Unit 5 Working the land 一轮复习课件-2024届高三英语人教版（2019）选择性必修第一册

Unit5 Revision hybrid devote devote…to shortage tackle crisis boost yield convince characteristic attain conventional pollinate assumption intense overcome expand output estimate domestic consumption comprise be comprised of generate strain leisure deep down soil celebrity envision sorghum broom grain vision reality salty urban bomb tunnel extension chemical wheat flavour fertiliser nutritional nutritious nutrition alleviate poverty organic pesticide widespread bacterium in turn digest essential mineral alternative grocery instance for instance depth root entirely aspect Known as the “father of hybrid rice”，Yuan Longping has devoted his life to the Chinese farmers. Once，China had a serious shortage of food. To tackle this crisis，alleviate hunger and get rid of poverty，Yuan was convinced that farmers must boost yields in the fields they had. One characteristic of hybrids showed that they could attain a higher yield than conventional crops. Through intense effort，Yuan overcame enormous difficulties to develop the first hybrid rice that enabled farmers to expand their output greatly. 被誉为“杂交水稻之父”的袁隆平把一生奉献给了中国农民。中国的粮食曾经严重短缺。为了应对这个危机，缓解饥饿和摆脱贫困，袁隆平确信农民必须在已有土地上提高 产量。杂交作物的一个特点表明，它们可以获得比传统作物更高的产量。通过极大的努力，袁隆平克服了巨大的困难，培育出了第一代杂交水稻，使农民能够大幅度提高（水稻的）产量。 Today，it is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuan’s hybrid strains. Deep down，Yuan is still very much a farmer at heart. As a man of the soil，he cares little for celebrity or money. Despite his wealth，Yuan Longping doesn’t live a life of leisure. His assumption is that he envisioned rice plants as tall as sorghum, with each