Unit2 I'll help to clean up the city parks名词：sign 标志；信号feeling 感觉satisfaction 满足；满意joy 快乐；快乐owner 物主；主人journey 旅行wheel 车轮；轮子letter 信difficulty 困难door 门training 训练；培训kindness 仁慈；善良动词：cheer 欢呼；喝采raise 募集；征集repair 修理fix 修理；安装imagine 想像open 打开carry 拿；提；携带train 训练；培训understand 理解形容词：lonely 孤单的；寂寞的strong 强健的；强烈的broken 破损的；残缺的disabled 丧失能力的；有残疾的blind 瞎的；失明的deaf 聋的excited 激动的；兴奋的clever 聪颖的副词：alone 独自；单独代词：several 几种；数个；某些兼类词：volunteer v 义务做；自愿做 n 志愿者notice n 告知 v 注意到change v&n 变化；变化interest n 爱好 v 使感爱好短语：clean up 打扫洁净cheer up 快乐振奋起来give out 分发；散发come up with 提出；想出put off 推迟hand out 分发call up 打电话给某人used to 曾经；过去care for 照顾try out 参与选拔；试用fix up 修理；安装give away 赠送；捐赠take after 像set up 建起；设置make a difference 影响；有作用知识点：1、clean up 打扫洁净I clean up my desk. 我把桌子打扫洁净。The room is too dirty, please clean it up. 房间太脏了，请打扫洁净。2、help（to）do sth 协助做某事；有助于做某事The medicine helps（to）reduce the pain. 这种药有助于减轻疼痛。She helps（to）choose a new bag for me. 她帮我选了一种新包。 help sb with sth = help sb（to）do sth 协助某人做某事Tom helps Lucy with English. = Tom helps Lucy（to）learn English. Tom 协助 Lucy 学英语。3、cheer up 使快乐，振奋They sing a song to cheer up the players. 他们唱歌鼓舞运动员。They need a holiday to cheer them up. 他们需要一种休假使他们振奋起来。4、give out 分发；散发 give away 捐赠 give up 放弃5、volunteer to do sth 志愿做某事As a volunteer, Thomas volunteer to help others. 作为一种志愿者，Thomas 志愿协助他人。6、put off 张贴；举起 put off 熄灭put on 穿上 put down 放下7、notice sb do ...
