Unit 1 talltaller更高的 shortshorter 更矮的 strongstronger更强壮的 oldolder 年龄更大的 youngyounger 更年轻的 bigbigger更大的heavyheavier 更重的 longlonger 更长的 thinthinner 更瘦的 smallsmaller （体型）更小的 Unit 2 have a fever 发烧 have a sore throat喉咙疼 have a cold感冒 have a toothache 牙疼 have a headache 头疼 matter事情，麻烦 sore 疼的 hurt疼痛 nose 鼻子 tired疲劳的，累的 excited兴奋的 angry生气的 happy高兴的 bored无聊的，烦人的 sad 忧伤的，悲伤的 www.ryedu.net Unit 3 watchwatched 看 washwashed 洗 cleancleaned打扫 playplayed玩 visitvisited 看望 dodid last weekend上一个周末 gowent去 go to a parkwent to a park 去公园 goswimmingwent swimming去游泳 go fishingwent fishing去钓鱼 readread 读 go hikingwent hiking 去郊游 Unit 4 learn Chineselearned Chinese学汉语 sing and dancesang and danced 唱歌和跳舞 eat good foodate good food吃好吃的食物take picturestook pictures 照相 climbclimbed 爬 havehad buy presentsbought presents买礼物 row aboatrowed a boat 划船 see elephantsaw elephant 看大象 go skiingwent skiing 去滑雪 go ice-skatingwent ice-skating 去滑冰 how怎么，如何 getgot 到达 last上一个的，仅余的，留在最后的