高二英语Unit6单词讲解 新课标 人教版 试题.doc

高二英语Unit6单词讲解单词1.forecast--Toestimateorcalculateinadvanceespeciallytopredict(weatherconditions)byanalysisofmeteorologicaldata.预测预报提前预料或估计尤其指通过对气象数据的分析来预测（天气状况）Toserveasanadvanceindicationof;foreshadow:预示作为提前的预兆；预示：weatherforecastforecasttheweatherSnowhasbeenforecastedfortomorrow.Wecanhardlyforecasttheresult.predictandforecastpredict用经验、感觉来判断forecast对未来事件的预测建立在某种知识或判断上对天气的预测是建立在科学的判断上的Rainhasbeenforecastfortomorrow.Scientistsstillcannotpredictwhentheearthquakeswillhappen.MrsJonespredictedthatallthestudentswouldpasstheexamandtheydid.2．trendn.1)(海岸、河流、山脉等)走向方向2)ageneraldirectionorcourse趋势倾向动向3)atendencyadrift流行时尚Thehillshaveawesterntrend.thetrendofacoast-line海岸线的走向thetrendofmodernliving现代生活的趋势3.indicate表明;象征;暗示Asignpostindicatedtherightroadforustofollow.路标指给我们应走的路。Feverindicatessickness.身体发烧表明有病。Thecommitteeindicatedthatitmighttakeaction.委员会表示可能采取行动。4.ensurevt.tomakesuretoguarantee1)保证;担保保险2)保护;使安全(againstfrom)3)保证给赋予(tofor)ensuresuccess[safetysupplies]保证成功[安全供应]ensuresb.against[from]danger保护某人免受危险Aletterofintroductionwillensureyouaninterview.凭一封介绍信准保会接待你。5.necessity1)需要；必需；必要Waterisanecessityoflife.水是生命必不可少的。Outofnecessityoroutofinterestpeoplegobacktoschoolforthecommongoal-toimprovethemselves.不管是出于需要还是出于兴趣爱好人们重返学校是为了一个共同的目标就是提高自己。2)必需品Foodandclothingarenecessitiesoflife.食物和衣服都是生活的必需品。3)贫穷贫困Sheisnowinnecessity.她现在很穷。6.remainvi.beleftorstillpresentafterotherpartshavebeenremovedorusedordealtwith剩余残存剩下Thechildrenateandateuntilnofoodremainedonthetable.tostayinthesameplacestaybehind停留留下；逗留（比stay更正式）AfterthepartyJudyremainedandhelpedmedothedishes.聚会之后朱迪留下来帮我清洗碗盘。Howlongwillyouremainhere?你要在此地停留多久？3）linkv.—tocontinuetobetostayinthesamecondition仍然依然TheweatherstillremainedcoldinApril.虽然时序已进入四月天气仍然还很冷。Thetrueauthoroftheb