高中英语必修二Unit4-知识点讲解及答案复习课程
新外研英语选择性必修二Unit 4 单元 四步复习法 讲义
Unit 4 Breaking boundaries—2022-2023学年高二英语外研版（2019）选择性必修第二册大单元“四步复习法”第一步：单元学习目标整合1.学生掌握本节课的重点单词和词组，理清文章架构，掌握有关无国界医生的相关知识2.学生掌握it作形式主语的用法和语法意义3.了解美国记者埃德加·斯诺的事迹，并用所学内容写一篇演讲稿，介绍一位为促进两国交流做出重大贡献的人物第二步：单元思维导图回顾知识第三步：单元重难知识易混易错it作形式主语一、用法由于主语从句过长，为了避免头重脚轻，常常用it做形式主语，而把主语从句放在句末，常用的主要有以下五种句型：1.It+be+形容词(clear/obvious/true/nature/surprising/good/wonderful/funny/possible /likely/probable/certain/fortunate)+that的主语从句……，意为“做……是……的。
”It was surprising that she passed the difficult exam.真让人惊讶，她居然通过了这次有难度的考试。
It is clear that he told a lie.很明显，他撒谎了。
2.It+be+过去分词(said/reported/believed/thought/expected/announced/confirmed) + that从句……，意为“据……。
”It's said that they are opposite-sex twins.听说他们是龙凤胎。
3. It + be + 名词(a pity/no wonder/an honor/a good idea/a fact/good news) + that从句……，意为“做……是……的。
”4. It + 不及物动词（短语）(seem/happen/appear/look/occur/turn out)+that从句……It happened that they were out that day.碰巧那天他们不在家。
高中英语必修二Unit 4英语知识解析
高中英语必修二Unit 4英语知识解析Unit 4 Wildlife Protection，旨在提供综合运用所需材料!想要真正掌握英语,词汇是必不可少的必备条件,所以词汇教学是英语学习中的关键。
高中英语必修二单词及语言点总结Unit 4 Wildlife ProtectionWord usage:1. protection n.1) [U] the act of protecting or state of being protected2) [C] a person or thing that protectsEg: Youd 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 possession2) the pain, harm, damage caused by losing sth.3) [C] a failure to win or obtainEg: Did you report the loss of your jewellery to the police?Hell try his best to make up the loss.What make him unhappy was the loss of yesterdays football match.4. reserve n.1) [C] a piece of land reserved for a purposse2) [C] a quantity of sth. kept for future use.3) v. to keep for a special purpose.4) v. bookEg: We drove the car slowly and watched the lions in the nature reserve.I must keep a good reserve of energy for tomorrows match.Youd 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 surfaceEg: You havent cleaned the area under the table.There arent many wild birds in this area.Whats 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 huntingEg: 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, quietness2) [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 eatEg: Ive 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 writing2) 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) holdEg: 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. inEg: 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 havent 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 happenedeg; In San Francisco, four hundred people were killed as result of the earthquake.2. die out : disappear completelyEg: This kind of bird is dying out.Many traditional customs have die out because they are out of date.The fire is dying out. Youd better add some firewood.3. in danger: at riskEg: The little boy was once in danger of losing his sight. Which doctor helped him out of danger?4. protect…from : protect …againstEg: 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 youd better pay more attention to your written English.。
