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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3、减少。,【知识拓展】 decrease v. decrease n,This kind of bird is _.,dying out,Many traditional customs _because they are out of date.,die away 慢慢消失,He hid behind the door until the footsteps_.,have died,died away,3.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.
