Unit 2 The Olympic Games Period2 一，词与词组take part in参加take part in, join, join in, attend的区别take part in 指参加某种活动，如体育、比赛、游戏、讨论、战斗等，并积极地起着作用。Join 指参加某组织并成为一员。Join in 指参加活动或游戏，和take part in 相当。但 join sb. in⋯ （和某人一起做某事）, 不等于 take part in。attend表示参加会议（聚会）等。翻译 : We all took part in (joined in) the sports meeting. compete vi. 比赛，竞争，竞赛compete in ⋯compete for⋯compete with/against 翻译 : He believed that nobody could compete with him. competition n竞赛 competitor n 参赛者 competitive adj 竞赛的host vt 主办，举办 n （待客的）主人翻译 : When do you think China will the World Cup? She was away, so her son acted as host. 英语中有许多词汇既可作动词，也可作名词：help, shop, talk 等。used to do sth “过去常常做某事（现在已不）”其中 used to 看作情态动词， 其否定形式和疑问形式为：1）否定：used not(usedn ’t) to+do; did not(didn’t) use to+do 2）疑问： used+主语 +to+do; did+主语 +use to+do 翻译 : She usedn ’ t to play computer games, used she? 另外， 1）be used to do sth.“被用于⋯⋯”是use sth. to do sth.的被动形式，2）而be used to sth./doing sth.表示“习惯于做某事” 。翻译 : 1)Wood can be used to make desks. 2)I am used to the weather in Guangzhou. *Every four years athletes from all over the world are admitted as competitor. Every adj 与数词连用， “每（隔）⋯ ...” , 具体用法是： Every+ 基数词 +复数名词（或 +序数词 +单数名词）每年： every year 每两年（每隔一年） ：every two years/every second year 每四年（每隔三年） ：every four years/every fourth year 表示“每隔一“还可用every other+单数名词，如：every other day “每隔几⋯ .. ”用 every few+复数名词，如every few metres,每隔几米admit 允许（加入某组织或参加某个活动）常用被动be admitted to(介词 ) 获准做某事翻译 ...
