unit4

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必修二Unit 4 Wildlife Protection编写人:王萌萌审阅人:闫海东单元知识点归纳1.★ wild adj野生的wild animals wild life ; 荒凉的 a wild land ; 缺乏管教的The boy is wild and out of control. ; 感情炽烈的、激动的The crowd went wild.(群情激昂) be wild about… (热衷于…狂热);盲目的make a wild guess (乱猜) ;(天气、海洋)狂暴的 a wild night (暴风雨之夜) The sea was wild.搭配:beyond one’s wildest dreams 做梦都没想到,大大超出希望in the wild 在野外in the wilds 偏远地区2.★ threaten vt./vi 威胁…threaten to do sth. 威胁要做某事threaten sb with sth 用…威胁某人e.g. The clouds threatened rain. 乌云预示大雨将至。

threat n 威胁 a threat to sb./sth. 对…的威胁3.★ decrease v/n (大小、数量)减少、减小increase v/n (大小、数量)增加decrease in numbers 在数量上减少an increasing number of… 数量不断增加的…decrease/increase by 减少、增加了…decrease/increase to 减少、增加到…be on the decrease/increase =be decreasing/increasing 在减少、在增加4.★die out灭绝;(风俗、习惯等)逐渐消失,消灭It’s well-known that the custom has died out. 众所周知这种风俗已经消失啦。

Many animals have died out in the past.在过去几年间,许多动物都灭绝了。

【点拨】辨析die from, die of, die out, die away, die down, die offdie from 表示死于…(外因) He died from the wound last year.die of 表示死于(内因)He died of the hunger.die out “灭绝,消失”。

多指物种的灭绝或风俗、习惯的消失,强调动作的结束。

die away慢慢消失。

(多指声音、光线、风等)逐渐减弱,逐渐模糊,逐渐消失。

强调过程The wind had died away by dusk. 黄昏时分风停了die down (多指火、兴奋、光线、暴风雨等)逐渐变弱、平息,逐渐暗淡,逐渐降低。

表示过程,常可与die away 替换The flames finally died down.(也可用die away)die off (多指家族、草木)相继死去,先后死亡The leaves of this plant are dying off. 这植物的叶子正在凋落。

【即学即练】The famous writer died ______ his wok unfinished. A. of B. from C. with D. off 答案C注意:die 的各种词性变化die v (过去式-died) ; dead adj. 死了的;dying adj 奄奄一息的,将死的be dying for… 渴望… death n 死亡5.★ loss n 损失、丧失loser n 失败者at a loss 茫然、不知所措He’ll try his best to make up the loss. 他会尽力弥补损失。

lose-lost-lost v 丢失、失去、迷路、失败常用be/get lost【高考链接】1. Even the best writers sometimes find themselves lost for words.即使最好的作家也有词穷的时候。

2. Lost in deep thought, he almost ran into a car.常用搭配:lose weight lose the opportunity lose the match(输了比赛)6.★ hunt v/n 打猎、猎取、搜寻hunt for sth. 搜寻、搜索、需找…(近义搭配:look for/ seek for/search for)hunt for a new job a job hunter 求职者hunt (for) sb. 追踪、追捕7.★ in danger (of) 有……的危险;受到……的威胁(反义:out of danger)dangerous adj. 危险的(对他人造成危险)比较:She is in danger. 她处于危险中。

Drunken drivers are dangerous. 醉酒的司机会对别人造成危险endanger vt. 危害… Smoking endangers our health.endangered animals/species 濒危动物、物种8★ respond vi 回答、反应respond to sb/sth 对…做出回应respond by doing sth/with sth用…做出回应response n make no response to… 对…没有回应in response to… 答复、回应…9.★ distant adj. 远的in the distant future 在遥远的将来 a distant look in one’s eyes 眼光恍惚distance n 距离in the distance 在远处at/from a distance 有一定距离、在不远处e.g. The picture looks better at/from a distance.a distance of 200 kilometers 200公里的距离keep sb at a distance 与…保持一定距离,冷淡distance learning 远程学习10. ★ relief n (痛苦、忧虑的)减轻、缓解in relief 如释重负 a sense of relief 解脱感to one’s relief 让某人安慰的是breathe a sigh of relief 如释重负的松口气注意:relief 还可用于抽象名词具体化,表示“减轻痛苦的事物”e.g. News of their safety came as a great relief.What a relief! 可轻松啦!a relief agency/organization 救助机构、组织relieve v 解脱、减轻relieve the pain 减轻痛苦relieve sb. of sth. 解除…的负担relieve sb of the suitcase 帮某人提箱子relieve sb. of one’s post/duties 免除某人的职务/职责11★ mercy n 仁慈show mercy to sb/sth have mercy on sb/sth 对…仁慈at the mercy of… 任凭…摆布;受…支配merciful adj 仁慈的be merciful to sb/sth merciless adj12. ★ certain adj 某一、某种、某些;确定的a certain +单数名词某一个… certain+复数名词某些…for certain reasons/for a certain reason 某些原因/某种原因A certain Dr. Li performed the operation.一位姓李的医生做了手术。

It is certain that- 确定… be certain to do sth. 确定做某事for certain 确定地certainty n 确定do sth with certainty(注意:sure 的主语只能是人)13. ★affect v 影响、感动、侵袭effect n 影响affect sb/sth=have an effect on sb/sth 对…有影响e.g. The disease is beginning to affect her brain.疾病逐渐侵袭他的大脑We are deeply affected by his devotion to work.他对工作的奉献令我们深深感动affection n 喜爱、钟爱affections 爱情常用搭配:have an effect on对……有影响in effect正在实行;实际上side effect副作用take effect开始实行;开始生效come into effect生效,实施bring sth into effect使……生效be of no effect 无效果【点拨】辨析:influence v/n多指对人的思想、观念、心理情绪等内在的东西产生潜移默化的影响,或对人的决定、行为等造成某种程度的影响influence sb/sth= have an influence on…14. ★pay attention to… 注意… attract/draw one’s attention to … 吸引注意力…hold one’s attention (for some time) (注意力)持续不减devote one’s attention to… 注意fix/focus one’s attention on… 集中注意力attentive adj 留心的、注意的15. ★contain v 16. ★ appreciate v 欣赏、感激、意识到sth/sb be fully appreciated 受到充分赏识appreciate doing sth 重视、感激I would appreciate it if- 如果…我将不胜感激appreciation ne.g. I don’t appreciate being treated like a second-class citizen.17. ★succeed vi 成功vt/vi 接替、继任succeed (in)doing sth 成功做… succeed sb. as… 接替…担任…succeed to sth. 继承…e.g. Who succeeded him as president?He succeeded to the throne. 他继承了王位。