Chinese（1）scientistscientist（science）Yuan Longping died in a hospital in Changsha at the age of 91.Yuan（2）spentspent （spend）his life researching rice，known by the nickname "Father of Hybrid Rice." Worldwide，one（3）fifthfifth （five） of all rice now comes from，kinds created by him.
Yuan with his team worked with a number of（4）countriescountries （country）around the world to manage to deal with the problem of food safety as well as malnutrition （營(yíng)養(yǎng)不良）.Even in his later years，Yuan did not stop doing research.In 2017，working with a Hunan agricultural（農(nóng)業(yè)的）school，he helped create to（5）aa new kind of low-cadmium （鎘） indica rice for areas suffering from heavy metal pollution，reducing the amount of cadmium in rice by more than 90%.
【答案】scientist；spent；fifth；countries；a
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發(fā)布：2024/9/6 16:0:9組卷：0引用：1難度：0.5
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