资源简介

(共45张PPT)
教材突破
选择性必修　第一册
Unit 5　Working the land
基础知识 · 回顾
① devote... to (doing) sth. 把……奉献给……；专注于……
devote oneself to＝be devoted to 献身于；致力于
② devoted adj. 挚爱的；忠诚的；全心全意的
be devoted to sb. 深爱某人
③ devotion n. 奉献；忠诚；关爱
1
devote /d 'v t/ vt. 把……献(给)；把……专用于；专心于
核心词汇
[先讲解]
【写作金句】　[译林选必四U1P6]Among every generation there are those who are willing to bear the heavy burden of responsibility and devote themselves to working for the good of their country and people. 在每一代人中，都有人愿意承担那份沉重的责任，为国家和人民的利益而努力工作。(演讲稿)
【特别提醒】　devote...to中的to为介词，后跟名词或动名词。类似的动词短语还有look forward to、get down to、be/get used to、lead to、stick to、object to、pay attention to等。
① convince sb. of sth. 使某人确信某事
convince sb. that... 使某人确信……
convince sb. to do sth. 说服某人做某事
② convincing adj. 令人信服的
③ convinced adj. 确信的；坚信的
be convinced of 相信……
be convinced (that)．.. (某人)相信……
④ unconvincing adj. 不令人信服的
2
convince /k n'v ns/ vt. 使相信；使确信；说服
【写作金句】　[外研选必一U5P68]But Darwin's scientific studies were so convincing that more and more people started to believe his theory. 但是达尔文的科学研究是如此令人信服，以至于越来越多的人开始相信他的理论。(人物介绍)
① make an assumption about 假定……
on the assumption that... 假定……
② assume v. 假定；认为；承担(责任)；呈现
assume sb./sth. to be... 认为某人/某事是……
It is assumed that... 一般认为……
③ assuming conj. 假如
assuming (that)．.. 假如……
3
assumption / 's mp n/ n. 假定；设定；(责任的)承担；(权力的)获得
【写作金句】　It is generally assumed that drinking tea can not only refresh ourselves but also strengthen our memory. 人们普遍认为，喝茶不仅能提神，还能增强我们的记忆力。(推荐信)
in one's turn 轮到某人
by turns 轮流；交替
take turns in doing/to do sth. 轮流做某事
It's one's turn to do sth. 轮到某人做某事
It turns/turned out that... 结果是……
4
in turn 相应地；转而；依次；轮流
【写作金句】　[外研选必一U1P4] Seeing their daughter so much happier has in turn made Lara's parents more relaxed. 看到女儿快乐多了，反过来也让劳拉的父母更放松了。(情感描写)
① be essential to/for 对……很重要
It is essential that...(should) do... 做……是完全必要的
It is essential for sb. to do... 对某人来说做……是完全必要的
② essentially adv. 本质上
③ essence n. 本质，核心；精髓
in essence 从本质上讲
5
essential / 'sen l/ adj. 完全必要的；极其重要的
【写作金句】　Meanwhile, accepting ourselves helps us realize our strengths, which is essential for setting practical goals. 同时，接受自己可以帮助我们认识到自己的优势，这对于设定实际的目标是至关重要的。(建议信)
核心词汇
[再练习]
考点1　devote的相关用法
① [北师选必一U2P40]She is loved not only because of her __________(devote) to her career, but also because of her huge influence on the sport of volleyball.
② [译林必修三U1P7]It was organized by Green Hope, an organization _________
(devote) to protecting forests.
③ [外研选必三U2P24]After coming back from the US, Deng devoted himself whole-heartedly ____ the development of the “two bombs”．
devotion
devoted
to
④ [外研选必三U5P76] __________(devote) himself to observations of the natural phenomena, he recorded his detailed findings in his journals.
⑤ [写作迁移]该是我们致力于保护海洋的时候了，因为保护海洋就是保护我们自己。
________________________________________________________, because to protect oceans is to protect ourselves.
Devoting
It is high time that we devoted ourselves to protecting oceans
考点2　convince的相关用法
① She was ___________(convince) that her husband would overcome the difficulties and come to rescue her.
② [译林选必三U3P33]Without such specific information, the writers' ideas remain ______________(convince).
③ You need to convince your interviewer ____ your ability to master the work.
④ Scientists say there is no ____________(convince) evidence that power lines have anything to do with cancer.
⑤ [写作迁移]They stuck to their opinion because they are convinced of the accuracy of the data.
→_______________________________________, they stuck to their opinion. (分词短语作状语)

convinced
unconvincing
of
convincing
Convinced of the accuracy of the data
考点3　assumption的相关用法
① We students assume him _______(be) the most qualified professor in our school.
