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  • 更新 2022-09-04
  • 科目 英语
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  • 难度 中等
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Yuan Longping, a great scientist,is the first person to develop a kind of hybrid rice(杂交水稻) which helps fight hunger in China.

Food was a big problem in China in the past. This was because China had 22 percent of the world's population, but only 7 percent of its farmland.In the 1960s, China suffered (遭受)serious hunger.Millions of people died because they had no food.As an agronomy (农学) teacher.Yuan was very sad to see this. "How can I help them have enough food?" he thought.He decided to work on a kind of hybrid rice.It has a high output (产量).

At that time, other scientists didn't think hybrid rice was worth studying. But Yuan and his team worked on it every day. They took very good care of their rice seeds.

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 disease. Its output was much greater than common kinds of rice. With the new kind, about 70,000,000 people could have food every year!

Yuan solved the food problem in China.But he is still working on rice.Before he retires (退休),he hopes to grow rice in the sea!

根据短文内容,选择最佳答案.

(1)Why was food a big problem in China in the past?   

A.

Because farmers didn't grow rice.

B.

Because farmers didn't have rice seeds.

C.

Because China had no money to buy plenty of food.

D.

Because China had a large population but a little farmland.

(2)How did Yuan Longping help people have enough food?   

A.

He discovered another kind of food.

B.

He borrowed enough food from other countries.

C.

He developed a kind of hybrid rice with his team.

D.

He started being an agronomy teacher to study rice.

(3)Which of the following is NOT mentioned about the new kind of hybrid rice?   

A.

It is able to fight disease.

B.

It is grown across the world.

C.

Its output is much higher.

D.

It can be grown in different farmland.

(4)Yuan Longping wishes to   before he retires.

A.

grow rice in the sea

B.

have a good rest

C.

keep several pet cats

D.

help people in Africa

(5)What does this passage mainly talk about?   

A.

The new kind of hybrid rice is worth studying.

B.

The new kind of hybrid rice was invented in China.

C.

Yuan Longping grew the new kind of hybrid rice for many years.

D.

Yuan Longping has played an important role in solving China's food problem.

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