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【英语】2018届人教版必修二一轮复习:Unit4Wildlifeprotection单元学案(8页)

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Unit 4 Wildlife protection单元学案 核心单词 ‎1. decrease v. 减少;(使)变小;变少 n. 减少;降低;减少的数量,其后常接介词in/of 联想拓展 decrease (sth.) to/by ... 减少到/了……‎ increase vi.&vt. 增加;增长;增强 ‎ n.增加;增加的数量 increase to/by ...增加到/了……‎ on the decrease/increase 在减少/增加 易混辨析 reduce/decrease reduce 强调在“数量、大小,程度或强度”方面下降或减少。‎ decrease 侧重强调“稳定地,逐渐地,不断地”减少。‎ They are making every effort to decrease the production cost. 他们正在尽力降低生产成本。‎ The membership decreased to 150.‎ 会员数减少到了150人。‎ The number of students in the class has decreased by 20.‎ 班级里的人数减少了20人。‎ There has been a decrease in our imports. ‎ 我们的进口数量减少了。‎ 高手过招 完成句子 ‎ ‎①这些措施将有助于降低生产成本。‎ ‎ will help the cost of production.‎ ‎②人口出生率正在下降。‎ The birthrate is . ‎ 答案:①These measures; decrease ‎②on the decrease ‎2. suggest vt. 建议;提出(意见、计划、理论等);暗示;表明 常用结构:‎ suggest+doing 建议做……‎ suggest sb./sb.’s doing sth.‎ 建议某人做某事(不说suggest sb. to do sth.)‎ suggest sth. to sb. ‎ 向某人提议…… (不能说suggest sb. sth.)‎ suggest (to sb.)+that从句(向某人)建议。(所接从句用虚拟语气:sb.+should+动词原形,should可以省略)‎ It is suggested that ... 建议是……‎ suggest sth. 暗示;表明……‎ suggest+that从句 暗示;表明……(从句用陈述语气)‎ suggest sth. to sb. 使某人想起……‎ I suggest doing it in another way. ‎ 我建议换一种方式做这件事。 ‎ They suggested another shop to us.‎ 他们向我们建议了另一家商店。 ‎ She suggested that we(should)have lunch at the new restaurant.‎ 她建议我们在那家新开的餐馆吃午餐。 ‎ Her expression suggested that she had told a lie.‎ 她的表情表明她撒了谎。‎ 温馨提示 ‎ suggestion, advice, proposal作“建议”讲时,相关的名词性从句要用虚拟语气。‎ My suggestion is that we (should) go to the cinema together.我建议我们一块儿去看电影。(表语从句)‎ It’s suggested that you (should) stay here for another week.建议你在这儿再待一个星期。(主语从句)‎ He gave me an suggestion that I should go to Shanghai for a holiday.他建议我去上海旅游。(同位语从句) ‎ 高手过招 单项填空 His suggestion to see the art exhibition interested everyone of us. ‎ A. that we go B. which we should go ‎ C. that we would go D. we should go ‎ 解析:选A。不管是suggest的何种形式,在句子中有“建议”之意时,后接的从句必须用虚拟语气。 ‎ ‎3. affect vt. 影响;侵袭;相当于;使感动;激起(悲伤、愤怒、爱等情绪)‎ 易混辨析 affect/effect/influence ‎ affect vt.表示“影响,(病)侵袭”,多指不好的影响。当affect的宾语是人时,它表示引起心智或感情上的影响,即“使……感动”。‎ ‎ effect 表示“影响”时,是名词,指由于某种原因直接产生的结果,常用短语为: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;without effect没有效果;come into effect生效;实施;bring/carry sth. into effect使……生效;be of no effect 无效果。‎ influence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。‎ The disease is beginning to affect her brain.‎ 疾病逐渐侵袭她的大脑。 ‎ We are deeply affected by his devotion to work.‎ 他对工作的奉献令我们深受感动。 ‎ The book had a great influence on his life. ‎ 这本书对他的人生影响很大。 ‎ He is, in effect, my rival. 实际上,他是我的竞争对手。 ‎ 高手过招 单项填空 Sichuan province by the earthquake,causing difficulties to the postfestival road transport. ‎ A. were affected B. was affected C. had effected D. has affected ‎ 解析:选B。affect 为动词,意思是“影响;感动”;effect为名词,意思是“影响;效果”。根据句意选择B。 ‎ ‎4. appreciate vt.欣赏;感激;意识到;体会;理解 ‎ appreciate后可接名词、代词、动名词、名词性从句等作宾语,但不能接不定式。表示“感激,感谢”时,其后的宾语只能为“物”,不能为“人”。其后不直接跟if或when引导的从句,若语义上需要接这类从句,需借助it,即:appreciate it if/when ...。 ‎ 易混辨析 appreciate/thank appreciate 意为“感激,感谢”时的结构为:‎ ‎ appreciate (doing) sth.‎ ‎ appreciate it if/when ...‎ thank表示“感谢”时的结构为:thank sb. for sth.。‎ I appreciate your ability very much.‎ 我很欣赏你的能力。‎ We shall appreciate hearing from you again.‎ 能再次收到你的来信,我们将十分感激。‎ I appreciate that you have come here so early.‎ 感谢你来得这么早。‎ I would appreciate it very much if you would help me with it.如果你能帮助我做这件事,我将不胜感激。 ‎ 高手过招 单项填空 I really appreciate to relax with you on this nice island.‎ A. to have had time  B. having time C. to have time  D. to having time ‎ 解析:选B。考查appreciate的搭配。此处appreciate意为“欣赏”,其后不能接动词不定式作宾语,而只能用名词或动名词形式。 ‎ ‎5. mercy n. 仁慈;宽恕;宽容;恩惠;幸运;怜悯 常用结构:‎ at the mercy of sb./sth. 任由某人(某事物)摆布或控制 have mercy on/upon 对……有怜悯心 show mercy to sb. 宽恕/怜悯某人 without mercy 毫不留情地;残忍地 They showed mercy to their enemies. ‎ 他们对敌人很仁慈。‎ It’s a mercy she wasn’t hurt in the accident. ‎ 她在事故中未受伤, 真幸运。‎ 高手过招 翻译句子 ‎ ‎①那只船在暴风雨中失去了控制。‎ ‎②可怜可怜我们吧!‎ 答案:①The ship was at the mercy of the storm. ‎ ‎②Have mercy on us!‎ ‎6. hunt vi.&vt.打猎,猎取;搜索 Wolves hunt in packs.‎ 狼是成群猎食的。‎ Police are hunting an escaped criminal.‎ 警方正在追捕逃犯。‎ 常用结构:‎ hunt for 试图找到(某人/物)‎ hunt after 探求;追求 答案:①I’m hunting for a lost book.‎ ‎②Many people hunt after fame all their lives but never find it. ‎ ‎7. include vt. 包括;包含 include侧重指范围,其主语和宾语属于同类,是整体与部分的关系。后面常接名词、代词、动名词作宾语。‎ The trip includes a visit to Beijing.‎ 旅行包括到北京参观。‎ 联想拓展 contain vt. 表示“包含,含有;能容纳”,侧重指内容或成分,其主语和宾语不属于同类。‎ This fruit contains a lot of vitamins.‎ 这个水果含有丰富的维他命。‎ hold vt. 表示“容纳;盛有……”;表示“里面装有……”时可与contain互换。‎ This room can hold 50 people.这间屋子能容纳50人。‎ 高手过招 ‎(1)用include的适当形式填空 ‎①Our group has ten students, Tom .‎ ‎②We will learn 7 subjects this term, PE.‎ ‎(2)单项填空 ‎ Even if they didn’t the cost of food in the tour, it’s still a cheap vacation to the U.S.‎ A. Hold B. contain C. share D. Include 解析:(1)①included ②including ‎(2) 选D。根据句意可知用“包括”。而contain多用来强调所包含的内容本来就是物体固有的一部分。‎ 重点短语 ‎8. die out ‎ 灭绝;逐渐消失;灭亡 联想拓展 die for渴望;很想 ‎ die to do 渴望;很想 die away(尤指声音、光、风)逐渐消失;停止 die down (兴奋、激动等情绪)渐弱;渐息;平息 die off (家族,种族等)相继死亡;(草木)枯死 die from/of 因……而死;通常由疾病、饥寒、情感原因造成的死亡用die of,除此之外的原因用die from。‎ Many species will soon die out if we don’t take action.‎ 如果我们不采取行动,许多物种将很快灭绝。‎ Many old customs have died out.‎ 许多旧的风俗已不复存在。 ‎ 高手过招 ‎(1)单项填空 ‎①This kind of plants are . Some day they ‎ will forever. ‎ A. dying off;die out B. dying away;die off C. dying down;die out D. dying out;die away ‎②Unfortunately, the soldier died a wound in the chest. ‎ A. from B. out ‎ C. off D. down ‎(2)用die的相关短语填空 ‎ ‎①The noise of the car in the distance.‎ ‎②The old traditions are .‎ ‎③The man a wound.‎ ‎④I’m something to eat. ‎ 解析:(1)①选A。前面句子用了进行时,表示正在灭亡,故用die off。后面表示有一天会永远消失,故用die out。‎ ‎②选A。根据句意此处soldier死的原因应该是胸部受伤。