Unit-1-Nature-in-the-balance-welcome-to-unit-and

unit1NatureinthebalanceWelcometotheunit&Reading短语doharmto..对…造成伤害cutdown砍倒;削减,缩小(尺寸、数量或数目)cutdowntrees砍树soundthealarm发出警报naturalwonder自然奇观documentaryscript纪录片脚本awiderangeof..各种各样的…judgingfrom/by...根据…判断naturaltreasure大自然珍宝aseaof大量的，大片的alivewith充满，到处都是(活的或动的东西)playasignificantrole/partin...在……中起着重要的作用，在……中扮演重要角色maintainthefinebalanceof...保持…的微妙平衡withanareaof...面积为…morethan超过；很，非常inlength在长度上providesth.for...为…提供某物avarietyof各种各样的asystemofroots根系treeroot树根livingthings生物closetoextinction近乎灭绝foodchain食物链feedon...以…为食inturn相应地,转而anarmyof..一大批…breakdown使分解bepoorinnutrients缺少养分cattlefarming养牛beknownas...被称作…breathelifeinto...给……带来起色,注入活力agriculturalland农田treasurehousen.宝库,宝地haveanimpacton..对…有影响goaway离开;消失foronething...,foranother(thing)….首先……，再者…on(the)onehand...,ontheother(hand)….意为一方面……，另一方面…ahot/mild/warm/wetclimate炎热的/温和的/温暖的/潮湿的气候buildup(使)逐渐增加，(使)扩大takein在此意为“吸收”。makecomparisonsbetween..and...在…与……之间作比较unit1Grammarandusage&Intergratedskills知识点1.leaveout省略；遗漏；排除；忽视globalwarming全球变暖aglobaltour环球旅行greenhousegases温室气体leadingexperts最杰出的专家7.comeupwithcreativeideas想出有创意的点子comeupwith想出,想到8.callfor(公开)要求;需要ajobapplication求职申请aletterofapplication求职信anapplicationform申请表atravel/holidaybrochure旅游/度假手册makeabrochure制作小册子11.hadplannedtodosth.本打算做某事(却未做)makeeveryefforttodosth.竭尽全力做某事13.keepawayfrom..远离…bedevotedto...专心于/致力于…;热衷于……(to为介词，后跟动词时要用其v-ing形式)Whatif..在此意为要是……将会怎么样/如果……怎么办”。.attheentranceto在……的入口18.stopsb.(from)doingsth.阻止某人做某事cleanup打扫(或清除)干净signup(forsth.)报名(参加课程)divide...into..将……分成……springtomind突然记起(或想到)havethegreatestimpacton..对……有最大的影响haveanindirectimpacton...对…有间接的影响havedamagingeffects/influenceon...对……有破坏性的影响animalhabitat动物栖息地lightpollutionn.[U]光污染(人工照明造成)naturalhabitat天然栖息地farfrom远离……;远非…protectedareas保护区endangeredanimals濒危动物44.well-plannedadj.详尽规划过的well-managedadj.管理有方的，管理得好的45.takeactiontodosth.采取行动做某事(=takemeasurestodosth.)46.atrisk有危险；冒风险47.beofgreatimportance(=begreatlyimportant)非常重要48.callonsb.todosth.号召某人做某事