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1、Unit 4 words,1. protection n. U保护,防御 protection n.protect v.protective adj. protect.against/from. 保护免受的伤害 You should turn to your teacher for protection if you are in danger. 如果你处于危险中,你应该向你的老师 寻求保护。,【知识拓展】 under the protection of 在的保护下 give / provide protection 提供保护,He is wearing sunglasses to prote
2、ct his eyes from the strong sunlight. 他戴着太阳眼镜,以保护他的眼睛免受强光的照射。,2.decrease,(1) vi.& vt.减少;(使)变小;或变少 Car sales are decreasing. 汽车销量正在减少。 The number of traffic accidents has decreased. 交通事故的数量已经减少了。,(2) n. 减少;减小,increase v.& n.增加;增大,There has been a decrease in the number of students this year. 今年学生人数已经
3、减少。,【知识拓展】 decrease v. decrease n,This kind of bird is _.,dying out,Many traditional customs _because they are out of date.,die away 慢慢消失,He hid behind the door until the footsteps_.,have died,died away,3. die out (动,植物物种)灭绝,out,拓展 die from 因(受伤、意外事故等外部 原因)而死亡 die of 因(疾病、饥饿、情感等内部原 因)而死亡 die off 相继死
4、去 die down (火焰、风暴等)逐渐变弱; 逐渐平息;逐渐暗淡,运用 用适当的介词或副词填空,Now many wild plants and animals are in danger of dying_.,The firefighters fought against the forest fire and it finally died _.,The noise of the car died _ in the distance. The family members died _ the war. The poor woman _ hunger.,out,down,away,fr
5、om,died of,4. loss n.损失;遗失;丧失 He suffered a loss of 10,000 dollars on the business. 那笔生意中,他损失了10,000美元。 at a loss 困惑,不知所措 For a moment she was at a loss how to reply to the question. 有好一会儿,她不知道该如何回答这个问题。,5hunt vi.& vt.打猎;猎取;搜寻 Winter is the best time for hunting in mountainous areas. 冬季是山区狩猎的最佳时间。 H
6、e spent the whole day hunting deer. 他一整天都在打鹿。 Ive hunted everywhere for my watch but I cant find it. 我到处找我的手表,就是找不到。,【知识拓展】 hunter 猎人 hunting n狩猎运动 go hunting 去打猎 hunt for 搜索;追寻;寻找 He is hunting for a job.,用所给动词的适当形式填空 Youve at last come,dear!Ive been _ (hunt) for you everywhere. Where have you been
7、 all this afternoon? 解析hunt for寻找。 答案hunting,6. in peace 和平地;和睦地;安详地 (常作状语或补语),On the whole, the world now is _.,in peace,拓展 at peace 和平的(常作表语,与at war 相对) at peace with 与和平相处,The villagers live _(和平地) For centuries, the countries have been _ (与和平相处) each other.,in peace,at peace with,7in danger (of)
8、 在危险中;垂危,He drove so fast that I really felt my life was in danger. 他开车开得飞快,我真的觉得有生命危险。,【巧学助记】 in danger dangerous,完成句子 她伤得很重,随时有失去生命的危险。 She was badly wounded and _ at any time.,in danger of losing her life,The doctors say he is now out of danger. 医生说他现在已 脱 离 危 险。 As far as Im concerned,he is a dan
9、ger to society. 就我而言,他是社会的危险分子。,The bridge is_so the cars on it are_. Adangerous;dangerous Bdangerous;in danger Cin danger;dangerous Din danger;in danger 解析:。dangerous表示所修饰词对他人造成危险;in danger表示所修饰词本身处于危险中。,B,8respond vi. 回答;响应;做出反应 典例 He hasnt responded to my letter yet. 他还没有回我的信。,respond to.对作出回答,re
10、spond to with sth. by doing sth. 以对做出反应/回答,She _ my letter _,(以对做出回复) a phone call.,responded to,with,9. distant adj.远的;远处的 The school is three miles distant from the town. 那个学校离城三英里。 in the distance 在远处 I could see the light in the distance. 我能看见远处的灯光。,10. relief n. (痛苦或忧虑的)减轻或解除; 减轻痛苦的事物 relief fr
11、om sth. 减轻 The drug gives some relief from pain. 这种药可以减轻一些痛苦。,拓展 in relief 如释重负;松了口气 (much) to ones relief to ones great relief 使某人安心/宽慰的是,_ (使他父母 很欣慰的是), he passed the exam. When his son came home at last, he was _.(松了口气),Much to his parents relief,in relief,11burst into 突然起来;闯入,To my surprise, Ben
12、 suddenly burst into laughter. 令我惊讶的是,本突然大笑了起来。,The police burst into the room and arrested him. 警察突然闯进房间逮捕了他。,拓展 burst into laughter /tears/ flames/ cheers/ song burst out laughing/crying/burning/cheering/singing 突然笑起来/哭起来/燃烧起来/欢呼起来/唱起来,They were so moved that they _ _. (哭了起来) The crowd _ _ (一片欢呼),
13、burst into tears/burst out crying,burst into cheers/burst out cheering,牛刀小试 (1)When the girl learnt that her boyfriend was _ in the earthquake, she _. Ainjured;burst in tear Bkilling;burst into tears Cstill alive;burst into tears Dmissing;burst into laughter 解析:be still alive还活着; burst into tears突然哭
14、起来。,C,(2)One minute she burst into_and the next burst out_. Acrying;laughter Btears;laughing Ctear;laughter Dcrying;laughing 解析:burst into tearsburst out crying突然哭起来;burst into laughterburst out laughing突然笑起来。,B,12. mercy n仁慈;宽恕;怜悯 ask for mercy 乞求宽恕 without mercy 残忍地,毫无同情心地 at the mercy of sb./sth.
15、 任由某人/某物摆布或控制,show mercy to sb. 对某人起了怜悯之心 e.g. They showed mercy to their enemies. 他们对敌人很仁慈。,完成句子 他们在海上迷失了方向,任由风和天气的摆布。 They were lost at sea,_ wind and weather.,at the mercy of,13. certain adj.意为确定的;某一;一定,可表示“某个,某些,某种”,常用作定语,如:for certain reasons,a certain Mr. Brown。,品味经典 For certain (some) reasons / a certain reason,he didnt come. 因某些/某个原因,他没来。 Im certain that a certain/some Mr. Smith is asking for you.