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Part 1. Warming up1. Wild plants and animals have to look after themselves.wild adj. 野生的, 野的, 未驯化的；无居民的, 荒凉的[典例]1). He enjoys filming wild animals. 他喜欢拍摄野生动物。
2). We walked into a wild mountain region. 我们走进荒无人烟的山区。
[重点用法]be wild about sth/sb（对某事物[某人]）极热心或热爱be wild with… 因……而发狂[练习] 中译英1). 群众欣喜若狂。
_______________________________________________________________________________ 2). 孩子们都特别喜欢这个新计算机。
_______________________________________________________________________________ Keys: 1). The crowd went wild with delight.2). The children are wild about the new computer.2. If their habitat is threatened or they can’t find enough food, their numbers may decrease. decreasev. 减少；（使）变小；变少n.减少；降低；减少的数量，其后常接介词in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They are making every effort to decrease the production cost. 他们正在尽力降低生产成本。
一、课程导入本单元我们将在原有知识的基础上学习新的单词和词组，扩大词汇量和知识面，进一步提高英语水平。
英语学习需要从“听说读写”各个方面着手，提高整体运用能力。
二、复习预习教师引导学生复习上节课所学的知识点，（以提问、回顾的形式进行），针对上节课的作业进行讲评、订正、答疑三、知识讲解知识点1：词语辨析【考查点】词形变化知识点2：词语辨析知识点3：重点词汇1. wild adj. 野生的, 野的, 未驯化的；无居民的, 荒凉的[典例]1). He enjoys filming wild animals. 他喜欢拍摄野生动物。
2). We walked into a wild mountain region. 我们走进荒无人烟的山区。
[重点用法]be wild about sth/sb（对某事物[某人]）极热心或热爱be wild with… 因……而发狂[练习] 中译英1). 群众欣喜若狂。
_____________________________________________________________________ ________________2). 孩子们都特别喜欢这个新计算机。
_____________________________________________________________________ ________________Keys: 1). The crowd went wild with delight.2). The children are wild about the new computer.2. relief n. （痛苦﹑困苦﹑忧虑等的）减轻或解除[典例]1). The drug gives some relief from pain. 这种药可以减轻一些痛苦。
2). I breathed/heaved a sigh of relief when I heard he was safe. 我听到他平安的消息时才松了一口气。
高一课本知识点详解及练习：必修2Unit4（人教版）Unit4 Wildlife protection知识点详解Ⅰ. 常考单词必背1．decrease vi.&vt. 减少；(使)变小或变少They are making every effort to decrease the production cost. 他们正尽力降低生产成本。
[快速闪记](1)decrease to... 减少到……decrease by... 减少了……decrease from...to... 从……减少到……(2)on the decrease 在减少中2．loss n. 损失；遗失；丧失He was at a loss for words.他不知该说些什么。
[快速闪记]lose v. 失去；输掉，失败3. hunt vt.&vi.打猎；猎取；搜寻We've been hunting for the car keys for the last half hour.过去的半小时里，我们一直在找汽车钥匙。
[快速闪记]hunt for sb/sth 寻找某人/物hunt after 追逐，追求hunt down 追捕，缉拿4．respond vi. 回答；响应；做出反应He always responds to my questions without any patience.他总是很不耐烦地回答我的问题。
[快速闪记](1)respond to... 回应……；对……做出反应respond by doing sth 以某种方式回应(2)response n. 响应；回答5．relief n. (痛苦或忧虑的)减轻或解除；减轻痛苦的事物It was a relief to be able to talk to someone about it.能和别人谈谈这件事，感到舒心多了。
[快速闪记](1)in relief 如释重负；松了口气to one's relief 令人感到欣慰的是(2)relieve vt.减轻；缓解；消除relieved adj.宽慰的；不再忧虑的6．mercy n. 仁慈；宽恕；怜悯It's a mercy she wasn't seriously hurt.很幸运她伤得不重。
高中英语必修2（人教新课标）Unit 4 Wildlife protection知识点总结一、重点词汇How did the dinosaur die out?恐龙怎样灭绝的？Her grandfather died of cancer.他祖父死于癌症。
Many villagers die every year from snake bites.每年都有许多村民死因被蛇咬而死亡。
The sound of the car died away in the distance.汽车的响声消失在远处。
The rain remained steady though the wind had died down.尽管风势已经减弱，雨还是下个不停。
The deer in the forest are all dying off from disease.森林中的鹿一只接一只地病死了。
decrease vi.&vt.减少；（使）变小；或变少1. decrease to …：减少至…2. decrease by…：减少了…By 1881, the population of Ireland had decreased to 5.2 million.到1881年，爱尔兰的人口减少到520万。
