由“杂交水稻之父”袁隆平团队研发的第三代杂交水稻于10月21日至22日首次公开测产,第三代杂交水稻新组合试验示范衡南基地平均亩产达到1046.3公斤。
阅读短文,回答问题。
The third-generation hybrid rice(杂交水稻)which was developed by Yuan Longping, the “father of hybrid rice”, and his team underwent its first public yield(产量)monitoring from Monday to Tuesday and achieved high output. The final yield of the tested variety, G3-1S/P19, came to 1046.3 kg per mu (about 667 square meters), based on two plots of land in Qingzhu Village under the city of Hengyang in central China’s Hunan Province.
“Some previous high-yielding hybrid rice varieties in China took 160 to even 180 days from sowing to harvesting, while the figure was shortened to around 125 days for the new variety. This is one of the most important characteristics of the third-generation hybrid rice that can reduce the use of pesticides and fertilizers, thus reducing cost and improving production efficiency.” said Qian Qian, the deputy director of the China National Rice Research Institute.
Unlike the previous two generations that required a large amount of water and fertilizers as well as demanding growing conditions and technological support, the third-generation hybrid rice is easier to be cultivated(种植)by ordinary farmers. So the soil, altitude and climate of the test site were not “ideal conditions” carefully selected beforehand but were close to the paddies of ordinary farmers.
Nowadays, China’s average yield of rice is about 500 kg per mu. Ordinary farmers can produce 600 kg to 700 kg of rice per mu by growing some excellent second-generation hybrid rice varieties. However, under the same planting conditions and environment, the yield of the third-generation hybrid rice could reach 800 kg per mu. China now feeds around 20 percent of the world’s population with less than 9 percent of the world’s arable(可耕种的)land.
At present, Yuan’s team has nine third-generation hybrid rice combinations under trial, which are expected to achieve commercial seed production in the following three to four years and hope to apply the technology into the research of sea rice. The third-generation hybrid rice has the comprehensive strength to promote a greener and more sustainable development of China’s rice production with higher quality and yield.
1. What feature of the new hybrid rice does Qian Qian mainly talk about?
A. It saves a lot more water.
B. It achieves a higher yield.
C. It saves much more farmland.
D. It has a shorter growing period.
2. Why is the new hybrid rice not tested in ideal areas?
A. The ordinary farmers master planting technology.
B. The researchers want to reduce the experiment cost.
C. The growing conditions the new hybrid rice needs are simple.
D. The previous rice farming provides researchers with experience.
3. What is the fourth paragraph mainly about?
A. The high output of the third-generation hybrid rice.
B. The promising future of the new hybrid rice variety.
C. The advanced technology of the research on hybrid rice.
D. The differences between the three hybrid rice varieties.
4. Which one could be the best title of the text?
A. The Development of China’s Rice
B. The Contribution of the Great Scientist
C. The High Yield of the New Hybrid Rice
D. The Way to Feed the World’s Population
【参考答案】DCAC
单词学习
1. undergo v. 经历
My mother underwent major surgery last year. 我母亲去年动过大手术。
2. pesticide n. 杀虫剂
3. fertilizer n. 肥料
4. deputy n. 副职 deputy director 副所长
5. National Rice Research Institute 国家水稻研究所
6. altitude n. 海拔
The plane made a dive to a lower altitude. 飞机俯冲到较低高度。
7. paddy n. 稻田 a rice paddy 水稻田
知识拓展
袁隆平:杂交水稻之父,杂交水稻研究领域的开创者和带头人,致力于杂交水稻技术的研究、应用与推广,发明“三系法”籼型杂交水稻,成功研究出“两系法”杂交水稻,创建了超级杂交稻技术体系。他运用超级杂交稻的技术成果,提出并成功实施了“种三产四丰产工程”。其出版中、英文专著共6部,发表论文60余篇。2018年4月14日,袁隆平在采访时发表了对转基因的看法。对于转基因大豆,袁隆平指出,只要是通过安全检测的转基因作物,都是没有问题的。袁隆平表示,转基因是农业的未来发展方向。2018年9月8日获得“未来科学大奖”生命科学奖;2018年12月18日,党中央、国务院授予袁隆平“改革先锋”称号,颁授改革先锋奖章,获评杂交水稻研究的开创者。2019年9月17日,袁隆平获得了“共和国勋章”。