② [译林选必四U4P47]Before the first black swan was seen, the ____________
(assume) was that all swans were white.
③ It is generally _________(assume) that we should well preserve those ancient buildings which are of great significance.
④ [写作迁移]假定这份工作提前完成，下一步我们该做什么？
_________________________________________________, what should we do next
to be
assumption
assumed
Assuming that the work will be finished ahead of time
考点4　in turn及其拓展短语的相关用法
① Leaving home for the first time, he felt cheerful and sad ____ turns.
② It was my turn ________(get) a ticket when someone cut in line.
③ [写作迁移]They wanted to pass the driving test as quickly as possible, so they drove the car by turns. (同义句转换)
＝They wanted to pass the driving test as quickly as possible, so they ___________
_______________.
④ [写作迁移·译林选必三U1P6]这些产业反过来又为当地居民提供了就业机会，他们的福利取决于旅游业。
These industries, _________, give jobs to the local population, ______________
______________________.
by
to get
took turns
to drive the car
in turn
whose welfare
depends on tourism
考点5　essential的相关用法
① Sun and water are essential ________ the growth of crops.
② ____ essence, a firm belief is the key to success of revolution.
③ [人教选必二U1P10]Two of the ___________(essence) qualities a scientist needs to have seem to be curiosity and creativity.
④ [写作迁移]众所周知，学生得到充足的睡眠是极其重要的。
_________________________________________________________________
to/for
In
essential
As we all know, it is essential that students (should) get enough sleep.
1
attain / 'te n/ vt. (通常经过努力)获得，得到；达到(某年龄、水平、状况)
一词多义
【对点微练】　赏句猜义
① [译林选必四U3P30]Through the work we do, our goals can be attained and our dreams achieved. ___________________________
② The high-speed train of China can attain speeds of up to 453 kph (kilometres per hour). ________________________
(通常经过努力)获得，得到
达到(某年龄、水平、状况)
2
extension / k'sten n/ n. (为非全日制学生开设的)进修部，进修课；扩大，延长；电话分机线，分机号码；延期
【对点微练】　赏句猜义
① The extension of the subway will take several months. _____
② He first entered the country on a six-month visa, and was given a further extension of six months. _____
③ [译林选必四U4P55]After taking extension courses for four years, Henry got his degree in history. _________________________________________
④ What's your extension number ________________________
延长
延期
(为非全日制学生开设的)进修部，进修课
电话分机线，分机号码
① given that在句中作连词，意为“考虑到”。
② given可用作介词，意为“考虑到；鉴于”。
重难句式
【课本原句】 Given that Yuan's hybrids made him quite wealthy, one might think he would have retired to a life of leisure. 考虑到杂交水稻使袁隆平变得相当富有，人们可能认为他会退休享受闲适的生活。
given that... 考虑到……
【写作迁移】
① 考虑到他的背景，他能做这件事情就不令人吃惊了。
______________________, it's no surprise that he can do this.
② 鉴于阅读能开阔我们的视野，我们应将其养成终身习惯，以保持开放的心态。
__________________________________________, we should make it a lifelong habit to keep our minds open.
Given his background
Given that reading can broaden our horizons
写作能力 · 提升
素材积累
应 用 文 话题：农业
【好词记忆】
1. organic farming 有机农业　　　　　　　　　
2. suffer from hunger 挨饿
3. face food shortages 面临粮食短缺　　　　　
4. boost crop yield and quality 提高作物产量和质量
5. pest and disease control 病虫害防治
6. improve the ecological environment 改善生态环境
应 用 文 7. scientific farming methods 科学耕作方法
8. solve the problem of food shortage 解决粮食短缺问题
9. food rich in minerals and vitamins 富含矿物质和维生素的食物
10. integrate traditional farming with modern technology 将传统农业与现代技术相结合
应 用 文 【好句背诵】
1. 无灵主语句
Last Friday witnessed our visit to Sky Farm, an advanced smart farm.
上周五，我们参观了天空农场，这是一座先进的智能农场。
2. where引导定语从句
First, we visited the rice planting base, where researchers had planted different kinds of rice.
首先，我们参观了水稻种植基地，研究人员在那里种植了不同种类的水稻。
应 用 文 3. what引导主语从句
What makes modern agriculture great is that it produces more food with fewer resources, helping feed more people.
现代农业的伟大之处在于，它能以更少的资源生产更多的粮食，从而养活更多人口。
4. 现在分词作状语
We will use organic methods to cultivate the plants, avoiding chemical fertilizers and pesticides.