人教版高中英语必修二Unit4HistoryandTraditions知识点总结归纳完整版(带答案)
人教版高中英语必修二Unit4HistoryandTraditions知识点总结归纳完整版单选题1、Friendship, ______ on mutual respect and ______ feelings and activities, tends to last long.A．based; sharedB．basing; sharedC．based; sharingD．basing; sharing答案：C考查非谓语动词。
句意：友谊建立在相互尊重、分享感情和活动的基础上，往往会持续久远。
分析句子结构可知，该句谓语动词是 tends to ，base与逻辑主语Friendship之间是被动关系，故要用过去分词形式based作定语修饰Friendship；固定短语base on意为“基于；使建立在……基础上”，其中介词on后应接动名词sharing。
故选C项。
2、Only a(n) ________ of people are interested in that political issue. A．flockB．amountC．handfulD．bagful答案：C考查固定短语。
句意：只有少数人对那个政治问题感兴趣。
A. flock（鸟或羊等动物）群，一大群人；B. amount数量；C. handful一把；少数，少量；D. bagful满口袋。
a handful of 少量的，一小部分。
根据空前的“only”可知只有少数的人对政治感兴趣。
故选C。
3、With the Olympic flame ________, the Beijing 2022 Winter Olympics came to an end on February 20th.A．to extinguishB．extinguishesC．extinguishedD．extinguishing答案：C考查非谓语动词的用法。
人教版_高一英语必修二_Unit4_单元知识图谱
burst into laughter 突然笑起来；大声笑了出来 do harm to 对……造成损害
1. as 引导的方式状语从句
It shows the importance of wildlife protection, but I'd like to help as the WWF suggests. 这体现了
The Present Progressive
Passive Voice 现在进行时的被动语态
1 /1
项目 核心单词 重点短语 经典句型 必备语法
Unit4 单元知识图谱 目标要求
protection n. 保护 decrease vi. &vt. 减少；（使）变小；或变少 loss n. 损失；遗失；丧失 reserve n. 保护区 hunt vt. &vi. 打猎；猎取；搜寻 distant adj. 远的；远处的 mercy n. 仁慈；宽恕；怜悯 contain vt. 包含；容纳
die out 灭亡；逐渐消失
protect… from 保护……不受……（危害）
in peace 和平地；和睦地；安详地
pay attention to 注意
in danger (of) 在危险中；垂危
come into being 形成；产生
in relief 如释重负；松了口气
according to appreciate vt. 感激；欣赏 succeed vt. 继承；vi. 成功 employ vt. 雇用；利用（时间、精力等） harm n. &vt. 伤害 bite vt. &vi. 咬；叮；刺痛 inspect vt. 检查；视察 fierce adj. 激烈的；猛烈的
Unit4 Language Points 阅读知识点课件-高中英语人教版选择性必修第二册
(2)please interj. 请(礼貌用语)
v.
使高兴,使满意
please oneself
乐意怎样就怎样
(3)pleased adj.
感到满意的;高兴的
be pleased with
对……感到满意
(4)pleasing adj.
令人满意的;令人高兴的(修饰物)
单句语法填空 1-1 (2018北京,书面表达, )I sincerely hope your dream will come true and it's my pleasure (please) to show you around in Beijing when that day comes. 句意:我真诚地希望你的梦想成真,而且我很高兴当那天到来时能带你到北京转转。 考查词性转换。根据空前面的形容词性物主代词my可知,此处需要用名词作表语。 1-2 (2017课标全国Ⅱ,语法填空, )Steam engines were used to pull the carriages and it must have been fairly unpleasant (pleasant) for the passengers, with all the smoke and noise. 句意:蒸汽机被用来拉动车厢,这对乘客来说肯定是令人相当不愉快的,因为烟雾和 噪音太大了。考查形容词。根据前面的have been可知,此处需要用形容词,再结合 句意可知应该填unpleasant,意为“使人不愉快的”。
eg The bell is massive, weighing over 40 tons. Masses of books covered every surface in the room.
