必修 4 Unit 2
A PIONEER FOR ALL PEOPLE
Although he is one of China's most famous scientists, Yuan Longping considers 1. (him) a farmer, for he works the land 2. (do) h
is research. Indeed, his sunburnt face and whom is called super (grow) rice
arms and his slim, strong body are just like those of millions of Chinese farmers, 3. he has struggled for the past five decades. Dr Yuan Longping grows 4. hybrid rice. In 1974, he became the first agricultural pioneer in the world 5. 6. has a high output. This special strain of rice makes7.
(produce) one-third more of the crop in the same fields. Now more than 60% of the rice 9. (produce) in China each year 10. (be) from this hybrid strain.
Born into a poor farmer's family in 1930, Dr Yuan graduated from Southwest Agricultural College in 1953. Since then, 11. 12. (find) ways to grow more rice has been his life goal. (increase) the rice output. At that
a young man, he saw the great need for 13.
time, hunger was a 14. searched 15.
(disturb) problem in many parts of the countryside. Dr Yuan (expand) the area of the
a way to increase rice harvests without 16.
fields. In 1950, Chinese farmers could produce only fifty million tons of rice. In a recent harvest, however, nearly two hundred million tons of rice was produced. These 17. harvests mean that 22% of the world's people 18. (increase)
(be) fed from just 7% of the farmland in
China. Dr Yuan is now circulating his knowledge in India, Vietnam and many other less 19. (develop) countries to increase their rice harvests. Thanks 20. hunger. 22. his research, (use) his
the UN has more tools in the battle to rid the world 21. hybrid rice, farmers are producing harvests 23. Dr Yuan is quite 24.
(two) as large as before.
(satisfy) with his life. However, he doesn't care about 25. (free) to do his research. He would much rather violin music, playing mah-jong, 28. (lead) a comfortable life also
(famous). He feels it gives him less 26.
keep time for his hobbles. He enjoys listening 27. (swim) and reading. Spending money on himself or 29.
means very little to him. Indeed, he believes that a person with too much money has more rather than 30. (few) troubles. He therefore gives millions of yuan to equip others for their
research in agriculture. Just 31. (dream) for things, however, 32. (cost) nothing. Long ago Dr yuan
had a dream about rice plants as tall as sorghum. Each ear of rice was as big as an ear of corn and each grain of rice was as huge as a peanut. Dr Yuan awoke from his dream with the hope of producing a kind of rice 33. could feed more people. Now, many years later, Dr Yuan
has another dream: to export his rice so that it can be grown around the globe. One dream is not always enough, especially for a person 34. loves and cares for his people.
CHEMICAL OR ORGANIC FARMING? Over the past half century, 1. (use) chemical fertilizers has become very common in (stop) crop disease and increase
farming. Many farmers welcomed them as a great way 2. production. Recently, however, scientists 3. can cause damage 4.
(find) that long-term use of these fertilizers (danger), to people's health.
the land and, even more 5.
What are some of the problems 6.
(cause) by chemical fertilizers? First, they damage . Chemicals also , .
the land by killing the helpful bacteria and pests as well as the harmful 7.
stay in the ground and underground water for a long time. This affects crops and, 8. animals and humans, since chemicals get inside the crops and cannot just be washed 9. These chemicals in the food supply build 10. chemicals can lead 11. other food 13. cancer or other 12.
in people's bodies over time. Many of these (ill). In addition, fruit, vegetables and fast to be full of
(grow) with chemical fertilizers usually grow 14.
much nutrition. They may look beautiful, 15. vitamins and minerals. 17.
inside there is usually more water 16.
these discoveries, some farmers and many customers are beginning to turn 18. using any chemicals. They focus
organic farming. Organic farming is simply farming 19. 20.
keeping their soil rich and free of disease. A healthy soil reduces disease and helps
crops grow strong and healthy. Organic farmers, therefore, often prefer using natural waste from animals 21. fertilizer. They feel that this makes the soil in their fields 22. (rich)
in minerals and so more fertile. This also keeps the air, soil, water and crops free from chemicals. Organic farmers also use many other methods to keep the soil fertile. They often change the kind of crop in each field every few years, 23. the next year peas or soybeans. Crops such 24. back into the soil, 25. example, growing corn or wheat and then peas or soybeans put important minerals need
(make) it ready for crops such as wheat or corn 26.
rich and fertile soil. Organic farmers also plant crops to use different levels of soil, for example, planting peanuts that use the ground's surface 27. (follow) by vegetables that put down (prevent) wind
deep roots. Some organic farmers prefer planting grass between crops 28. or water from carrying 29. the soil, and then 30.
(leave) it in the ground to
become a natural fertilizer for the next year's crop. These many different organic farming methods have the same goal: to grow good food and avoid 31. people's health. (damage) the environment or