Student numbers have decreased by 500.学生人数减少了500名。
拓展：1. reduce to/reduce by：减少到…/减少了…2. increase to /increase by：增加到…/增加了…1. be certain of/ about sth.：对…有把握（=be sure of/about sth.）2. be certain to do sth.：一定会做…3. a certain amount of：一定量的4. to a certain extent：一定程度上5. It is certain that…：肯定，一定会….（不能说It is sure that…）She is a confident woman who is certain of her views.她是一位充满自信的女性，对自己的观点深信不疑。
⾼中英语必修⼆单词及语⾔点总结 Unit 4 Wildlife Protection Word usage: 1. protection n. 1) [U] the act of protecting or state of being protected 2) [C] a person or thing that protects Eg: You’d better turn to an adult for protection if there is a bully in your class who makes your life difficult. This hat will give protection against the sun. Shoes are a protection for the feet. 2. enemy n. 1) [C] a person who hates or dislikes another person; one of two or more people who hate or dislike each other. 2) [C] someone or something that hurts, wants to harm or is against (someone or something) Eg: He made many enemies during his political life. John and Paul are enemies (of each other). Cancer is an enemy of/ to mankind. 3. loss n. 1) [U] the act of fact of losing possession 2) the pain, harm, damage caused by losing sth. 3) [C] a failure to win or obtain Eg: Did you report the loss of your jewellery to the police? He’ll try his best to make up the loss. What make him unhappy was the loss of yesterday’s football match. 4. reserve n. 1) [C] a piece of land reserved for a purposse 2) [C] a quantity of sth. kept for future use. 3) v. to keep for a special purpose. 4) v. book Eg: We drove the car slowly and watched the lions in the nature reserve. I must keep a good reserve of energy for tomorrow’s match. You’d better reserve the money for future need. We must reserve two seats on the plane. 5. area n. 1) [C] a particular space or surface; a part or division of the world. 2) [C] the size of a surface Eg: You haven’t cleaned the area under the table. There aren’t many wild birds in this area. What’s the area of China? It covers an area of more than 9 600 000 square km. 6. hunt v. & n. 1)v. to chase in order to catch and kill (animals and birds) either for food or for sport. 2) v. to search (for) 3) n. an act of hunting Eg: He likes hunting very much. Knowing a foreign language sometimes is a must in job hunting. He is on the hunt for a better job. 7. peace n. 1) [U] calmness, quietness 2) [U] a condition in which there is no war between two or more nations. Eg: Please let me go on with my work in peace. There was a short peace, but then another war broke out. The two nations used to be at war with each other, but now they are at peace. 8. stomach n. 1) a baglike organ in the body where food is digested, the part of the body below the chest. 2) a desire to eat Eg: I’ve a pain in my stomach. Some animals, for example, have two stomachs. I have no stomach for this. 9. apply v. 1) to request something, esp. in writing 2) to bring or put into use. Eg: I will apply for the job today. Scientific discoveries are often applied to industrial production methods. 