高考英语 高三一轮复习 unit 5 Working the land 课件 新人教版 选择性必修1

(共18张PPT)
高三一轮复习
人教版 选择性必修1 unit 5 Working the land
单元词汇 词汇练习
语法复习 重点句子
试题点拨 每课一练
devote -- devoted -- devotion -- dedicate --faithful -- loyal -- committed
shortage -- lack -- absence
tackle -- handle -- address -- attack
crisis -- crucial -- critical
boost -- increase -- encourage -- inspire --promote -- help
yield -- output -- harvest -- produce -- provide -- agree -- subject
convince -- assure -- persuade
characteristic -- feature -- nature -- property -- typical
attain -- achieve -- arrive -- reach -- accomplish
conventional -- old-fashioned -- traditional -- usual
知识清理---单元词汇联想
assumption -- assume -- suppose -- suspect -- take -- pretend
intense -- extreme -- severe -- fierce -- violent -- intensity
overcome -- defeat -- conquer
expand -- increase -- extend -- enlarge -- spread -- develop
output -- production -- yield -- harvest
estimate -- assess -- evaluate -- calculate -- judge -- rate
domestic -- family -- household -- home -- tame
consumption -- consume -- drink -- eat -- use -- spend -- waste
comprise -- contain -- consist -- include -- involve
generate -- produce -- reproduce -- create -- cause
strain -- pressure -- stretch -- injury -- type -- feature
知识清理---单元词汇联想
leisure -- recreation -- relaxation -- comfort -- rest
soil -- earth -- dirt -- land -- country
celebrity -- fame -- reputation -- star
envision -- vision -- image -- fantasy -- dream -- sight
grain -- crop -- cereal -- seed -- sand -- particle
reality -- real -- truth -- fact
salty -- salt
urban -- city -- rural
bomb -- explode -- explosive -- attack -- failure
extension -- extend -- enlarge -- increase -- expand -- expansion
chemical -- chemist -- chemistry
知识清理---单元词汇联想
flavor -- taste
nutrition -- nutritional -- nutritious
alleviate -- relieve -- ease
poverty -- poor -- neediness -- shortage -- absence
organic -- organ -- farming -- green
pesticide -- suicide -- insecticide
widespread -- worldwide -- countrywide -- nationwide
digest -- absorb -- understand -- grasp -- summary -- digestion
essential -- vital -- necessary -- basic -- important -- required -- needed -- fundamental
mineral -- mine -- miner -- matter
alternative -- option -- choice -- substitute -- replacement
知识清理---单元词汇联想
grocery -- grocer -- groceries
instance -- example -- case
depth -- deep
root -- grassroots -- source -- origin
entirely -- entire -- completely -- wholly -- fully -- totally
aspect -- part -- appearance -- direction
知识清理---单元词汇联想
1. devote time/money/energy/oneself to sth /doing be devoted to sth/doing devoted mother/soldier/worker
2. a shortage of food shortage
3. tackle the crisis/problem/pollution tackle sb about sth
4. boost yields boost confidence
5. convince sb of sth be convinced of /that--- convincing evidence
6. attain one’s goal attain fluency in
7. conventional views/methods/behavior/opinion conventional forces
8. intense efforts intense heat/ cold/ pain/ interest/ competition with intensity
9. overcome difficulties be overcome with sorrow
词性和词组联想
10. expand the output expand her vocabulary
11. estimate sth at --- be estimated to be a rough estimate
12. domestic jobs domestic animals
13. energy/electricity/fuel/ water/food consumption encourage consumption
14. be comprised of
15. generate electricity generate profits
16. leisure time a life of leisure
17. deep down
18. a grain of rice/sand a grain of truth go against the grain
19. envision a new society
20. have a good vision a man of vision
词性和词组联想
21. in reality a reality show face reality
22. an extension of one meter the extension of sth an extension to by extension
23. a regional flavor an international flavor a fruit flavor flavor of the month
24. live in poverty out of poverty
25. organic farming/food organic disease organic compounds
26. in turn in return
27. readers’ digest digest food
28. be essential for /to sth / to do
29. mineral water a copper mine mine for gold
词性和词组联想
30. an alternative method/road alternative energy an alternative lifestyle an alternative to sth
31. for instance for example
32. in depth at a depth of a man of depth the depth of love the depths of the ocean
