Unit 2 Welcome to the unit & Reading课文单词讲解（ppt课件） -2023新牛津译林版（2020）《高中英语》必修第三册.pptx

1、 UNIT 2Natural disasters 课文讲解 injure vt.伤害，使受伤；损害伤害，使受伤；损害【教材原句教材原句】Only 5 students suffered slight injuries,despite the current figures of 7 killed and over 200 injured in the disaster area at large.【记牢记牢】(1)injured adj.受伤的受伤的the injured 受伤的人；伤员受伤的人；伤员(2)injury n伤；伤害；损伤伤；伤害；损伤do an injury to sbdo s

2、b an injury 伤害某人伤害某人reaction n反应，回应；抗拒；化学反应反应，回应；抗拒；化学反应【教材原句教材原句】Her students reaction was quick and correct they moved under their desks,head first,and held on to the legs of the desks.【记牢记牢】(1)reaction to.对对的反应的反应in reaction to sth 对某事作出回应对某事作出回应 (2)react vi.起反应；对起反应；对作出反应作出反应react to sth(by doin

3、g sth)(通过做某事通过做某事)对某事对某事/物作出反应物作出反应react against.反对反对，反抗反抗react with sth 与某物发生化学反应与某物发生化学反应signal vi.&vt.发信号，示意；标志发信号，示意；标志 n n信号，暗号；标志；信号灯信号，暗号；标志；信号灯【教材原句教材原句】She signalled to her students to exit the classroom in an orderly line covering their heads with their hands.【记牢记牢】(1)signal(to)sb to do st

4、h 示意某人做某事示意某人做某事signal sth to sb 向某人示意某事向某人示意某事signal(sb)that.示意示意(某人某人)(2)traffic signals 交通信号灯交通信号灯a danger/warning signal 危险危险/警告信号警告信号confirm vt.证实，确认；使确信；批准证实，确认；使确信；批准【教材原句教材原句】After a roll call confirmed that all were safe and sound,they relaxed,laughing,crying and hugging each other.【记牢记牢】(1

5、)confirm that.证实；确定证实；确定confirm sb in sth 使某人确信某事使某人确信某事It has been confirmed that.已经确定已经确定(2)confirmation nU,C 证实；确认书证实；确认书，证明书证明书occur vi.发生，出现；存在于发生，出现；存在于【教材原句教材原句】It immediately occurred to her that these were signs of an approaching tsunami.她立刻意识到这是海啸来临的征兆。她立刻意识到这是海啸来临的征兆。【记牢记牢】sth occurs to s

6、b 某人突然想起某事某人突然想起某事sth occurs to sb(主意或想法等主意或想法等)浮现于某人脑海中浮现于某人脑海中It occurs/occurred to sb that.It strikes/struck sb thatIt hits/hit sb that.某人突然想起某人突然想起relief n宽慰，轻松；减轻，消除；救济宽慰，轻松；减轻，消除；救济【教材原句教材原句】To her great relief,the officer immediately realized the coming danger.【记牢记牢】(1)to one s(great)relief 令

7、某人令某人(深感深感)欣慰的是欣慰的是in relief 如释重负；松了口气如释重负；松了口气It is a relief to do sth 做某事是令人欣慰的做某事是令人欣慰的breathe a sigh of relief 如释重负地松了口气如释重负地松了口气(2)relieve vt.减轻；缓解；消除；救济减轻；缓解；消除；救济relieve sb of sth 缓解缓解/减轻某人的减轻某人的(痛苦、负担等痛苦、负担等)(3)relieved adj.感到欣慰的感到欣慰的inform vt.了解，熟悉；通知了解，熟悉；通知【教材原句教材原句】Remember to inform you

8、rself of what is going on.【记牢记牢】(1)inform sb of/about sth 告知某人某事告知某人某事inform sb that/where/how.通知某人通知某人keep sb informed of sth 使某人随时了解某事使某人随时了解某事(2)information n信息；资料信息；资料in case 引导目的状语从句引导目的状语从句【教材原句教材原句】At the same time,Miss Brown quickly opened the classroom door,in case it became damaged during

9、the shaking and could not open.(1)in case意为意为“以防以防(发生某事发生某事)；如果；如果，假使；以防万一假使；以防万一”，可引导从句可引导从句，也可单独使用。常见用法如下：也可单独使用。常见用法如下：用作连词用作连词，表示目的，意为，表示目的，意为“以防以防(发生某事发生某事)”；用作连词用作连词，表示条件，意为，表示条件，意为“如果，假使如果，假使”；用作副词用作副词，在句中作状语，可单独使用，意为，在句中作状语，可单独使用，意为“以防万一以防万一”。(2)in case of.如果如果，假使假使(发生某事发生某事)in any case 无论如何无论如何，不管怎样不管怎样in that case 如果是那样的话如果是那样的话as is often the case 这是常有的事这是常有的事in no case 决不决不(置于句首时置于句首时，句子用部分倒装句子用部分倒装)