unit 5 Educational exchange 要点短语: 1.fly to 飞往 2.long enough 足够长 3.Chinese culture 中国文化 4.host family 寄宿家庭 5.local school 当地学校 6.a group of 一群 7.junior high school 初级中学 8.an educational exchange 一个教育交流 9.be nervous 紧张 10.at first 起初 11.learn to do sth 学习做某事 12.teach sb sth 教某人某事 13.teach sb to do sth 教某人做某事 14.spend time do ing sth 花时间做某事 15.place of interest 名胜古迹 16.a bit of 一点 17.introduce sb to 把某人介绍给 18.keep doing sth 持续做某事 19.make friends with sb 和某人交朋友 20.plan to do sth 计划做某事 21.keep in touch with 与…保持联系 22.one another =each other 互相 23.so far 到目前为止 24.come over to (从远距离)来到 25.can’t wait to do sth 等不及做某事 26.be happy to do sth 很开心做某事 27.be proud of 为…而感到骄傲 28.take part in 参加 29.hope to do sth 希望做某事 30.the same…as 和…一样… 31.the rest of 剩余的 32.get ready for sth 为某事做准备 33.be friendly to 对…