职称英语考试完形填空理工A专项辅导精编.docx

职称英语考试完形填空理工A专项辅导

2017年职称英语考试完形填空理工A专项辅导 形成天才的决定因素应该是勤奋。以下是小编为大家搜索整理的2017年职称英语考试完形填空理工A专项辅导，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)andItsSafety Anavalancheisasuddenandrapidflowofsnow,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.among B.of C.to D.in 2.A.when B.that C.who D.whose 3.A.mostly B.likely C.cl