全国职称英语考试理工A类完形填空辅导题_1.docx

全国职称英语考试理工A类完形填空辅导题全国职称英语考试理工A类完形填空辅导题openyoureyesandseethingsastheyreallyare.以下是小编为大家搜索整理的全国职称英语考试理工A类完形填空辅导题，希望能给大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网!Avalanche(雪崩)andItsSafetyAnavalancheisasuddenandrapidflowofsnow,oftenmixedwithairandwater,downamountainside.Avalanchesare__________(1)thebiggestdangersinthemountainsforbothlifeandproperty.Allavalanchesarecausedbyanoverburdenofmaterial,typicallysnowpack(积雪场),thatistoomassiveandtrustablefortheslope__________(2)supportsit.Determiningthecriticalload,theamountofover-burdenwhichis__________(3)tocauseanavalanche,__________(4)acomplextaskinvolvingtheevaluationofanumberoffactors.Terrainslopesflatterthan25degreesorsteeperthan60degreestypicallyhavealow__________(5)ofavalanche.Snowdoesnot__________(6)significantlyonsteepslopes;also,snowdoesnot__________(7)easilyonflatslopes.Human-triggered(激发)avalancheshavethegreatestincidence(发生率)whenthesnow'sangleofrestis__________(8)35and45degrees;thecriticalangle,theangleatwhichthehumanincidenceofavalanchesisgreatest,is38degrees.Theruleofthumb(经验法则)is:Aslopethatis__________(9)enoughtoholdsnowbutsteepenoughtoskihasthepotentialtogenerateanavalanche,regardlessoftheangle.Additionally,avalancheriskincreaseswith__________(10);thatis,themoreaslopeisdisturbedbyskiers,themorelikelyitisthatanavalanchewilloccur.Duetothecomplexityofthesubject,wintertravellinginthebackcountry(人烟稀少的地区)isnever100%safe.Goodavalanchesafetyisacontinuous__________(11),includingrouteselectionandexaminationtothesnowpack,weather__________(12),andhumanfactors.Severalwe|l-knowngoodhabitscanalso__________(13)therisk.Iflocalauthoritiesissueavalancheriskreports,theyshouldbeconsideredandallwarningsshouldbepaid__________(14)to.Neverfollowinthetracksofotherswithoutyourownevaluations;snowconditionsarealmostcertaintohavechangedsincetheyweremade.Observetheterrainandnoteobviousavalanchepathswhereplantsare__________(15)ordamaged.Avoidtravelingbelowotherswhomighttriggeranavalanche.1.A.amongB.ofC.toD.in2.A.whenB.thatC.whoD.whose3.A.mostlyB.likelyC.