‎ ‎(2)①died away ②dying out ③died from ‎④dying for ‎ ‎9. protect ...from ... ‎ 保护……免受……,后接较小的事情或危害,如:frost, harm, catching cold。‎ 联想拓展 protect ...against ...后接较大的事情,如:战争、灾害、重税、威胁等。‎ keep sb. from doing sth. prevent/stop sb.(from) doing sth.阻止某人做某事 keep sb. doing sth.使某人一直做某事 defend ...from/against保卫……以抵御…… ‎ 易混辨析 ‎ defend/protect/guard/preserve ‎ defend 保卫;防护;防守(含有采取措施抵制进攻的意思);protect 常含有提供安全的方式来驱开不适、伤害或进攻的意思;guard 含有看守的意思;preserve 指采取措施维护、保护、保存。‎ You must learn to protect yourself from the danger.‎ 你必须学会保护自己,免遭危险。‎ She had to defend herself against the guard dog. ‎ 她不得不防备看门狗咬她。‎ A policeman was guarding the entrance to the embassy.‎ 一位警察正守卫在大使馆出口处。‎ It is one of the duties of the police to preserve public order.警察的职责之一是维持公共秩序。 ‎ 高手过招 单项填空 Use the umbrella to yourself from the rain. ‎ A. prevent B. protect ‎ C. defend D. protection ‎ 解析:选B。prevent sb. from doing sth.防止某人干某事,意思类似于stop/keep sb. from doing sth.;protect sb. from sth.保护某人免遭伤害;defend保卫;防护;防守(含有采取措施抵制进攻的意思)。‎ ‎10. pay attention to ‎ 注意 联想拓展 bring sth. to one’s attention 使某事引起某人注意 call/draw one’s attention to sth. 使某人注意某事 draw/catch/attract one’s attention 引起某人的注意 fix/focus/concentrate one’s attention on sth. ‎ 集中注意力于某事物 You should pay attention to your spelling.‎ 你要注意自己的拼写。‎ 高手过招 完成句子 ‎ ‎①他的提议没有引起任何注意。‎ No attention his advice. ‎ ‎②他提醒我注意一些新的证据。‎ He some new evidence. ‎ 答案:①was paid to ‎②called/drew my attention to ‎11. come into being ‎ 形成;产生(不可用于被动语态或进行时)‎ 联想拓展 come into existence 形成;产生;开始存在 come into effect/force/operation开始生效;开始实施 come into use 开始被使用 come into power上台执政 come into fashion 开始流行 come into office 就职 come into action 开始行动 We do not know when this world came into being. ‎ 我们不知道世界是何时形成的。 ‎ 高手过招 单项填空 Before the computer , people could never imagine it could bring about such great changes to human life. ‎ A. came into being B. was discovered C. was come into being D. was formed ‎ 解析:选A。句意为:在电脑出现之前,人们绝不会想到它会给人类的生活带来如此巨大的变化。电脑不能说是“被发现”或“被形成”的,排除B、D两项。come into ‎ being不能用于被动语态和进行时,排除C项,故选A。 ‎ 重点句型 ‎12. Why are they in danger of disappearing?‎ 它们为什么处于灭绝的危险中?‎ 常用结构:‎ in danger (of) 在危险中 be in danger of 有……的危险 be out of danger 脱离危险 The girl’s life was obviously in immediate danger.‎ 很明显,这女孩的生命危在旦夕。‎ The sick man is in danger of death. 这位病人有死亡的危险。‎ The wounded policeman is now out of danger.‎ 受伤的警察已脱离危险。‎ 联想拓展 be a danger to sb./sth. 危险的人/因素 be dangerous for 对……有危险 endanger vt. 危害,危及 endangered adj. 有危险的;濒临灭绝的 ‎ 高手过招 完成句子 ‎①他再这样下去会丢掉工作的。‎ He is losing his job if he goes on like this.‎ ‎②警察说这个男人对于公众来说是个危险分子。‎ The police said the man was the public.‎ 答案: ①in danger of ②a danger to ‎13. They lived on the earth tens of millions of years ago, long before humans come into being.‎ 千百万年前,恐龙就在地球上生活,比人类的出现要早得多。‎ long before ...在……之前很长一段时间 I knew the news that they were invited to the party, long before you told me.‎ 早在你告诉我之前很久我就知道他们被邀请来参加晚会的消息了。‎ 答案:They had known each other long before I knew them. ‎