10. suggest v. : to say or write an idea to be considered. Eg: The monitor suggested a visit to the Western Hill this weekend. My sister suggested Mary should accept the invitation. Has the doctor suggested you/ your paying close attention to your own health? 11. contain vt.1) to hold, have within itself; 2) hold Eg: Sea water contains salt and 11 other minerals. This book contains all the information you need. The hall can contain 500 people. 12. affect v. 1) to cause some effect and change in, influence. 2) to cause feelings of sorrow, anger, love etc. in Eg: The climate affected the amount of the rainfall. The audience was deeply affected. She was deeply affected by the news of his death. 13. recently adv. Lately, in recent time; not long ago. Eg: I haven’t seen her recently. The accident happened quite recently. The way of life has changed a great deal in recent years. Useful phrases: 1. as a result (of): because of sth. that has happened eg; In San Francisco, four hundred people were killed as result of the earthquake. 2. die out : disappear completely Eg: This kind of bird is dying out. Many traditional customs have die out because they are out of date. The fire is dying out. You’d better add some firewood. 3. in danger: at risk Eg: The little boy was once in danger of losing his sight. Which doctor helped him out of danger? 4. protect…from : protect …against Eg: He is wearing sunglasses to protect his eyes from the strong sunlight. A new material was painted to protect the roof from rain. 5. pay attention to 注意 Eg: A great deal of attention has been paid to protecting the environment. You speak English well, but you’d better pay more attention to your written English.。
人教新课标高中英语必修2 Unit 4重点知识点汇总Unit 4 Wildlife Protection重点单词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/decreasereduce 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。
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。
英语必修二Unit4 wildlife protection 拓展词汇 1. decrease（a/the ） decrease in sth.某物的减少 on the decrease 在减少 【反义】2. die out1） 灭亡，灭绝2） （风俗、习惯等）逐渐消失die out （家族、物种等）死亡，灭绝；（风俗、习惯等）逐渐消失die away (声音，光线，风等)逐渐平息，渐弱die off (家族，种族等)相机灭亡；（草木）先后枯死die down (光，兴奋程度)渐弱，渐息；(声音，光线等)变弱、消失=die away4. reserve1） n.保护区；储存，保留； 2） vt.预订；保留5. hunt v.&n. 1) 打猎；猎取 go hunting 去打猎2) hunt for 搜索，追寻，寻找hunt sp. for 为寻找……搜索某地be on the hunt for 正在寻找，在寻求中 【搜索】 look for search for be in search of6. in piece =peacefully 和平地；和睦地；安静地at peace 和平地；安静地（与at war 相对） at peace/war with 与……处于和平/交战状态 make peace with 与……讲和/和解7. in danger of 在危险中；垂危 in danger 处于危险中，垂危 out of danger 脱离危险8. respond v.回答；作出反应；回报 respond to 回答/应答……，对……作出答复/回复respond to...(with)（对……）报以……，回报…… 【变形】response n.回答，答复；反应 in response to 为……回答，响应make (a) response to 回答，对……作出回应9. in relief 如释重负；松口气to one ’s relief 令某人感到欣慰的是 with relief 宽慰地give sb. (some) relief （稍微）减轻某人的痛苦10. burst into +n.突然（进入某种状态）=burst out +v-ing ； 闯入burst in 闯入；突然出现；插嘴11. mercy n.[U]仁慈，宽容，怜悯show mercy to sb. =show sb. mercy 同情、怜悯某人have/take mercy on sb. 怜悯某人 beg for mercy 乞求宽恕without mercy 毫不留情地；残忍地at the mercy of 任……处置；任由……摆布It's a mercy (that)... 幸运的是……12.certain adj.1)某个；某些（前置定语）2)确定的，一定，（表语=sure）be certain to do sth. 一定会做某事be certain of/about (doing) 对（做）某事有把握make certain of/that...