高一英语unit 2 english around the world人教实验版知识精讲.docVIP

高一英语Unit 2 English around the world人教实验版 【本讲教育信息】 一. 教学内容： Unit 2 English around the world 二. （一）重点单词1. even if = even though：in spite of the fact; no matter whether 即使；尽管。 Even if we have learned “even though”, we still find it difficult to use. 尽管我们学过“even though”，但我们还是发现运用它很难。 He likes to help us even though he is very busy. 尽管他很忙，他还是愿意帮我们。 2. request 用作名词时， request （for sth / that）：act of asking for sth in speech or writing 要求；请求。 Your request will be granted. 你的请求将能获准。 用作动词时， request sth （from / of sb）：to ask sb, esp politely, in speech or writing to do sth 要求；请求。 I requested him to help me. 我请求他帮助我。 ask, beg与request的区别 若要某人做某事，ask是最通俗、最口语化的词。 I asked her to shut the window. 我让她关上窗户。 request主要用于较正式的讲话和文字中，常用于通告中，多用于被动语态。 Passengers are kindly requested not to smoke in the car. 乘客请勿在车厢内（或汽车内）吸烟。 beg指以谦恭的姿态要求给予巨大的帮助。 He knew he had hurt her and begged her to forgive him. 他自知伤了她的心而央求她原谅。 3. block （n. ） 1）large solid piece of wood, stone, metal, etc, usually with a flat surface 木、石、金属等的大块 （通常为有平面的）。 There is a block of stone on the road. 在路上有一块大石头。 2）large building divided into separate flats or offices （有许多相互独立的公寓或办公室的）大建筑物。 The blocks of flats are near the supermarket. 这些公寓大楼在超市附近。 3）group of buildings bounded by streets on four sides （四面临街的）建筑群。 I always go for a walk round the block every day. 我每天都绕楼群散步。 4）（esp US）length of one side of such a group （of buildings）（此类建筑群）一侧的长度。 He lives three blocks away from here. 他住的地方与此处相隔三条街。 4. play a role / a part （in sth） play a role：to act, take the actor’s part in a play 扮演角色。 He has played all kinds of roles in his life. 他一生中扮演了各种各样的角色。 play a part：to be involved in an activity 参加某活动。 She played an active part in the local community. 她积极参与地方活动。 两个短语都可以表示 to make a contribution to sth; have a share in sth 对某事起作用、有贡献。 She played an important role / a major part in winning the match. 她对这场比赛的胜利起了重要作用。 5. because / because of because （conj. ）: for the reason that 因为。用于从句的开头，放在主语和谓语动词前面。 We were late because it rained. 因为下