Unit 5 Reading and Thinking ppt课件-（2019）新人教版高中英语选择性必修第一册.pptx

1、ReadingThinking P50-52 Unit 5 Working the Land Read the statistics below. According to the World Health Organization (WHO). The world produces enough food for everyone. More than 800 million people go to bed hungry every day. Did you know these facts before? What problem do they show? Rice is the ma

2、in food in all East Asian and Southeast Asian countries. What do you think would happen if tomorrow there were suddenly no rice to eat? l Every year 15 million children die of hunger. l About 183 million children weigh less than they should for their age. Do something to help end hunger in the world

3、! The only way to solve the food shortage problem is to increase the yield of the grain crop per land area through the advancement of science and technology. Who is the man in the photo? What crop is he holding in his hands? What do you know about the man? What else do you want to know about him? Pr

4、e-reading Look and discuss： The photo is of Yuan Longping, holding sheaves of his hybrid rice. I know that he is often called the “father of hybrid rice”, and his work has sparked a farming revolution in China. I guess I want to know what he thinks about the future of Chinas agriculture. Introductio

5、n of Yuan Longping Name: Nationality: Born: Occupation: Education: Dream: Yuan Longping Chinese in 1930 in Beijing scientist/farmer Southwest Agriculture College, in 1953 To export his hybrid rice so that it can be grown around the globe While-reading Scan the text. Paragraph 1 Paragraph 2 Paragraph

6、 3 Paragraph 4 Paragraph 5 A Yuan conducted research and developed hybrid rice. D Yuan decided to study agriculture. C Yuan considers himself a farmer. E Yuans innovation has helped to feed more people. B Yuan is old but still working hard to fulfil his dreams. Paragraph 6 F Yuan cares little for fa

7、me or wealth. ReadMatch Yuan Longpings parents wanted him to pursue a career in agriculture science. _ Yuans innovation has helped feed not only China, but many other countries that depend on rice as well, such as India and Vietnam. _ From the passage, we know that Yuan Longpings lifelong pursuit is

8、 to keep all the people away from hunger. _ Dr Yuan is more a farmer than a scientist. _ Dr Yuans kind of rice is the most suitable for Chinas farmland. _ F T T F T True or False science or medicine still very much a farmer at heart Readanswer Why does Yuan Longping consider himself a farmer? Becaus

9、e he continually works the land in his research. Why did Yuan decide to study agriculture? He was concerned that farmers had poor harvests and sometimes even had a shortage of food to eat. What is the main advantage of hybrid crops? One characteristic of hybrids is that they usually attain a higher

10、yield than conventional crops. How has Yuans work helped China and other countries? Yuans innovation has helped feed not just China, but many other countries that depend on rice as well, such as India and Vietnam. What is Yuans latest vision? Seawater rice. Readanswer Group discussion Post-reading A

11、part from rice, what are some other important crops in China? What do you know about them? The most important crop besides rice is wheat, which is grown on different parts of China, and is used to make noodles and bread. Corn is also a popular crop in north and north-eastern China. It is used both f

12、or food and for animal feed. Other than hybrid rice, what other hybrid products do you know? Can you think of new hybrid ideas? Common hybrid crops include corn, rapeseed, sunflowers, and nearly all market vegetables. Some kinds of hybrid animals have been known for a long time, the most famous of w

13、hich is the mule - which is a hybrid of a horse and a donkey. The concept of a hybrid is not restricted to plants and animals. For example, there are hybrid cars, which are powered by two different kinds of engines (e.g., petrol and electric) at the same time. Group discussion Post-reading Language

14、points P50-51 Unit 5 Working the Land 课文回顾 1 To deal with this crisis, he chose to study agriculture. 2 He is a very good actor and he commits himself to every role that he takes on. 3 Yuan Longping strongly believed that the answer could be found in the creation of hybrid rice. 4 Yuan Longping, thr

15、ough intense effort, solved enormous difficulties and developed the first hybrid rice that could be used for farming. 5 This hybrid enabled farmers to increase their output greatly. 6 Students are encouraged to try a variety of free-time activities to reduce the intense stress from studying. Replace

16、 the underlined words with the correct forms of the words from the text. tackle devotes was (strongly) convinced overcame expand leisure Indeed, his slim but strong body is just like that of millions of Chinese farmers, to whom he has devoted his life. 句意：确实，他瘦削但结实的身躯看起来和他为之 奉献了一生的千千万万的中国农民一样。 devot

17、e . to 把（时间、精力或注意力）投入， 用于 devote oneself to 致力于；专心于（to是介词） devotion n. 奉献; 忠诚 例1：She decided to quit her job and devote more time to painting. 她决定辞掉工作，把更多的时间用在画画上。 例2：They devoted themselves to helping these homeless people. 他们全身心地帮助这些无家可归的人。 1. Faculty members _ most of their time _ scholarly resea

18、rch. 2. She had started to _her energies _ (teach) rather than performing. 3. His _ to his wife and family is touching. 4. He is adorable for his _ to science. 完成句子完成句子: devote to devote to teaching devotion devotion Yuan Longping realised that larger fields were not the solution. Instead, farmers n

19、eeded to boost yields in the fields they had. 句意：袁隆平意识到，解决问题的办法并不是扩 大农田面积，而是农民们需要提高他们已 有土地上农作物的产量。 yield n. 产量；收益 high yield 高产 low yield 低产 例1：It will bring you a 6% yield on your investment. 它会给你的投资带来6%的利润。 yield v. 除表示“生产；产出” 之外，还可表示“屈服；放 弃”之意。 例2：The fruit trees in his orchards yield a large amo