搞清楚，弄明白=make sure of/that...for certain 确定；无疑=for sure13.protect...from/against 保护…免受…；使……免受……【阻止……做某事】keep...from doingstop ...(from) doing （被动不可省略）prevent...(from) doing （被动不可省略）defend...from/against 保卫……以抵御……14.contain vt.1)包含；容纳；装有，含有2)抑制；控制，克制（强烈的情感）【辨析】【变形】container n. 容器15.affect v.1)影响2)使感动；激起（悲伤、愤怒、爱等情绪）16.pay (much/more/little/no) attention to （非常/更多/很少/不）关注draw/attract/catch/get one’s attention to 吸引某人对……的注意fix/focus one’s attention on 将注意力集中于，专心于devote one’s attention to 专心致志于turn one’s attention to 将某人的注意力转向bring...to one’s attention 使某人注意come to one’s attention 受到某人的注意17.appreciate v.1)理解；意识到；领会2)欣赏，赏识；重视；鉴赏3)感激，感谢appreciate （one's）doing 感激（某人）做某事would appreciate it if/wh-要是……将不胜感激（类似hate,like,love,dislike）18.succeed v.1)成功succeed in (doing) sth成功做成某事2)接替；继任；继承succeed sb. (as) 接替某人（担任……）succeed to sth.继承某物【做事】manage to do sth.设法做成某事try to do sth.尽力做某事fail to do sth. 未能做成某事19.employ vt.1）雇用2）利用（时间、精力等）=make use of employ sb. to do sth.雇用某人做某事employ oneself in (doing)sth.=be employed in (doing)sth. 忙于某事；从事某活动employee 雇员employer 雇主20.harm n/vt.伤害；损害do harm to sb./do sb. harm伤害某人=be harmful to sb.do good to sb./do sb. good对某人有好处do wrong to sb./do sb. wrong冤枉某人e into being =come into existence形成，（指事物、局面等的）产生（无被动，无进行）come into effect生效come into action 开始行动come into power 当权，上台come into use 开始被使用22.inspect vt.检查；检验；视察；检阅23.according to 按照；根据……所说24.so that ...1）以至于……结果……；（结果状语）2）为了……，以便……（目的状语）。
1.辨析decrease，reduce：decrease指各种事物逐渐减少，逐渐衰弱的过程；Decrease the dose of medicine when you feel better.reduce指缩小事物的范围，强度，数量等，也可指级别，地位或经济条件降低。
He is trying to reduce the family’s expenses.decrease to/by...减少到/了on the decrease 在减少中decrease------increase（增加）2.die out 灭绝die for/to do 渴望，很想die away （声音，光线，风等）渐渐消失die down 逐渐变弱，逐渐平息，逐渐暗淡die off （家族，种族等）相继死亡；（草木等）先后枯死die of 死于...（通常有疾病，极寒，情感原因造成的死亡）die from 死于...3.in peace和平地，和睦地，安详地We always desire to live with our neighbours in peace.at peace处于和平状态The two countries have been at peace for more than 60 years.4.in danger (of) 在...危险中----------------------------out of danger脱离危险a danger to 对...危险的人/因素It is a fact that smoking is a danger to health.be dangerous for对...有危险5.respond vi.回答，回复，做出反应（药物等）有效-------reponse n.in response to 作为对.......的回答/反应6.关于in +n.表示处于某种状态或形式之中。
高一课本知识点详解及练习：必修2Unit4（人教版）Unit4 Wildlife protection知识点详解Ⅰ. 常考单词必背1． decrease vi.&vt.减少；(使)变小或变少They are making every effort to decrease the production cost.他们正全力降低生产成本||。
[ 迅速闪记 ](1)decrease to...减少到decrease by...减少了decrease from...to...从减少到(2)on the decrease在减少中2． loss n. 损失；丢失；丧失He was at a loss for words.他不知该说些什么||。
[ 迅速闪记 ]lose v. 失掉；输掉 ||，失败3. hunt vt.&vi.狩猎；猎取；找寻We've been hunting for the car keys for the last half hour.过去的半小时里||，我们向来在找汽车钥匙||。
[ 迅速闪记 ]hunt for sb/sth找寻某人/物hunt after追赶||，追求hunt down追捕||，缉捕4． respond vi. 回答；响应；做出反响He always responds to my questions without any patience.他老是很不耐烦地回答我的问题||。
[ 迅速闪记 ](1)respond to...回应；对做出反响respond by doing sth以某种方式回应(2)response n.响应；回答5． relief n. (难过或忧愁的)减少或排除；减少难过的事物It was a relief to be able to talk to someone about it.能和他人说说这件事||，感觉舒心多了||。
人教版新教材高一英语必修二知识点梳理Unit 4 History and Traditions1.belong to属于，是……的成员e.g. ①He belongs to the football club.他是足球俱乐部的成员。
②Lions and tigers belong to the cat family.狮子和老虎属于猫科。
