第页8BUnit1TreesP11.naturen.自然；天性---naturala.自然的；天生的；本能的---unnaturala.不自然的e.g.◆keepthebalanceofnature保持生态平衡innature在自然界◆naturalfood天然食品anaturalfootballer一个天生的足球运动员2.seedn.种子3.strangea.奇怪的；陌生的---strangern.陌生人P21.livev.=exist生存；居住--lifen.(lives)生活；生命--livinga.活着的；逼真的--alivea.活着；在世e.g.◆saveone’slife救某人的命◆loseone’slife失去某人的生命savehislifeloseyourlifesaveourliveslosetheirlives◆alllivingthings一切生物◆keepsb.alive使某人活着Latinisnotalivinglanguage.findhimselfalive发现他自己还活着拉丁语不是现代用语。Thegreatmanisstillalive.那个伟人还活着。2.ontheleft在左边---ontheright在右边3.averagea.平均的e.g.◆Heisaverageheight.他中等身材。Theaverageageofthestudentsis15.平均年龄4.mousen.–micepl.老鼠5.tortoisen.–tortoisespl.乌龟6.humann.人类–humanspl.a.人的；人类的e.g.humanbeings人类7.pollutev.污染–pollutionn.e.g.airpollutionwaterpollutionnoisepollutionpolluteda.被污染的e.g.Thewaterispolluted.这水被污染了。8.itemn.条款；项目；一件物品anitem9.well-knowna.=famous著名的--better-known(比较级)—best-known(最高级)10.magnoliatrees玉兰树11.sweet-smelling芳香的12.beknownas被誉为know—knew--known13.show—showed—shown/showede.g.showmeyourwatch=showyourwatchtome14.decidev.决定–decisionn.e.g.decide(not)todosth.决定（不）做某事makeadecision做决定15.probablyadv.=possibly=perhaps=maybe也许；大概；可能P31.pollutionfighters污染斗士2.fightv.—fought—foughtv./n.打架；战斗---fightern.斗士；战士e.g.fightagainst/with与某人打架/打丈haveafight打一架3.collectsomefacts收集一些事实/资料---collectionn.infact事实上amatteroffact真相4.aclassprojectonpollution一个有关污染的班级课题5.interviewsb.aboutsth.采访某人关于某事6.sciencen.科学---scientistn.科学家e.g.Einsteinwasoneofthemostfamousscientistsintheworld.爱因斯坦是最著名的科学家之一。7.interestn./v.兴趣；爱好；利益/使感兴趣–interesteda.感兴趣的–interestinga.有趣的◆manyinterests许多兴趣=manyhobbiesshowgreatinterestinsth.对某事表现出极大兴趣◆beinterestedinsth./doing对……感兴趣；=bekeenonsth./doing8.ontheearth在地球上；在世界上onearth究竟e.g.Whereonearthareyougoing?9.whatgood什么好处good在这里是名词，意为“好处”=benefitn.利益；好处10.makesb.(not)dosth.使某人（不）做某事-–made--made11.make+sb./sth+adj.使（某物/人）变得（怎么样）e.g.Thenewsmadealltheboysveryhappy.这个消息使得所有的男孩很高兴。12.makesb.+n.使某人成为……e.g.makehimagreatrunner使他成