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来源：网络资源 2023-03-31 20:14:14
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Yuan Longping, “the father of hybrid rice(杂交水稻)”, is one of the most important agricultural scientists. He had spent his whole life on hybrid rice.
Food was a big problem in China in the past. It was because China had 22% of the world’s population, but only 7% of its farmland. In the 1960s, China had serious hunger. Millions of people died because they had no food. Professor Yuan was very sad to see this. “How can I help people have enough food?” he thought. He decided to work on a new kind of hybrid rice that had a high output(产量). He and his team studied the rice seeds(种子)day and night. At last, in 1973, they grew a new kind of hybrid rice. This rice is strong. Farmers can grow it in many different kinds of farmland and also in bad weather. It can also fight diseases. Its output is much higher than common kinds of rice.
Professor Yuan has already left us, but he will be remembered forever.
10.What had Yuan Longping spent his whole life on?______
A.Population.
B.Weather.
C.Hybrid rice.
11.What made millions of people die in the 1960s?______
A.No food.
B.Serious diseases.
C.No seeds.
12.When did they grow a new kind of hybrid rice?______
A.In 1960.
B.In 1973.
C.In 2020.
13.Which of the following is TRUE about hybrid rice?______
A.Its output is much higher.
B.It is not strong enough.
C.It can’t grow in bad weather.
答案与解析
10.C
11.A
12.B
13.A
10.细节理解题。根据“He had spent his whole life on hybrid rice.”可知，他一生都在研究杂交水稻。故选C。
11.细节理解题。根据“In the 1960s, China had serious hunger.”可知，在20世纪60年代，中国经历了严重的饥荒。故选A。
12.细节理解题。根据“At last, in 1973, they grew a new kind of hybrid rice.”可知，在1973年，他们种植了一种新的杂交水稻。故选B。
13.推理判断题。根据“Farmers can grow it in many different kinds of farmland and also in bad weather. It can also fight diseases. Its output is much higher than common kinds of rice.”可知，农民可以在许多不同种类的农田和恶劣的天气中种植它，它还可以对抗疾病，它的产量远远高于普通品种的大米。故选A。
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