高中英语人教版（2019）选择性必修第四册Unit2 & Unit3 知识点课件（共23张PPT)

(共23张PPT)
选择性必修四unit2
一．背重点单词变形
1．foundation n．创建；基础；地基→found vt.创立；建立；创办
2．political adj.政治的→politics n．政治→policy n. 政策→politician n. 政治家
3．located adj.位于→location n．位置→locate vt.把……设置在；把……建造在
4．bakery n．面包(糕饼)店；面包厂→bake n．烤；烘烤食品 vt.烤；烘焙
5.butcher (n) 肉贩；屠夫 →butchery (n) 残杀；屠杀．
6 herb (n) 药草；香草；草本→herbal (adj) 香草/药草的
7.breathe (v) 呼吸→breath (n)呼吸→breathless (adj) 气喘吁吁的
→breathtaking (adj) 激动人心的；惊人的
8.entitle (v) 给……命名；使享有权利→entitlement (n) 权利，资格
9.vibrate vt.& vi.(使)振动→vibration n．振动；心灵感应
10.iconic /a k n k/ adj.符号的；图标的 icon n.图标；偶像
11.equator / kwe t (r)/ n.赤道→equal adj. 相等的→equation n. 等式
12.joint /d nt/ n.公共场所(尤指价格低廉的饮食和娱乐场所)；adj. 联合的；共同的 →jointly adv. 共同地
13.straightforward / stre t f w d/ adj.坦率的；简单的 → straight adj. 直的，坦率的
14.frog /fr ɡ/ n.蛙；青蛙 → froggy adj. 蛙的，不好的，讨厌的
15.dive /da v/ vi. & n. ( dived/dove, dived ) 潜水；跳水；俯冲；暴跌 →diver n. 潜水者
16.freedom / fri d m/ n.自由；不受……影响的状态
→free adj. 自由的，免费的，随心所欲的 adv. 免费地，自由地 v. 释放，使免于（-freed-freed）
17.liberty / l b ti/ n.自由 （The Statue of Liberty）→liberal adj. 自由的
→liberally adv. 自由地→liberate v. 解放
18.distribution / d str bju n/ n.分布；分配；分发 →distribute v. 分发，分配→distributed adj. 分开的，分配的
19.temporary / tempr ri/ adj.暂时的；短暂的 →temporarily adv.→permanent adj.永久的
20.violent / va l nt/ adj.暴力的；猛烈的 →violence / va l ns/ n.暴力暴行
21.biology /ba l d i/ n.生理；生物学 →biological adj. 生物的 (biological clock/ diversity)→.biologist n. 生物家
22.capacity /k p s ti/ n.能力；容量; 能力；才能，智能，职责pl. → capable adj. 才能的
二、重点词块及短语
1．make an impression on　　　 给……留下印象
2．do some research on 对……做一些研究
3．refer to ...as ... 把……称作……
4．major in 主修
5．on the other hand 另一方面
6．lead to 导致；造成
7．be native to 产于……；出生于
8．be in close contact with 与……保持密切联系
9．breathe in 吸气；吸入
10．make up 组成；编造；弥补；化妆；和好；铺床
11．play a part in 在……中起作用
12．personally speaking 就个人来说
13．feel at home 有宾至如归的感觉
14．start with　　　　　　　　　 以……开始
15．be astonished to 使惊讶
16．all in all 总而言之
17．be unique to 对……来说是独特的
18．go bungee jumping 去蹦极
19．in short 简而言之
三、重点句型
课内基础达标——补全句子
1. 位于赤道以南，并在地球上很多国家的下方，它常被非正式地称为“down under”。(过去分词短语作状语)
Located to the south of the equator__, below many other countries on the globe, it’s often informally referred to as “down under”.
2. 就我个人而言，关于澳大利亚我最喜欢的是澳大利亚人。(what引导主语从句)
Personally speaking, _what I like most about Australia__ is the people themselves.
