f1:80,000wouldfallintothecategoryofa______.A.sailingchartB.generalchartC.coastalchartD.harborchart【参考答案】C【参考译文】比例尺为1:80000的海图属于沿岸航行图。【解析】sailingchart航行图?generalchart总图 coastalchart沿岸航行图?harborchart港泊图【相关考题】1.?Thechangesinthechannel'ssandsandbuoysonthiscoastare______thischartcannotbeconsideredasasafeguideofthechannel.A.frequent B.sofrequentC.frequentthat?D.sofrequentthat【参考答案】D【参考译文】本航道的沙滩和浮标变化太频繁以至于该海图不能作为安全航行指导的依据。【解析】frequent频繁的?so……that那么……以至于 consider认为2.?Owingtoolddataofthesurveythepositionsandnumberofthebeaconsshownonthischartarenottobe______.A.consideredB.insuredC.relieduponD.suspected【参考答案】C【参考译文】由于该海图上所显示标志的位置和数量基于老的测量数据,因而不应该信赖。【解析】owingto由于 survey测量 beacon标志,这里指灯标、立标、无线电指向标等导航标志3.?ApilotchartdoesNOTcontaininformationabout______.A.averagewindconditionsB.tidalcurrentsC.icvariation