③As is known to us, China is a country belonging to the Third World.众所周知，中国是一个属于第三世界的国家。
温馨提示：belong to不用于进行时态也没有被动语态。
类似用法的还有take place, occur, happen等。
2.defence n. 防御；保卫(1)in defence of 为了保卫；为……辩护in sb.'s defence为某人辩护(2)defend vt．防守；保卫；辩护；维护defend ... from (against)...保护……免受……；保卫……抵御……e.g. ①More and more women today have learned to arise in defence of their legal rights.现在越来越多的妇女学会起来保护她们的合法权利。
②I have to say in her defence that she knew nothing about it beforehand.我得为她说句话，她事先并不知道此事。
③Their duty is to defend the country from / against its enemies.他们的职责就是保卫国家，抵御敌人。
温馨提示：与defend ... from / against ... 用法类似的还有：prevent ... (from) ...; stop ... (from) ...; keep ... from ...; protect ... from / against ...等，在被动语态中from都不可省略。
人教版新课标高中英语必修二Unit 4 知识点明细Unit 4 Wildlife protection1.wild adj 野生的，未开发的wild flowers /animalsbeyond sb’s wildest dreams超出sb想象的，做梦也想不到的My boss offered me a salary beyond my wildest dreams.2.decrease v&n 减少，变小，降低These measures will help decrease the cost of production..Student number have decreased by 10%. / to 1000.There is a decrease of 6% in the number of visitors to museum.3.die out (物种)灭绝，（风俗，习惯等）逐渐消失Many old customs / animals are dying out.The noise had died down. 逐渐变弱，渐渐消失The wind had died away by dusk. (声音，风，光等)变弱;逐渐止息4.loss n.损失，丧失He told the police about the loss of his car.The fire causes a great loss.at a loss 茫然不知所措5.hunt v.打猎，搜寻They went to hunt deer.We'll go hunting in the afternoon.hunt for 搜寻，搜捕I'm hunting for a job.6.in dangerThey are in danger of disappearing.Doctors said she is now out of danger.He is a danger to himself and others.7.Daisy had always longed to help endangered species of wildlife.long后接to do 或for…渴望；盼望He longed to see her again.I am longing for cool weather.She longed for him to return.8.respond vi. 回答；响应；做出反应She responded to my letter with a phone call.How did she respond to the news?I asked him his name, but he didn’t respond.9.distant adj. 远的; 遥远的; 不相关的；冷淡的；疏远的The girl comes from a distant country.distant relatives 远亲Those two ideas are distantly related.distance n. 距离One can see the ancient ruins from/at a distance of 20 miles.One can see the ancient ruins in the distance.What is the distance from Los Angeles to San Francisco?10.I wonder what is being done to help you.wonder 后为what引导的宾语从句; 宾语从句中用的是现在进行时的被动语态The sports meeting is being held in our school.11.relief n.(痛苦,负担等的)缓和,减轻;解除; 轻松,宽心,慰藉The pills gave her some relief.It’s a relief to talk to someone about it.To her relief, her brother recovered quickly. 令人欣慰的是in relief 如释重负，松了口气(2012.江苏，24)---Don’t worry, Mum. The doctor said it was only the flu.---__________! I’ll tell Dad there’s nothing serious.A. What a r eliefB. CongratulationsC. How surprisingD. I’m sorry12.burst into laughter; burst out laughingburst into tears; burst out crying13.mercy n.仁慈，宽恕；怜悯They killed the animals without mercy.短语：at the mercy of… 任由摆布，对…… 无能为力They were lost at sea, at the mercy of wind and weather.show mercy to sb; have mercy on sb 怜悯某人He showed no mercy to his enemies.14.certain adj.确定的；某一For certain reasons I will not attend the meeting.for a certain reason 为了某种理由I am certain that a certain Mr Smith is asking for you.He is certain/sure to succeed.It is certain that he will succeed.他一定会成功。
