,studiedtheliteratureonsquirrelshidingtheiracorns（橡果）.Squirrelswillhidetheirfoodinacertainplace,butwhentheyseeothersquirrelstryingtostealfromthem,theyattempttofoolthethievesbyrunningtoafalselocation・RonaldArkinandhisPh.D.studentJaeeunShimusedthatasamodelforrobotbehavior・Theyprogrammedthe

7、robotintotrickinga"predator（捕食者广machinebydoingwhatasquirreldoes:showingtheenemyafalselocationforanimportantresource・Theteamalsolookedathowotheranimals—inthiscase,aspeciesofbirdcalledArabianbabbler—driveoffpredators・Ababblerwillmak