高中英语人教版必修第二册unit4重点句型详解
高中英语人教版必修第二册unit4重点句型详解UNIT 4 HISTORY AND TRADITIONS1.And so hold on when there is nothing in you所以当你一无所有时要坚持【词汇精讲】hold on是动词短语,意为“抓牢;坚持不懈;稍等一下”。
Though I met with a lot of difficulties,I held on.尽管我遇到了很多困难,但我坚持不懈。
2.An idiom is an expression which means something different from the meaning of the individual words.成语是一种表达方式,它的意思与单个词的意思不同。
【词汇精讲】individual作形容词,意为“单独的;个别的”;作名词,意为“个人”。
3.Why do you think William said his hometown was similar to Qufu?你认为威廉为什么说他的家乡与曲阜相似?【句式剖析】do you think是插入语,在句中不作成分,通常放在疑问词后。
当句子中有此类插入语时,句子要用陈述语序。
【句式拓展】常用于这种形式的动词有:think,suggest,hope,believe,suppose,guess,consider,imagine等。
What do you believe the earth is made up of?你觉得地球是由什么构成的?4.Getting to know a little bit about British history will help you solve this puzzle.了解一下英国历史会帮助你解决这个谜题。
【词汇精讲】puzzle作名词,意为“谜;智力游戏;疑问”,作动词,意为“迷惑;使困惑”。
What puzzles you is actually a puzzle for many parents in China.使你困惑的事实际上对很多中国父母来说也是个谜题。
Unit 4 重要知识点讲解2021-2022学年人教版高中英语必修二
Unit 4Wildlife protection重要知识点讲解1. If their habitat is threatened or they can’t find enough food, their numbers may decrease. 如果他们的栖息地受到威胁或者他们找不到足够的食物，他们的数目就可能减少。
The number of children in the school has decreased this year. 今年在校的儿童人数减少了。
There was a decrease in the number of children in school. 在校的儿童人数有所减少。
decrease in number 数目减少2. As a result these endangered animals may even die out.结果，这些濒临危险的动物可能会灭绝。
The polluted air in the city is badly endangering the health of the residents.城里被污染的空气正严重地危及居民的健康。
an endangered species; an endangered culture.濒临绝种的生物种类；濒临绝传的文化die out 逐渐消失，灭绝die off相继死去die away逐渐停止，逐渐消失die down逐渐减弱，逐渐模糊3.loss of bamboo growing areas竹子生长区的损失His unfortunate death was a great loss to the firm. 他的不幸去世对他的商行来说是个重大损失。
Their company suffered loss on loss in business last year. 他们公司去年在生意上接二连三地亏本。
高中英语人教版必修二Unit-4知识点汇总及强化练习
Unit 4 Wildlife Protection 单元要点预览Ⅰ 词语辨析Ⅱ 词性变化Ⅲ 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。
________________________________________________________________ ________________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。
[重点用法](much) to one’s relief 使某人大为放心；使某人深感宽慰[练习] 中译英1). 我最庆幸的是没有迟到。
________________________________________________________________ ________________2). 见到你在这儿也就放心了。
________________________________________________________________ ________________3. hunt vt. & vi. 打猎; 猎取; 搜索[典例]1). Wolves hunt in packs. 狼是成群猎食的。
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必修二第四单元Ⅰ.词汇短语过关1．respond vi.回答，答复；响应，作出反应response n. 回答，回复；反应respond to sb./sth.回答(比answer, reply to正式)respond to sb./sth. (with/ by sth.) 用……回应某人(事)respond to (疾病、身体的受伤部分)对医药有良好反应response to sb./sth. (对人/物)的回答/回复/反应in response to 作为对……的反应[即学即练1](1)They still haven't ____________ my letter.他们至今仍没有回我的信。
(2)He ____________ my suggestion ________ a laugh/______ laughing. 他对我的建议报以一笑。
(3)His illness didn't ____________ treatment by drugs.他的疾病对药物治疗没有反应。
(4)My mother opened the door ____________________ the knock, but there was no one outside.听到敲门声后，我妈妈打开了门，但外面一个人都没有。
responded to , responded to , with , by , respond to , in response to2．certain adj. 确定的；无疑的；某(种)(1)作“某(种)”讲时，同义于some.但some 前不加冠词。
for a certain reason＝for some reason 由于某种原因certain professors＝some professors 某些教授a certain amount of time 相当一段时间(2)作“确信的，有把握的”讲时，同义于sure.但是certain 的主语既可以是人，也可用于It is certain that...句型，而sure 主语只能是人。