我们将采用有机方式培育这些作物，摒弃化学肥料和农药。
读 后 续 写 【动作描写：手部动作】
1. hit sb. on the head 打某人的头　　　　　　　　　
2. drag...out of 从……拽出来……
3. shake hands with sb. 与某人握手
4. shake one's fist at sb. 朝某人挥拳
5. wave sb. goodbye 与某人挥手告别
6. rub one's hands 搓手
7. cross one's arms 双臂交叉　
8. put one's arms around sb. 搂住某人
9. take sb. in one's arms 把某人搂进怀里
10. reach into one's pocket 将手伸进某人的口袋
实战演练
应用文(投稿：现代农业)
1. ________________________________________________________________ (现代农业与过去的传统耕作相比，已经发生了巨大变化).It no longer depends only on farmers' hard work and good weather—new technologies are making it smarter and more efficient.
For example, many farms now use small drones to spray crops with pesticide, which saves time and ensures precise application. Some also have smart systems that check soil humidity and water plants automatically. 2. ___________________________________
___________________________________________________________________(现代农业的伟大之处在于，它能以更少的资源生产更多的粮食，从而养活更多人口).
Modern agriculture has changed a lot from traditional farming of the past
What makes modern agriculture great is
that it produces more food with fewer resources, helping feed more people
However, we still need to protect farmland and use eco-friendly methods. 3. ________
_____________________________________________________________________________________________(只有这样，现代农业才能在保障我们生活的同时，兼顾对环境的保护).
Only in
this way can modern agriculture continue to support our lives while protecting the
environment
读后续写(动作描写：手部动作)
4. 他双臂交叉，靠在墙上等着。
He __________________ and leaned against the wall, waiting.
5. 当火车开动时，我们向朋友们挥手告别，泪水湿了眼眶。
______________________________________________________________ as the train pulled away, tears welling up in our eyes.
6. 那人接过麻袋，把手伸进自己的口袋，然后将四枚硬币放在我手里。
The man took the sack, _________________________ and placed four coins in my hand.
crossed his arms
We waved our friends goodbye/We waved goodbye to our friends
reached into his pocket
必备知识 · 过关
Ⅰ. 英汉互译(每空1分，共30分)
1. ________ n. 产量；输出
2. __________ v. 包括；包含；由……组成
3. _________ adj. 有机的；不使用化肥的
4. ________ n. 想象；视力；视野
5. _____________ n. 可供选择的事物
6. ___________ adj. 完全必要的；极其重要的
7. ________ n. 危机；危急关头
8. _______ v. 使增长；使兴旺
output
comprise
organic
vision
alternative
essential
crisis
boost
9. __________ v. 克服；解决；战胜
10. ________ v. 扩大；增加；扩展
11. __________ v. & n. 估计；估算
12. ______ n. 泥土；土壤
13. _______ n. 谷物；谷粒；颗粒
14. ______ n. 炸弹
15. _______ n. 小麦；小麦籽
16. ____________ adj. 分布广的；普遍的
17. _________ n. 矿物；矿物质
overcome
expand
estimate
soil
grain
bomb
wheat
widespread
mineral
18. _________ n. 食品杂货店
19. __________ n. 例子；实例
20. ______ n. 根；根源
21. ________ n. 方面；层面
22. _______ adj. 城市的；都市的
23. _______ n. 产量；产出　v. 出产(作物)
24. __________ adv. 全部地；完整地；完全地
25. pollinate v. _____________
grocery
instance
root
aspect
urban
yield
entirely
授粉；传粉
26. broom n. ___________________
27. tunnel n. _______________________
28. fertiliser n. ______
29. pesticide n. __________________
30. bacterium n. _______
扫把；扫帚；金雀花
地下通道；地道；隧道
肥料
杀虫剂；除害药物
细菌
Ⅱ. 词汇拓展(每空1分，共23分)
1. _____________ n. 消耗；消耗量；消费→consume v. 消费；消耗→__________ n. 消费者
2. convince v. 使相信；使确信；说服→___________ adj. 确信；坚信→____________ adj. 令人信服的
3. attain v. (通常经过努力) 获得；得到→____________ adj. 可获得的
4. ____________n. 假定；设定→assume v. 假定；认为
5. devote v. 把……献(给)；专心于→_________ adj. 忠实的；深爱的→__________ n. 奉献；关爱
6. _________n. 现实；实际情况→real adj. 真实的→_________ n. 现实主义
consumption
consumer
convinced
convincing
attainable
assumption
devoted
devotion
reality
realism
7. _______adj. 含盐的；咸的→salt n. 盐
8. _________n. 贫穷；贫困→poor adj. 贫穷的
9. _____________ adj. 营养(物)的→nutritious adj. 有营养的→___________ n. 营养；滋养
10. _______ n. 深(度)→deep adj. 深的
11. __________ v. 产生；引起→generator n. 发电机
12. ___________ n. 扩建部分；扩大；电话分机→extend v. 延长；扩大；扩展
13. __________ adj. 化学的→chemistry n. 化学→_________ n. 化学家；药剂师；药房
salty
poverty
nutritional
nutrition
depth
generate
extension
chemical
chemist
14. characteristic adj. 典型的；独特的→___________ n. 品质；性格；人物；角色
15. __________ n. 不足；短缺→short adj. 短的→_________ v. (使)变短，缩短
16. digest v. 消化→____________ n. 消化；消化能力
character
shortage
shorten
digestion
Ⅲ. 重难短语(每空1分，共15分)
1. _____________ 把……用于；献身；致力
2. _____________ 被用于
3. _________________ 包括；包含；由……组成
4. ___________ 依靠；取决于
5. __________ 远非；绝不是
6. ___________ 在内心深处；本质上
7. _______________________ 使某人确信/相信某事
8. ________________________ 成功做某事
devote...to　
be used for
be comprised of
depend on
far from
deep down
convince sb. of sth.
