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Ⅳ. 阅读短文，回答下列问题。
Do potatoes play a small role（角色）on your dinner table? Maybe it's time to make a big change! Potatoes have become China's fourth staple food（主食）after rice, wheat and corn. Using potatoes as a staple can make us healthier. They do good to us in many ways.
Potatoes are nutritious（有营养的）. They are rich in Vitamin C. As we all know, Vitamin C can help people keep strong. The Vitamin C in a potato is as rich as that in four oranges. Potatoes are also low in calories（卡路里）—they don't have as many calories as wheat and corn have, but they have high-quality protein（蛋白质）.
Also, potatoes are easy to grow. People can plant potatoes in almost every part of China. They don't need much water to grow.
Many Chinese people think potatoes are vegetables. They cook potatoes along with other things, and the dishes made with potatoes are really delicious. In order to make more people fall in love with potatoes, scientists try to make noodles and other staple foods from potatoes, just as we use rice or wheat. Would you like to try potato noodles?
Potatoes have many good points, but it doesn't mean we can eat them every day. No matter how good the food is, we should eat it in the right way. Then we'll look good and healthy.
1. What nutrition（营养）are potatoes rich in?
2. Are potatoes high in calories?
3. Where can people plant potatoes in China?
4. How do scientists make potatoes popular among more people?
5. Would you like to eat more potatoes in the future? Why or why not?
Do potatoes play a small role（角色）on your dinner table? Maybe it's time to make a big change! Potatoes have become China's fourth staple food（主食）after rice, wheat and corn. Using potatoes as a staple can make us healthier. They do good to us in many ways.
Potatoes are nutritious（有营养的）. They are rich in Vitamin C. As we all know, Vitamin C can help people keep strong. The Vitamin C in a potato is as rich as that in four oranges. Potatoes are also low in calories（卡路里）—they don't have as many calories as wheat and corn have, but they have high-quality protein（蛋白质）.
Also, potatoes are easy to grow. People can plant potatoes in almost every part of China. They don't need much water to grow.
Many Chinese people think potatoes are vegetables. They cook potatoes along with other things, and the dishes made with potatoes are really delicious. In order to make more people fall in love with potatoes, scientists try to make noodles and other staple foods from potatoes, just as we use rice or wheat. Would you like to try potato noodles?
Potatoes have many good points, but it doesn't mean we can eat them every day. No matter how good the food is, we should eat it in the right way. Then we'll look good and healthy.
1. What nutrition（营养）are potatoes rich in?
They are rich in Vitamin C.
2. Are potatoes high in calories?
No, they aren't.
3. Where can people plant potatoes in China?
In almost every part of China.
4. How do scientists make potatoes popular among more people?
They try to make noodles and other staple food with potatoes, just like how we use rice or wheat.
5. Would you like to eat more potatoes in the future? Why or why not?
Yes, I do. Because they are rich in Vitamin C and low in calories. And if we eat them in a right way, we will look good and healthy.（开放性试题，答案不唯一）
答案
1. They are rich in Vitamin C.
2. No, they aren't.
3. In almost every part of China.
4. They try to make noodles and other staple food with potatoes, just like how we use rice or wheat.
5. Yes, I do. Because they are rich in Vitamin C and low in calories. And if we eat them in a right way, we will look good and healthy.（开放性试题，答案不唯一）
2. No, they aren't.
3. In almost every part of China.
4. They try to make noodles and other staple food with potatoes, just like how we use rice or wheat.
5. Yes, I do. Because they are rich in Vitamin C and low in calories. And if we eat them in a right way, we will look good and healthy.（开放性试题，答案不唯一）
解析
【分析】本题为英语阅读理解题，解题思路为：先通读短文理解主旨，再针对每个问题，定位原文对应段落的关键信息，提取匹配问题的内容；开放性问题结合短文提及的土豆优点及合理食用的益处作答即可。
【解析】1. 定位原文第二段第二句，可知土豆富含维生素C，对应答案为They are rich in Vitamin C；2. 定位原文第二段“potatoes are also low in calories”，可知土豆卡路里低，故答案为No, they aren't；3. 定位原文第三段“People can plant potatoes in almost every part of China”，对应答案为In almost every part of China；4. 定位原文第四段“scientists try to make noodles and other staple foods from potatoes, just as we use rice or wheat”，整理后为They try to make noodles and other staple food with potatoes, just like how we use rice or wheat；5. 本题为开放性试题，结合短文提到的土豆的优点（富含维C、低卡路里等）及正确食用的益处作答，示例答案如给定内容。
【答案】1. They are rich in Vitamin C.
2. No, they aren't.
3. In almost every part of China.
4. They try to make noodles and other staple food with potatoes, just like how we use rice or wheat.
5. Yes, I do. Because they are rich in Vitamin C and low in calories. And if we eat them in a right way, we will look good and healthy.（开放性试题，答案不唯一）
【知识点】英语阅读理解、细节理解题、开放性试题
【点评】本题考查学生的英语阅读信息定位能力与语言表达能力，细节题答案可直接从原文提取，开放性问题需结合短文内容合理发挥，整体难度适中。
【难度系数】0.6
【解析】1. 定位原文第二段第二句，可知土豆富含维生素C，对应答案为They are rich in Vitamin C；2. 定位原文第二段“potatoes are also low in calories”，可知土豆卡路里低，故答案为No, they aren't；3. 定位原文第三段“People can plant potatoes in almost every part of China”，对应答案为In almost every part of China；4. 定位原文第四段“scientists try to make noodles and other staple foods from potatoes, just as we use rice or wheat”，整理后为They try to make noodles and other staple food with potatoes, just like how we use rice or wheat；5. 本题为开放性试题，结合短文提到的土豆的优点（富含维C、低卡路里等）及正确食用的益处作答，示例答案如给定内容。
【答案】1. They are rich in Vitamin C.
2. No, they aren't.
3. In almost every part of China.
4. They try to make noodles and other staple food with potatoes, just like how we use rice or wheat.
5. Yes, I do. Because they are rich in Vitamin C and low in calories. And if we eat them in a right way, we will look good and healthy.（开放性试题，答案不唯一）
【知识点】英语阅读理解、细节理解题、开放性试题
【点评】本题考查学生的英语阅读信息定位能力与语言表达能力，细节题答案可直接从原文提取，开放性问题需结合短文内容合理发挥，整体难度适中。
【难度系数】0.6