“be certain/sure＋从句”(人)有把握/确信……(表示主语的信念)be certain/sure of/about sth. (人)确信(表示主语的信念)be certain/sure to do sth. 必定/肯定会做某事(主语常为二、三人称，表示说话人的信念)“make certain/sure＋从句”弄清楚/确保……make certain/sure of/about sth. 把某件事情弄清楚for certain/sure 确定地，确切地(做状语)It is certain that... 一定会……(不能用sure)[即学即练2](1)There was _________________ in his manner.他的态度有点冷淡。
(2)Are you ____________________ it？你对此有把握吗？(3)He is __________________ his duty.他肯定会尽职。
(4)_________________ he has wronged me.我确信他冤枉了我。
(5)_________________ their team will win the match.他们队肯定会赢得比赛。
a certain coldness , certain about/of , certain to do , I’m certain that , It’s certain that3．contain vt. 包含；容纳(＝hold)；抑制(＝control)[即学即练3](1)His paper ___________ no mistakes at all.他的试卷没有一点错误。
(2)Orange juice ____________ things which help keep you healthy.橘汁里含有有益于健康的东西。
(3)This bottle ___________ two glasses of beer.这个瓶子可容纳两杯啤酒。
(4)He couldn't ____________ for joy.他不胜欢喜。
contained , contains , contains , contain himself4．affect vt.影响；感动；(疾病)侵袭be greatly/deeply affected很/深受感动be affected by heat/cold中暑/着凉be affected with high fever发高烧[即学即练4](1)The amount of rain ______ the growth of crops.降雨量直接影响庄稼生长。
(2)One of her lungs ____________ a little so that she has to rest.她的一叶肺有些感染，所以她不得不休息。
(3)The audience ____________________ by his speech.听众被他的演讲深深打动了。
affects , is affected , were deeply affected5．appreciate vt. 欣赏；感激；喜欢appreciation n. 欣赏；感激appreciate sth. (thank sb.) 感激某事或某人appreciatedoing sth.感激做某事one/one's doing sth.感激某人做某事I would appreciate it if... 如果……，我将不胜感激。
[即学即练5](1)He highly __________________________.他非常感谢他的帮助。
(2)We shall ___________________________ you again.我们将很高兴再次收到您的来信。
(3)I really ____________________________ to the party.你能来参加这次聚会我太高兴了。
(4)I would ______________________ you could help me.如果你能帮助我，我将不胜感激。
appreciated his helpappreciate hearing fromappreciate your comingappreciate it if6．succeed v．成功success n. [U]成功；成就[C]成功的人或事successful adj. 成功的successfully adv. 成功地succeed in doing sth.have success in doing sth.be successful in doing sth.成功做某事achieve great success 取得巨大的成功sb./sth. is a success 成功的人或事[即学即练6](1)We all _____________________ the mid－term examination.我们都成功地通过了期中考试。
(2)Failure is the mother of __________.失败是成功之母。
(3)He was _________________________ as a novelist.他是非常成功的小说家。
succeeded in passing , success , a success7．harm vt. & n．损害；危害harmful adj.有害的be harmful to＝do harm todo sb. harm＝do harm to sb.对……有害There is no harm in doing sth.＝It does no harm (for sb.)to do sth.做某事是个好主意(或没有坏处)。
[即学即练7](1)The dog seems fierce, but it won’t ______ anyone.这条狗看上去很凶，但它不会伤害任何人。
(2)Fruit juice can ______________________ children’s teeth.果汁可能损坏儿童的牙齿。
(3)He may say no, but ___________________________ asking.他可能拒绝，但问一问也无妨。
harm , be harmful to , there is no harm in8．die out 灭亡，逐渐消失die out 绝种，灭绝；熄灭；(风俗、习惯等)逐渐消失die off(家族、种族等)相继死亡；(草木)先后枯死die away(声音、光线、风等)渐弱，渐息，平息die down(火、光线、兴奋、暴风雨等)渐弱，渐息；(声音)静下来die of 指死于疾病、衰老、饥饿、悲伤等die from 指由于外伤、外界原因、粗心、不注意、劳累过度等而死[即学即练8](1) Scientists said that those plants ______ a century ago.科学家们说那些植物一个世纪前就绝种了。
(2) Many old customs ___________________________.许多古老的风俗正逐渐消失。
(3)If the snowstorm does not blow over, the cattle will ______________.如果暴风雪不停息，牲畜就要死掉了。
(4)Open the air hole; the fire is ___________________.把气孔打开，火要熄了。
died out , are dying out , die off , dying down(5)Every winter some old people _______________ hypothermia.每年冬天都有一些老人死于体温过低。
(6)Nowadays many people ________________ cancer.现在有很多人死于癌症。
die from , die of9．in danger (of...)处于危险之中out of danger 脱离危险[即学即练9](1)The drowned girl was obviously_________________________.很明显，那个溺水的女孩的生命危在旦夕。