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题型:阅读理解-单选 难度:0.65 引用次数:16 题号:19896986

On May 22, 2021, people in China and around the world felt sad. China’s “father of hybrid rice(杂交水稻之父)” Yuan Longping died at 91 on this day.

Yuan spent his life researching hybrid rice, which ended hunger for millions of people not only in China, but around the world. Hybrid rice is grown in 57 percent of China’s rice fields. It feeds an extra 80 million people a year. It is also grown in over 40 countries, including India, the US and Brazil, etc.

Yuan grew up in a time of war and famine(饥荒). How to get enough to eat was a serious problem in China at that time. After he finished high school, he decided to study agriculture(农业). After seeing many people die of hunger during a serious famine that lasted from 1959 to 1961, he decided to study hybrid rice.

In 1973, he succeeded in growing the world’s first high-yield(高产的) hybrid rice. It could reach a yield of over 500 kg per mu, higher than the 300-kg yields from normal rice.

In 2019, he was awarded the Medal of the Republic, China’s highest state honour. In 2020, hybrid rice achieved 1,500 kilograms per mu in two growing seasons, setting a new world record. His team also started to research growing seawater rice in 2016. Their experiment succeeded in 2017.

Yuan once said he had two dreams. One was to enjoy the shade under rice crops that were taller than men. The other was that hybrid rice would be grown all over the world. I think his dreams might come true one day.

1. Yuan Longping helped people solve the food problem by ________.
A.developing the hybrid rice with his team
B.borrowing enough food from other countries
C.discovering another kind of food to eat
D.asking people to grow more rice in their fields
2. Which of the following is NOT true about hybrid rice?
A.It is grown in over half of China’s rice fields.
B.It is grown all over the world at present.
C.Its yield is much higher than that of normal rice.
D.It can help people solve food problems.
3. In one growing season, what was the yield of hybrid rice in 2020?
A.300 kg per mu.B.500 kg per mu.
C.750 kg per mu.D.1,500 kg per mu.
【知识点】 说明文 科学家

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共计 平均难度:一般