Unit 1 Topic 1take place 发生（一般是有计划的） 而 happen 表示偶然发生by the way 顺便问（说）一下There goes the bell 铃响了jump rope 跳绳farm work 农活in detail 详细地child laborer 童工give support to 给……提供帮助thanks to 多亏with the development of 随着……的发展living condition 生活条件see sth
oneself 亲眼看到be crowded in 挤在……中 live a hard life 过着艰苦的生活leisure activity 娱乐生活keep in touch with sb
和……联系reform and opening-up 改革开放succeed in 成功做某事in the present／at present 在现在make progress 发展be excited at 因为……而兴奋in the open air 在户外hide-and-seek 捉迷藏working tool 劳动工具school supply 教学设备draw up 起草draw up a line 拟大纲take note 做笔记consider doing 仔细思考Unit 1 Topic 2not …… any more 不再get lost 走失in recent …… 最近one-child policy 独生子女政策no one 没人a report on 一则关于……的报导increase by 以……(速度)增长developed country 发达国家developing country 发展中国家carry out 执行difficult for people to
