Question

    Do potatoes play a small role on your dinner table？If so，get ready for a_big_change!

Potatoes are becoming China's fourth staple food(主食)after rice，wheat and corn.Using potatoes as a staple can make our diets healthier and more balanced(均衡的)．They are good for us in many ways.

Potatoes are nutritious(有营养的)．They are rich in vitamin C．A potato's vitamin C is as rich as 10 apples. Potatoes are also low in calories(卡路里)—they have just 75 percent of the amount of calories that wheat and corn have.

Also，potatoes are easy to grow. People can grow them in almost every part of China. Potatoes don't need much water to grow. China is facing water shortage(不足)problems，so potatoes are a good choice.

Many Chinese people think potatoes are like vegetables. They cook potatoes along with other ingredients(原料)．But as a staple, potatoes can be cooked differently. Scientists have found ways to make potato flour，noodles and other staple foods，just like how we use rice or wheat.

1.What does the phrase “a_big_change” in Paragraph 1 mean?

A.Potatoes play a small role on the dinner table. B.Potatoes will be eaten more often.

C.People will stop eating potatoes. D.There will be many new kinds of potatoes.

2.Which of the following plants is China's fourth staple food?

A. B. C. D.

3.Why are potatoes better than other staple foods?

A.Because they are low in vitamin C.

B.Because they do not have very many calories.

C.Because they are heavier than other staple foods.

D.Because they can make people feel full more easily.

4.Paragraph 4 mainly tells us that ______.

A.potatoes can be grown all over the country B.potatoes do not need much water

C.China doesn't have much water D.potatoes are easy to grow

5.What have scientists tried to do?

A.Make potatoes taste like real vegetables. B.Use potatoes to cook new dishes.

C.Use potatoes to create staples like noodles and flour. D.Cook potatoes along with rice and wheat.

Answer

1.B

2.C

3.B

4.D

5.C

【解析】

本文讲述了土豆。土豆继大米、小麦和玉米之后，正在成为第四主食。使用土豆作为主食可以使我们的饮食更健康，更平衡的。土豆在很多方面都对我们有好处，土豆是有营养的，它们富含维生素C；土豆也是低热量，土豆很容易种植。作为主食，土豆可以用不同的方式烹饪。科学家已经找到了制作马铃薯面粉、面条和其他主食的方法。

1.词句猜测题。根据“Potatoes are becoming China's fourth staple food(主食)after rice，wheat and corn”在大米、小麦和玉米之后，土豆正在成为中国第四主食。故选B。

2.细节理解题。根据第一幅图是大米，第二幅图是西红柿，第三幅图是土豆，第四幅图是玉米，故选C。

3.细节理解题。根据“Potatoes are also low in calories(卡路里)—they have just 75 percent of the amount of calories that wheat and corn have.”土豆也是低热量，比小麦和玉米少，故选B。

4.细节理解题。根据“Also，potatoes are easy to grow… Potatoes don't need much water to grow”土豆很容易种植。不需要太多的水来生长，故选D。

5.推理判断题。根据“Scientists have found ways to make potato flour，noodles and other staple foods，just like how we use rice or wheat.”科学家已经找到了制作马铃薯面粉、面条和其他主食的方法，就像我们使用大米或小麦一样。所以此处是用土豆做主食，比如面条和面粉。故选C。