高中英语必修二Unit4-知识点讲解及答案复习课程

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。

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 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。

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。

全国通用2023高中英语必修二Unit4HistoryandTraditions知识点总结归纳完整版单选题1、For breakfast Lisa only drinks juice from fresh fruit ______ on their own farm.A．being grownB．grownC．to be grownD．to grow答案：B考查非谓语动词。

句意：早餐时，丽莎只喝自家农场种植的新鲜水果榨的果汁。

分析可知，空处作名词fruit的后置定语，应用非谓语动词，grow和逻辑主语fruit之间为被动关系，应用过去分词；此处不表动作正在进行或将来，故用现在分词和不定式的被动式。

故选B。

2、After completing and signing it, please return the form to us in the envelope ________. A．providingB．providedC．having providedD．to provide答案：B考查非谓语动词。

句意：在填完这份表格并签了字之后，请用我们提供的信封把它寄回给我们。

分析可知，envelope后是定语，而provide和envelope之间是被动关系，用过去分词作后置定语，表被动。

故选B。

3、With all her time ________ experiments, she has no time for entertainment.A．devoted to doingB．devoted to doC．devoting to doD．is devoted to doing答案：A考查非谓语动词和固定短语。

句意：她所有的时间都用在了实验上，没有时间娱乐。

分析可知，在with复合结构中，devote应用非谓语动词，它和逻辑主语time之间是被动关系，应用过去分词；固定短语devote...to...“把……用于……”中to是介词，其后接do的动名词形式作宾语。

高中英语必修2（外研版）Unit 4 Fine Arts---Western, Chinese and PopArts知识点总结一、重点词汇词义辨析：alive/living/live/lively都有“活着的”意思，含义和所做成分各有不同。

他因粗心大意断送了前途。

be/get tired of：对...厌烦I'm so tired of your stinky shoes.我真受不了你的臭鞋子。

tell by：从...可看出In England，it's easy to tell a person's class by his speech．在英国，根据一个人的言谈就很容易判断出其所属的社会阶层。

put off：推迟；延期Because of the bad weather, we suggested putting off the meeting till tomorrow. 因为坏天气，我们建议把会议推迟到明天。

拓展：put 词组1. put up with：忍受2. put out ：熄灭，扑灭3. put down：记录，写下4. put forward：提出5. put up：举起；张贴一词多义：adopt vt.采纳，采用；领养The store recently adopted a drug testing police for all new employees.这家商店进来实行新雇员做药检的政策。

Sally was adopted when she was 4.Sally 四岁时被人领养。

一词多义：stand vt. 站立，坐落于；忍受There stands a tall building between the bus station and the shopping center. 在车站和购物中心坐落着一座建筑物。

I can’t stand people smoking around me when i am eating.我受不了吃饭的时候有人在我旁边抽烟。