北师大版高中英语选修七第4讲：Unit20 New Frontiers-词汇篇1（学生版）.docVIP

Unit20 New Frontiers-词汇篇1 __________________________________________________________________________________ __________________________________________________________________________________ 1、掌握本单元warm-up及Lesson 1中的重点单词，短语及句型。 2、warm-up及Lesson 1中的重点单词，短语及句型。 一．重点单词 1. beneficial adj.有裨益的 词汇拓展： beneifit n.益处，好处 v. 使受益，得益于 短语拓展： be beneficial to 对…有益处 for sb.’s beneifit 为了某人的利益 beneifit from/by 得益于 Fresh air is beneficial to one’s health.新鲜空气有益于健康。 He hasn’t benefited from the experience.他并没有从这次经历中得到好处。 2.latter n.后者；adj.后者的，后面的(back) the former...，the latter...前者……，后者…… the latter part后部分 the latter point后一点 the latter year晚年 This latter part is of great importance. 后一个论点是非常重要的。 Of the two choices，I prefer the latter. 在这两个选择中，我更喜欢后者。 [夯实基础] (1)I invited Tom and Mary to my birthday party. The former (前者) is 15 years old and the latter (后者) is 14 years old. (2)Of your two examplesI prefer the latter(更喜欢后者). 3. present adj.现存的，当前的；在场的，出席的；n.礼物(gift)；目前；v.授予 (give...to)；展现，展示；呈现；主持(电视或广播节目)? at present＝at the present time?现在；目前 be present at 出席…… in the presence of sb.＝in one’s presence当着……的面，在……面前 present sth.to sb.＝present sb.with sth.向某人赠送某物 make a present of sth.to sb.?＝make sb.a present of sth.?把某物赠送给某人 for the present ?＝for the time being?目前；暂时 Besides, there are some presents I bought for my family members and friends；it will be a great disappointment to me if I can’t find the suitcase. 而且，箱子里面有我为家人和朋友买的礼物，如果找不到它，我会很失望。(重庆·书面表达) [图解助记] [特别提醒] present作前置定语时意为“目前的”；作后置定语时，意为“出席的，在场的”。 例：The present president present at the meeting presented us with a present.出席会议的现任总统给我们赠送份礼物。 4. rescue v.营救；拯救；救援；n.营救；救援 rescue sb./sth.from sth.从……中营救…… go/come to one’s rescue去/来救某人 rescuer n.救助者，救星，援救者 We were about to close down the business，but the bank went/came to our rescue with a huge loan. 我们几乎要停业，但银行借出了一大笔钱救了我们。 Rescuers searched the rubble for survivors. 救援人员在瓦砾中搜寻幸存者。 [词义辨析]　rescue，save (1)rescue意为“营救，救援”，指从危险中迅速有效地援救、抢救，一般指人，也指抢救东西不致毁坏。 (2)save意为“拯救、救出”，是普通用语，指使受