20、unt of apples and pears every year. 他果园的果树每年产出大量的苹果和梨。 例3：We shall never yield to the difficulties. 我们绝不会向困难低头。 Yuan Longping realised that larger fields were not the solution. Instead, farmers needed to boost yields in the fields they had. 1 The brave soldier would as soon die as yield to such an e

21、nemy. 2 The mine had yielded a total of about 3714 tons of coal. 3 Polluted water lessens crop yields. 4 His business yields very big profits. 那位英勇的军人宁死也不肯屈服屈服于这样的敌 人。 这座矿已生产生产了3714吨煤。 受污染的水源会降低农作物产量产量。 他的企业获利获利很大。 翻译下列句子翻译下列句子 Today, it is estimated that about 60 percent of domestic rice consumptio

22、n in China is comprised of crops generated from Yuans hybrid strains, and his strains have allowed Chinas farmers to produce around 200 million tons of rice per year. 句意：据估算，现在中国国内消费的稻米有大约60% 来自袁隆平的杂交水稻品种形成的作物，这些品种（形 成的作物）让中国农民每年能够生产出大约两亿吨稻米。 此句的真正主语是从句that about 60 . per year。因为 真正的主语太长，为了避免句子头重脚轻，

23、所以用形 式主语it。英语中还有许多类似It is estimated that . 这 样的结构，用来将真正主语后置。如： It is said/believed/reported that . domestic 在句中作形容词，表示“国内的”。 例：domestic flights domestic policy GDP (gross domestic product) domestic 作形容词还可以表示“家庭的；家务事的”。 例：domestic violence Hard work always takes your mind off domestic problems. Next,

24、 we look at the domestic economic growth situation. Competition between domestics and foreign imports is growing fiercer. 繁重的工作总使你忘记家庭的家庭的问题。 其次，我们来看一下国内的国内的经济增长情况。 国货国货与进口货之间的竞争更加激烈了。 Given that Yuans hybrids have made him quite wealthy, one might think he would retire to a life of leisure. However

25、, this is far from the case. 句意：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。然而，事实 远非如此。 given that 在句中作连词，意思是“考虑到”。 例1：Given that the students need more exercise, the head teacher has decided to add more PE classes. 考虑到学生们需要更多的锻炼，校长已决定增加 更多体育课。 例3：His work is far from (being) satisfactory. 他的工作一点也不令人满意。 gi

26、ven 可用作介词，表示“只要是；考虑到；假定；已 知”等意思。 far from the case 远非如此，也可以说far from being the case。其中，case表示 “情况；情形”。 far from sth 远远不；绝非 例2：Given his age, he is very strong and healthy. 考虑到他的年龄，他可以说是非常健康 强壮了。 Deep down, Yuan is still very much a farmer at heart. 句意：实际上，袁隆平在内心深处仍然是一位农民。 deep down 实际上；在心底 例1：He tri

27、ed to behave as an adult, but deep down he was still a child. 他试图表现得像一个大人，但是内心深处 他还是一个孩子。 very much 副词短语，表示“非常；确实是”。 在文中表示程度，起强调作用，可以不用翻译 出来。 例2：Kindness is very much a part of her character. 善良是她性格中一个重要部分。 Complete the sentences with the correct forms of the words from the text. The c_ of a person

28、are the special qualities that make him or her different from others. Scientists from different countries have been pursuing various possibilities to overcome food s_ . Many of us a_ that earthquakes would never happen in our area. With more and more farm machines being used in the fields, the c_ of

29、 fuel has been increasing. haracteristics hortage ssume onsumption Complete the sentences with the correct forms of the words from the text. Newspapers should pay less attention to media c_ and more attention to our national heroes. Our general manager tried his best to help overcome the difficultie

30、s we were facing during the financial c_ . My mother is very c_ and finds it hard to accept the modern lifestyle that I enjoy. The government has decided to boost the programme to g_ more new jobs. elebrities risis onventional enerate Complete the news report below with the correct forms of the word

31、s and phrases in the box. tackle vision conventional deep down be comprised of reality consumption A vast underground shelter built during World War has been turned into an urban farm, supplying supermarkets and restaurants in London. The shelter, which could protect up to 8,000 people from wartime

32、bombs, _ two large tunnels that were intended to one day become an extension of the London Underground. But that never became _ and the shelter was left for 70 years. Then businessmen decided to make use of it to grow green is composed of real Complete the news report below with the correct forms of

33、 the words and phrases in the box. tackle vision conventional deep down be comprised of reality consumption vegetables to meet increasing _ demands. The tunnels are lit with pink LEDs as there is no natural light _ below the ground. The vegetables are grown in special liquids instead of the earth th

34、at is used as in _ farming. Many experts share a _ that this kind of urban farming could help not only in _ the problem of population growth, but also in adapting to climate change. conventional vision tackling consumption deep down Use word formation to guess the meaning Often, new words are not re

35、ally “new” - they are just different forms of words that you may already know. For instance, a word ending with -ate is often a verb, while a word ending in -tion often a noun. Thus, we have communicate (verb) and communication (noun). English has many word patterns like this. Complete the sentences

36、 with the correct forms of the words in the box. 1 This school has _ thousands of bright young students over the years. 2 Most students look for jobs after university _. 3 Because of the _ of new strains of hybrid crops, people in many parts of the world now have more food to eat. 4 Last year, this new electric power plant _ enough energy to power the whole city. 5 It was difficult to calculate exactly how many trees had been cut down. However, a general _ was possible. graduation creation generated estimation educated create estimation education generation graduate Thank you!