外研版英语九年级阅读理解试题及答案Scientists have worked for twelve years to develop what they call Green Super Rice. The “green” in Green Super Rice means environmentally friendly. “Super” means the rice can grow well in bad soil conditions and keep away insects and diseases. Researchers say it will produce at least as much grain as other rice plants but with fewer inputs.Modern rice plants produce two to three times more grain than that was possible before the 1960s. but they also require large amounts of