3. 他们绝大多数的乐器其实就是地上找到的树枝，其中就有一种令人惊叹的、叫作迪吉里
杜管的乐器。(“介词＋关系代词”引导的定语从句)
Most of their musical instruments are really just sticks found on the ground, among which there is an amazing instrument called the didgeridoo
4. 它们制造的噪音能够吵醒死人。(修辞之夸张手法)
The noise they make could _wake the dead_.
(ii) 课外拓展延伸——补全句子
1. 我们学校有丰富多彩的课外活动，旨在扩大我们视野。(There be...＋定语从句)
There are _colorful after-class activities in our school which can broaden our horizons
2. 我真的相信通过我们的共同努力，我们的世界将会变得更加和谐。(joint)
I really believe our world will _ become a more harmonious one with our joint efforts.
3. 位于这座城市的西端，这个公园有很大的空间供游客漫步。(locate)
_Located at the west end of the city, the park has a lot of room for visitors to walk around.
四、活动安排及范文
假定你是李华,你的美国朋友Peter正在你们校开展为期两周的交流活动。请你给他写封邮件邀请他一起去郊游,欣赏中国美丽乡村。内容包括:1.时间和地点;2.特色乡村文化体验(如赏美景、看演出、品美食等)。
Dear Peter,
I know you are taking part in the interactive activity in our school, which lasts for two weeks. I want to invite you to go outing and appreciate the beautiful countryside.
I plan to go outing this weekend and we will go to the east part of our city.I will meet you at the gate of our school in the morning.(要点1时间、地点)We can enjoy the beautiful scenery along the road. After that, we will watch performances, which reflect on the development of countryside.【高分句型1】At last，we will taste delicious food,which I think you are sure to like.(要点2特色体验)【高分句型 2】
Would you like to accept my invitation Looking forward to your reply.
Yours
LiHu
选择性必修四Unit3
一、背拓展单词
1.extend v.扩展；使伸长；延长→extensive adj.广阔的；大量的；广泛的→extension n.延伸，扩展，延长期
≈ expand v. 扩大，增加，发展，详→expansive adj. 广阔的，扩张的，发展的，开朗的，健谈的→expansion n. 扩大，扩张，膨胀
VS. extent n. 程度，范围，长度
2.negotiate/n ɡ ie t/vt.商定；达成(协议) vi.谈判;磋商；协商→negotiation n. 协商→negotiable adj. 可协商的
3.behold/ b h ld/ vt. ( beheld, beheld )看；看见→beholder n. 旁观者
a sight to be hold蔚为壮观 a joy/pleasure to behold赏心悦目 a wonder to behold令人惊叹
4.royal / r l/ adj.皇家的；王室的；高贵的→royalty n. 王族，王室
5.spice /spa s/ n.(调味)香料→spicy adj. 辣的；香料重的；刺激的
6.withdraw/ w dr / vi.＆vt. ( withdrew, withdrawn ) (使)撤回；撤离→withdrawal n.退出；撤回；中止
7.politics/ p l t ks / n. 政治；政治观点→political adj.→politically adv.→politician n. →policy n.政策
8．profession n．职业；行业→professional adj.专业的；职业的→professor n．教授；(大学的)讲师，教员
9．mixture n．混合；结合体；混合物→mix vt.配制；混淆；使混合→mixed adj.混合的；人员混杂的
10．coverage n．新闻报道；覆盖范围→cover vt.包括；报道；行走；足以支付；覆盖
11．applaud vt.& vi.鼓掌 vt.称赞；赞赏→applause n．鼓掌；掌声；喝彩
12．manned/ m nd / adj.有人控制的；需人操纵的；载人的→unmanned adj.无人的；无人操控的
13．submersible/ s b m s bl / n.潜水器；可潜船 adj. 能潜水的→submerse v. 淹没， 潜水→submersion n. 淹没
14．murder vt.谋杀；凶杀；毁坏 n．谋杀；凶杀→murderer n．谋杀犯→murderous adj.蓄意谋杀的，凶残的
15．mercy n．仁慈；宽恕；恩惠→merciful adj.仁慈的；慈悲的；宽容的→merciless adj.残忍的；无慈悲心的
16．possession n．[usually pl.]个人财产；拥有；控制→possess vt.控制；使掌握；具有；迷住；拥有→possessor n. 所有人，拥有者
17．opponent n．反对者；对手；竞争者→oppose vt.反对；抵制→opposed adj.反对的；截然不同的→opposite adj. 相反的