succeed in doing sth.
9. __________ 凭空想出，虚构出
10. _________ 相应地；转而；依次；轮流
11. _________________ 对……造成伤害
12. ____________ 大量含有；富有
13. ____________________________________ 别无选择只好做某事
14. __________ 完全；深入；详细
15. ______________ 例如；比如
dream up
in turn
cause damage to
be rich in
have no alternative but to do sth.
in depth
for instance
Ⅳ. 单词拼写(每题1分，共8分)
1. [人教选必三U3P32]It attracts millions of __________(本国的，国内的) and foreign visitors each year.
2. [外研选必一U5P70]Yuan Longping began to do research on ________(杂交植物) rice because natural disasters had led to food shortages in the 1960s.
3. [外研选必三U5P76]Thoreau's writing aimed to __________(使确信) people that animals and plants had a right to live and prosper, as we do.
4. [人教选必一U5P53]What Yuan Longping really cared about was not money or ___________(名望)．
domestic
hybrid
convince
celebrity
5. [外研选必二U5P68]So, I am here on Macquarie Island to participate in the programme to ______________(解决，处理) this very problem.
6. [人教选必一U5P52]Students are encouraged to try a variety of free-time activities to reduce the _________(十分强烈的) stress from studying.
7. [外研必修一U6P94]With pleasant __________________(味道) and scents, and coming in a variety of colours, fruit and herbal teas make a nice change to traditional teas.
8. [人教选必一U5P51]Given that Yuan's hybrids made him quite wealthy, one might think he would have retired to a life of _________(闲暇，空闲)．
tackle/solve
intense
flavours/flavors
leisure
Ⅴ. 单句语法填空(每题1分，共8分)
1. [外研必修三U2P22]Digging wells is a good way, but not the only way, to solve the problem of water __________(short) in Africa.
2. [译林选必三U4P45]Due to human population growth, the demand for production and _____________(consume) of goods increases.
3. [人教选必一U5P50]One characteristic of hybrids is that they usually attain a higher yield than ______________(convention) crops.
4. [外研选必三U3P35]I have full confidence in your courage, __________(devote) to duty and skill in battle.
shortage
consumption
conventional
devotion
5. [人教选必一U5P56]The goal of using different _________(organism) farming methods is to grow good food while avoiding damage to the environment or to people's health.
6. [译林选必一U3P40]Zhang's timeless scroll is an important example of ________
(real) in the history of Chinese paintings.
7. [人教选必二U3P32]Processed foods often contain less ___________(nutritious), and have higher quantities of sugar, salt, and fat than fresh ingredients.
8. [外研选必一U5P77]Ants communicate with each other through touch, ________
(chemistry) signals, moving their bodies and even using their legs to make sounds.
organic
realism
nutrition
chemical
Ⅵ. 高级句式表达(每题4分，共16分)
1. 鉴于你对中国传统文化如此感兴趣，我邀请你参加我们学校的文化艺术节。(given that...)
_______________________________________________________, I invite you to take part in the Culture and Art Festival in our school.
2. 我的中文和英文都很好，这使我能够流利地与游客交流。(动词-ing作结果状语)
I have a good command of both Chinese and English, _________________________
_________________________.
Given that you are so interested in traditional Chinese culture
enabling me to communicate
with visitors fluently
3. 当战争爆发的消息传来时，他决定参军。(that引导同位语从句)
When the news came ________________________, he decided to serve in the army.
4. 给我印象最深的是，无论何时我遇到困难，我的叔叔都会激励我坚持梦想。(what引导主语从句)
___________________________ that my uncle will always motivate me to stick to my dream whenever I come across difficulties.
that the war broke out
What impresses me most is

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