Unit4GlobalwarmingI.Phrases1.globalwarming全球气候变暖2.asupplyof/suppliesof大量的3.dependon依靠4.humanactivity人类活动5.anaturalphenomenon自然现象6.betrappedin...被困在……7.aquantityof/quantitiesof+n.大量的8.resultinresultfrom导致..原因是..9.asaresult=inconsequenceasaresultof=inconsequenceof因此of由于…的缘故10.buildup逐渐建立11.keepon保持12.makeadifferencemakenodifference有影响；有关系对……没有影响；不重要13.putupwith…忍受14.as/solongas只要15.andsoon等等16.glanceat…很快地看……一眼..17.onthewhole大体上18.compare…to.../compare….with与…相比19.comeaboutcomeacrosscomebackcomedowncomeincomeoutcomeupcomeupwithcometo发生(不及物)偶遇;穿过回来降下;减低进来;到达出来;出版上来;被提出讨论;发芽追上;赶上结果达到;苏醒120.heatup受热21.upto多达;比得上22.intheyearsahead今后一些年里23.carryout执行24.decreasebydecrease(from…)to下降了……（从……）下降到25.greenhouseeffect温室效应II.Sentences1.Thatprobablydoesn’tsoundverymuchtoyouortomebutitisarapidincreasecomparedtomostnaturalchanges.这对你我来说很可能是无所谓的，但是跟多数自然变化相比较而言，这却是一种快速的增长。2.Thereisnodoubtthattheearthisbecomingwarmerbutthereisfiercedebateoverwhetheritishumanactivitythathascausedthisglobalwarmingorwhetheritisjustanaturalphenomenon.毋庸质疑的是地球正在变暖,但关于它变暖的原因是由于人类活动所致还是一种自然现象还存在激烈的争论。3.Withoutthe“greenhouseeffect”,theearthwouldbeaboutthirty-threedegreesCelsiuscoolerthanitis.如果没有这种“温室效应”，地球的温度将比现在的温度还要低33摄氏度左右4.Somepeoplethinkfutureglobalwarmingwouldcausethesealeveltorisebyseveralmeters;otherspredictseverestorms,droughts,famines,thespreadofdiseases,andthedestructionofspecies.有人认为全球变暖会导致海平面上升好几米;也有人预言会出现严重的风暴、干旱、饥荒、疫病和物种的灭绝．5.Itisthegreenhouseeffectthatgivestheearth’ssurfacetheaveragetemperatureof15℃温室效应使得地球表面的平均气温达到了15℃.6.Together,individualsmakeadifference.众人拾柴火焰高。7.Yourcontributioncounts.你的贡献很有价值。2Unit5ThepowerofnatureI.Phrases1.avolcanoerupting一次火山爆发2.anactive/alivevolcano活火山3.compare…with/to…compare…to…把……和……进行比较把……比作……4.imaginedoingsth.设想做某事5.takerisks/ariskatriskattheriskofdoingsth.…riskdoingsth.冒险处于危险之中冒……危险冒险做某事6.meetwithsb.碰到、遇到某人7.excitesb./oneself使某人/自己激动8.protectsb./sth.from…保护……免遭……9.bewarned(not)todosth.warnsb.ofdanger被警告（不要）去做某事警告某人有危险10.movesth.outoftheway把……搬离……11.burntotheground全部焚毁12.farmore(=muchmore)多得多，多很多13.thefirstsightof…第一次看见……14.befastasleep睡得很熟15.beabouttodosth.…when…正要做某事……就在这时……16.asbrightasday亮如白昼17.inthedistanceata/somedistance在远处（大范围的）(有间隔的)在远处（的具体某地）18.inthesideofthemountain在山的一边19.haveamuchcloserlook(atsth.)近距离的观看(某物)20.beinapanicgetintoapanic陷入恐慌（状态）陷入恐慌（动作）21.makeone’swayto…前往…….22.climbdowninto…爬进……323.beenthusiasticabout…对……怀着热情24.beamazedat…对……感到惊讶25.takesb.bysurprisetakesth.bysurprise使某人大吃一惊突袭26.makeanefforttodosth.努力做某事27.beoutofwork失业28.(the)LakeofHeaven天上的湖（天池）29.thickforest茂密的森林30.naturereserve自然保护区31.varyfrom…to…由……到……不等32.agreatdiversityof多种多样33.takeabath沐浴34.givebirthtosb.生小孩35.glancethrough匆匆看一遍36.beboredwit...
