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1、 UNIT 2Natural disasters 课文讲解 injure vt.伤害，使受伤；损害伤害，使受伤；损害【教教材材原原句句】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.受受伤的的the injured 受受伤的人；的人；伤员(2)injury n伤；伤害；害；损伤do an injury to sbdo sb an inju
2、ry 伤害某人害某人reaction n反应，回应；抗拒；化学反应反应，回应；抗拒；化学反应【教教材材原原句句】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.对的反的反应in reaction to sth 对某事作出回某事作出回应 (2)react vi.起反起反应；对作出反作出反应react to sth(by doing sth)(通通过做某事做某事)对
3、某事某事/物作出反物作出反应react against.反反对，反抗反抗react with sth 与某物与某物发生化学反生化学反应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【教教材材原原句句】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 sth 示意某人做某事示意某人做某事signal s
4、th 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【教教材材原原句句】After a roll call confirmed that all were safe and sound,they relaxed,laughing,crying and hugging each other.【记牢记牢】(1)confirm that.证实；确定；确定con
5、firm sb in sth 使某人确信某事使某人确信某事It has been confirmed that.已已经确定确定(2)confirmation nU,C 证实；确；确认书，证明明书occur vi.发生，出现；存在于发生，出现；存在于【教教材材原原句句】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 sb 某人突然想起某事某人突然想起某事sth occurs to sb
6、(主意或想法等主意或想法等)浮浮现于某人于某人脑海中海中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【教教材材原原句句】To her great relief,the officer immediately realized the coming danger.【记牢记牢】(1)to one s(great)relief 令某人令某人(深感深感)欣慰的是欣慰的是in relief 如如释重重负；
7、松了口气；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 如如释重重负地松了口气地松了口气(2)relieve vt.减减轻；缓解；消除；救解；消除；救济relieve sb of sth 缓解解/减减轻某人的某人的(痛苦、痛苦、负担等担等)(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 yourself of what is going on.【记牢记牢】(1)inform sb of
8、/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 使某人随使某人随时了解某事了解某事(2)information n信息；信息；资料料in case 引导目的状语从句引导目的状语从句【教教材材原原句句】At the same time,Miss Brown quickly opened the classroom door,in case it became damaged during the shaking and could not open.(1)in case意意为“以以防防
9、(发生生某某事事)；如如果果，假假使使；以以防防万万一一”，可可引引导从从句句，也可也可单独使用。常独使用。常见用法如下：用法如下：用作用作连词，表示目的，意，表示目的，意为“以防以防(发生某事生某事)”；用作用作连词，表示条件，意，表示条件，意为“如果，假使如果，假使”；用作副用作副词，在句中作状，在句中作状语，可，可单独使用，意独使用，意为“以防万一以防万一”。(2)in case of.如果如果，假使假使(发生某事生某事)in any case 无无论如何如何，不管怎不管怎样in that case 如果是那如果是那样的的话as is often the case 这是常有的事是常有的事in no case 决不决不(置于句首置于句首时，句子用部分倒装句子用部分倒装)