Unit 2 Natural disasters
根据词性和汉语提示，写出下列单词
1．injure vt.伤害，使受伤；损害→injury n．损害；伤害→injured adj.受伤的；受损害的
2．react vi.反应；作出反应→ reaction n．反应，回应；抗拒；化学反应
3．order n．命令；顺序；规则→ orderly adj.有秩序的；有条理的，整齐的
4．confirm vt.证实，确认；使确信；批准→confirmation n．确认，证明
5．occur vi.发生，出现；存在于→occurrence n．发生；出现
6．relief n．宽慰，轻松；减轻，消除；救济→relieve v．减轻；解除；使放心
7．inform vt.通知；了解，熟悉→information n．信息；知识；情报→informed adj.见多识广的；消息灵通的
1．signal vi.& vt.发信号，示意；标志 n．信号，暗号；标志；信号灯
①This announcement signalled a clear change of policy.vt.预示；表明
②Chest pains can be a warning signal of heart problems.n.信号
③She signalled (that)it was time to leave.vi.示意
2．exit vi.&vt.出去，离去，退场；退出 n．出口，通道；离开
①There is a fire exit on each floor of the building.n.出口；通道
②He made a quick exit to avoid meeting her.vi.离去，退场
③As the actors exited the stage the lights went on.vt.退场，离去
3．flood n．洪水，水灾；大量 vi.& vt.淹没，泛滥；大量涌入；流满
①The heavy rain has caused floods in many parts of the country.n.洪水，水灾
②Large numbers of immigrants flooded into the area.vi.涌入
③If the pipe bursts it could flood the whole house.vt.淹没
④There's been a flood of lowfat and light ice creams on the market.n.大量
Words and Phrases
injure vt.伤害，使受伤；损害
(教材P16) Only 5 students suffered slight injuries，despite the current figures of 7 killed and over 200 injured in the disaster area at large.
尽管目前整个灾区总体的伤亡数字是7人死亡，200多人受伤，但(在这所学校)只有5名学生
受了轻伤。
[例1] Twothirds of them died or were injured during the earthquake.
他们当中三分之二的人在地震中或死或伤。
[例2] He injured his knee playing hockey.
他打曲棍球时膝盖受伤。
[造句] 撞车事故中有三人死亡，五人受伤。
Three people were killed and five injured in the crash.
[归纳拓展]
(1)injured adj. 受伤的
the injured 受伤的人；伤员
(2)injury n. (对躯体的)伤害，损伤；(对感情的)伤害，挫伤
do an injury to sb.＝do sb.an injury
伤害某人
[即学即练] 单句语法填空
①I heard that her son was injured(injure)in the accident.
②Don't do that.You'll do yourself an injury(injure).
③Tom is playing in place of the injured (injure)John.
[易混辨析] injure，wound，hurt，harm
injure | 指人在意外事故中受到的伤害，可用于无生命物体的损坏，更多用于对人的某个部位的损伤。 |
wound | 指利器或子弹对肉体造成的伤害，是出血的、严重的伤，特指战场上的受伤。 |
hurt | 指一般的肉体伤害，尤指精神上或感情上的伤害。此外hurt也可用作不及物动词，意为“受伤”。 |
harm | 特指伤及一个人或其心情、健康、权利、事业等，并使之产生痛苦、损害或某种不幸遭遇。 |
[选词填空] injure，wound，hurt，harm
④You really hurt me when you said I was selfish.
⑤In the traffic accident ten were killed and eight were injured .
⑥Don't harm your eyes by reading in poor light.
⑦Luckily no one got wounded in the battle.
reaction n．反应，回应；抗拒；化学反应
(教材P16) Her students' reaction was quick and correct―they moved under their desks，head first，and held on to the legs of the desks.
她的学生们反应迅速、正确——他们头朝里，爬到课桌下面，并紧紧抓住桌腿。
[例1] There has been a mixed reaction to her appointment
as director.
对她任命为主管一事，人们的反应褒贬不一。
[例2] I tried shaking him but there was no reaction.
我试着摇了摇他，但他一动不动。
[造句] 他对这消息有何反应？
What was his reaction to the news?
[归纳拓展]
react to sth. 对……作出反应
react by doing sth. 以……方式作出反应
react against 反对，反抗
react with 与……起化学反应
[即学即练] 单句语法填空
①He was a little afraid of his father's reaction(react).
②Iron reacts with water and air to produce rust.
③The boy often reacts against his parents.
signal vi.& vt.发信号，示意；标志n.信号，暗号；信号灯；标志
(教材P16) She signalled to her students to exit the classroom in an orderly line covering their heads with their hands.
她示意学生们抱着头，排好队，有序离开教室。
[例1] She signalled to Ted that she was moving forward.
她向特德示意她要向前走。
[例2] Kurdish leaders saw the visit as an important signal of support.
库尔德领导人把这次访问看作是表示支持的重要信号。
[造句] 他示意该走了。
He signalled that it was time to leave.
[归纳拓展]
a danger/warning signal 危险/警告信号
traffic signals 交通信号灯
signal ( do sth. 示意某人做某事
signal to sb. 向某人示意
signal (sb.) 示意(某人)……
[即学即练] 单句语法填空
①The guard seems to be signalling to us with his arm.
②The policeman signalled us to cross(cross)the road.
③Tom turned left at the traffic signals(signal).
④The gentleman signalled to me with a smile.
[易混辨析] signal，sign，symbol，mark
signal | 指为某一目的而有意发出的信号。 |
sign | 表示“告示，标记”时，侧重指用图形、文字等所表达的内容，另外还可指“征兆，迹象”。 |
symbol | 指象征或表达某种深邃意蕴的特殊事物。 |
mark | react to sth普通用词，含义广泛。既可指为便于辨认而有意做的标记，又可指自然形成的标记或有别于其他事物的特征，还可以指污点、污渍、分数、成绩等。 |
[选词填空] signal，sign，symbol，mark
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