18. arrest/ rest /n.逮捕；拘留；中止 vt.逮捕；拘留；阻止→arrested adj. 逮捕的→arresting adj. 引人注意的；很有吸引
二、背短语、词块
1．search for　　　　　　寻找；搜索
2. centre around 以……为中心
3．lead to 导致；通向
4．in a league of one's own 独领风骚
5．under the command of 在……的指挥下
6．set sail 起航；开航
7．in return for 作为对……的回报
8．withdraw from 退出；撤回
9．reach out across the ocean_ 跨越海洋
10．for the benefit of 为了……的利益
11．in order to 为了
12．in hand 在手头；可供使用
13．first of all　　　　　　　　 首先
14．go out with 和……一起出去
15．track their movements 追踪它们的活动
16．be added to the directory 被添加到目录中
17．be threatened by 受到……威胁
18．a group of 一组，一群
19．take pictures of 拍……的照片
20．share sth. with sb. 与某人分享某物
三、背重点句式
1.课内基础达标——补全句子
1. 从科学角度看，迫切需要研究北极，以了解气候变化及其影响。(There is a need to do sth有必要做某事)
From a scientific point of view, _there is an urgent need to study the Arctic in order to understand climate change and its effects.
2. 数百年过去了，由于拥有了最新技术，在贸易的必要性和增进关系的愿望的驱动下，中国将跨海越洋，迈向未来。(with复合结构)
Hundreds of years on, and with the latest technology in hand, the need to trade and the desire to enhance relationships will drive China to reach out across the sea far into the future.
3. 尽管郑和的古代海上路线已经重走很多次了，但仍有许多其他地方有待探索。(There be＋名词＋left＋to do...剩下某事要做)
Although the ancient sea routes of Zheng He have been travelled many times, there are still many other places left to explore.
4. 希望随着技术的进步，我们可以有更多的选择来管理这种平衡。(as引导时间状语从句)
Hopefully, as technology improves, we may have more options for managing this balance.
(ii) 课外拓展延伸——补全句子
1. 我可以抽出一些时间再学习功夫，这样我们就可以每天一起练习了。(so that)
I can spare some time to learn kung fu again, so that we can practice together every day.
2. 我们大赚了一笔，因此我们决定该是启程回家的时候了。(set sail)
We made a great deal of money, so we decided that it was time to set sail for home
3. 手头有了足够的资料，我们可以按照安排开始执行我们的计划了。(in hand)
Having enough data in hand, we can set out to carry out our plan as scheduled.
4. 我们应该怜悯残疾人而不是看不起他们。(mercy)
We are supposed to show mercy to the disabled instead of looking down upon them.
四、活动安排及范文
假定你是李华,你校将在暑假举办国际中学生夏令营,主题为“感受中国文化”。请给你的美国朋友Mary写一封电子邮件她来参，并说明相关情况(大学教授讲座;游览故宫、长城等名胜古迹;所需费用等)。
Dear Mary,
Here's a good opportunity for you to learn about the Chinese culture right in China. In the summer holidays, a camp will be held in my school for international students to experience the Chinese culture.(引出主题)
Lectures will be given by professors from famous universities in China. Students of different cultures can have a face-to-face talk with each other.【高分句型 1】Besides,trips to historical places of interest will be made, including the Palace Museum,the Great Wall and so on.【高分句型2】Come and experience the real Chinese culture! You’re free to stay in our school, but pay for entrance tickets to places of interest at a discount and your flights fully.(介绍相关情况)【高分句型3】
I'm looking forward to your coming to China.
Yours sincerely.
Li Hu