高中英语北师大版(2019) 选择性必修第一册unit3 section A 语言知识点解析

UNIT 3 CONSERVATION Section A　TOPIC TALK & LESSON 1 1.destroy sb毁掉某人(的一生) be destroyed by fire被大火烧毁 destruction n.破坏,毁坏 destroyer n.破坏者;起破坏作用的东西 2.a threat to sb/sth对某人/某物构成威胁 threaten v.威胁 threaten sb (with sth) (用某物)威胁某人 threaten to do sth恐吓要做某事 threatened adj.受到威胁的 3.switch on接通,打开 switch off (=turn off) 把……关掉,关上 switch over (to sth) 转换频道;转变 switch (from sth) to...从……转变到…… switch roles转换角色 switch A with B把A与B交换 4play an important role/part in...在……中起重要作用/担任重要角色 play the role of sb=play/act the part of sb (在剧中)扮演……角色 play the leading role起带头(主要)作用 for my part至于我,对我来说 on one’s part由某人做出;就某人而言 take part in参加……,参与……活动 5.illegal adj.违法的,非法的 legal adj.法律许可的,合法的 legally adv.法律上,合法地 6.hunt after追猎(某动物);追逐(某物) hunt for寻找某人/某物 hunt up (在报纸上、书上等)找到(资料等) 7.urge vt.催促;极力主张　n.强烈的欲望、冲动,迫切的要求 urge sb to do sth/urge sb into doing sth 催促/敦促某人做某事 urge that/It is urged that...坚决主张……(用虚拟语气) have/feel an urge to do sth渴望做某事;有做某事的冲动/欲望 satisfy an urge满足欲望 urgency n.紧急;急事;催促 urgently adv.紧急地,急迫地 8.wipe...w