33. the root of all evil have its roots in sth be rooted in root up
34. every aspect of life
词性和词组联想
词汇练习
1. D his whole life to the job, he neglected his family.
2. To tackle this c , he chose to study agriculture.
3. Yuan was c that the answer could be found in the creation of hybrid rice.
4. The common a then was that it could not be done.
5. Through i effort, Yuan overcame enormous technical difficulties.
6. This hybrid enabled farmers to e their output greatly.
7. One might think he would retire to a life of l .
8. This affects the crops on the land and the animals and humans who d_____ them.
9. There is usually more water than e minerals.
10. Organic farmers also plant diverse crops that use different d of soil.
keys: Devoted crisis convinced assumption intense expand leisure digest essential depths
知识清理---重点句子
His slim but strong body is just like that of millions of Chinese farmers, to whom he has devoted his life.
What concerned him most was that farmers often had poor harvests and sometimes even had a serious shortage of food to eat.
How this could be done was a challenging question at the time.
One characteristic of hybrids is that they usually attain a higher yield than conventional crops.
Whether it was possible to develop a hybrid of self-pollinating plants such as rice was a matter of great debate.
It is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuan’s hybrid strains.
What impresses people most about Yuan Longping is his ongoing ability to fulfil his dreams.
知识清理---语法复习
本单元语法为主语从句。参考P53练习部分。从句在句子中充当主语，称之为主语从句，是名词性从句的一种。
What Yuan Longping really cared about was not money or celebrity.
It surprised the whole world that Yuan Longping had realized his dream of developing seawater rice.
What matters most in learning English is enough practice.
That fashion differs from country to country may reflect the cultural differences from one aspect.
Who broke the glass yesterday is not clear.
When we arrive doesn’t matter.
每课一练
It has been proved that eating vegetables in childhood helps to protect you against serious illnesses in later life.
When these wheat farmers will join this pilot experiment remains an unanswered question.
What worries many people is that these chemicals may even cause cancer.
That the lifestyle is slower and healthier is the reason why some people prefer to live in the country rather than in the city.
Whichever of you comes in first will receive a prize.
Why the dinosaurs disappeared suddenly still remains a puzzle.
试题点拨---文章结构和理解
Now you can have polar bears as pen friends. First you need to find one, then tranquilize it and quickly give it the necessary tools before it wakes up. It’s an awkward first encounter --- how many friendships do you know that start with tranquilizers --- and admittedly a one-sided correspondence, but soon they’ll be sending messages daily.
1. What does the author intend to do in Paragraph 1
A. Provide some key facts about polar bears.
B. Explain how to deal with wild polar bears.
C. Describe how to get polar bears ready for tracking.
D. Suggest ways to save tranquilized polar bears.
解析: C. 科普性说明文往往要使用生动有趣的语言介绍一些科学研究领域的事情，把枯燥呈现出趣味。本篇文章要介绍用定位项圈发回的信息研究濒危的北极熊的生活情况，第一段给出了研究的方法和如何给北极熊带项圈，以下段落是对发回的定位信息的分析和研究。
试题点拨---小作文 节约粮食
假如你是李华。你班举办了一次节约食物的讨论，请你用英语写一篇发言稿，阐明你的看法。内容包括：
1. 你的观点； 2. 你的行动； 3. 向同学们发出号召。
注意：词数在80左右。
点拨：发言陈述自己的观点，语言要精练准确，逻辑清晰。这篇短文第一段要明确写明自己对节约粮食的观点，第二段叙述自己的逻辑和行动，第三段总结并发出号召。
参考范文：
Hi, everyone,
Glad to have the opportunity to talk about saving foods. My topic is small actions make difference.
As we all know, food travel a long way from a seed to an ear of rice or wheat, from grains to the food on table, during which l lot of human efforts and energies involved in. We should treasure the food served to us and respect the people and energy behind it. We should show respect for not wasting the food, from every mouthful and spoonful. Never scoop more than we can bite, always mind bits and pieces, spilled or shed. Small actions bring out our virtues. Small actions make much difference. I appeal to you. Save food. Thanks.
Everyday Sayings
Yesterday will not be called again.
光阴一去不复返。
You can't eat your cake and have it.
鱼和熊掌,不能兼得。
有得就有失。