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U31heatenergy热能2movingenergy动能3soundenergy声能4lightenergy光能5adangerousservant一个危险的仆人6apacketofsweets/tea/cigarettes/electricity一包糖/茶叶/香烟/电7getsb.sth./getsth.forsb.为某人拿某物8atlast/finally/intheend最后，终于9lookfoolish/silly/stupid看上去很愚蠢10inpackets论包（买、卖）11flowthroughawire在电线里流动12asmallamountof/alargeamountof少量/大量（修饰不可数名词）13asmallnumberof/agreatnumberof少量/大量（修饰可数名词）14abillforsth.一张…的帐单15inaway在某种程度上16muchmoredangerous危险得多17becarefulwithsth.小心对待某事18scratchone'shead抓挠某人的头19change/turnAintoB把A变为B20beinvisible(tosb./one’seyes)是看不见的21differentformsofenergy不同的能量形式22thinkofanexample举出一个例子23alightbulb一个电灯泡24beconnectedto被连接到……25beburiedunderthestreet被埋在街道底下26callAB把A称作B27apowerstation一个电站28comebacktosp./returntosp.返回某地29make/produceelectricity发电30explainsth.tosb.向某人解释某事31receivesth.fromsb.收到某人的某物32trytodosth.试图做某事33besurethat…确信……34rideabicycle骑自行车35driveacar开车36playchess下棋37playtheguitar弹吉他38turnon/off//switchon/off打开/关掉39bereplacedwith被……替代40aswellas同样，也41tellsb.what(not)todo告诉某人什么该（不）做42turnleft/right左/右转43makeanoise吵闹，喧哗44askfor/givepermission征求许可/准许45electricalappliances家用电器46aproblemwiththeelectricity一个关于电的问题47gooff消失48dealwithsth.处理某事49betweenAandB在A和B之间50airconditioner空调51washingmachine洗衣机52vacuumcleaner吸尘器53ricecooker电饭堡54allovertheworld遍及世界55takealookatsth.看一看某物56believein相信57safetyfirst安全第一58coverthemeat把肉盖好59lockthedoor锁门60lookthroughthepeephole透过猫眼看61picksth.up/pickupsth.捡起某物62testthewater测试水温63makerules制定规则64encouragesbtodosth鼓励某人做某事65stopsbfromdoingsth阻止某人做某事66findsbdoingsth发现某人做某事67decidetodosth决定作谋事68answerthetelephone听电话69leanoutofsth.向外倾斜70readcomics读连环书71keepsthtidy保持某物的整洁72bepolitetosb对某人有礼貌73dressproperly穿着整洁74inonewayoranother以这样或那样的形式75allkindsofgoods各种各样的商品76getajobasasecurityguard获得了当一名安保的工作77asksb.todosth.让某人做某事78asetofrules一系列规则79putonthenoticeboard贴在公告栏上80beallowed/permittodosth.//benotallowed/prohibittodosth.(不）被允许做某事81ofanykind任何的82obey/breaktherule遵守/破坏规定83publictransport公共交通工具1Whatdoeshelooklike?他长什么样？2Whatishelike?他人怎么样？1servantn.servev.servicen.2laughv.laughtern.3reallyad.reala.realizev.4foolisha.fooln.&v.ant.wise5monthlyad.(=onceamonth/everymonth)monthn.6explanationn.explainv.7energyn.energetica.8connectv.connectionn.9(im)politelyad.(im)politea.politenessn.10containv.containern.11invisiblea.visiblea.visionn.12changev.&n.changeablea.13powern.powerfula.powerlessad.14electricityn.electrica.electricala.15measurev.measurementn.16producev.productn.producern.