2020届上海市实验学校高三英语一模试卷及答案.pdf

2020届上海市实验学校高三英语一模试卷及答案--第1页 2020届上海市实验学校高三英语一模试卷及答案 第一部分 阅读（共两节，满分 40分） 第一节（共 15小题；每小题 2分，满分 30 分） 阅读下列短文，从每题所给的A 、B、C、D 四个选项中选出最佳选项 A A Lifelong Devotion to Keeping People Fed Yuan Longping is a Chinese agricultural scientist and educator, known for developing the hybrid rice varieties. Yuan graduated from the Southwest Agriculture Institute in 1953 andbegan his teaching career at an agriculture school. In the 1960s, when a serious food shortage sweptChina, Yuan decided to devote himself to studying how to increase the yields of rice. He then began a lifelong connection with rice. Yuan succeeded in growing the world’s first high -yielding hybrid rice varieties in 1973, which could reach a yield of over 500 kg per mu (about 0.067 hectares), rising from the previous yield of only 300 kg per mu. For the next four decades, he continued to work on research and development of hybrid rice, achieving increasingly higher outputs. In 2020, hybrid rice developed by Yuan’s team achieved 1,500 kilograms per mu in two growing seasons, a new world record. InChina, where rice is the main food for the majority of the 1.4 billion people, the planting area of hybrid rice has reached 16 million hectares, or 57 % of the total planting area of rice, helping feed an extra 80 million people a year. Hybrid rice has also been grown in over 40 countries, including theU.S.,Brazil,India,Vietnam, thePhilippinesandMadagascar. The total planting area of the hybrid rice has reached 8 million hectares overseas. Even after a great success, Yuan never held himself back from making new breakthroughs. In 2017, his team started to grow seawater rice inQingdao. The rice was designed to grow in saline -alkaline lan