A nobody eats it B they are very nourishing C its yield is high D it has remained a controversial issue E raw potatoes can decay

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问题 A nobody eats it
B they are very nourishing
C its yield is high
D it has remained a controversial issue
E raw potatoes can decay easily during transit
F they are rising rapidly
The whole world is concerned about food prices because______.

选项

答案F

解析 句意:全世界都很关心粮食价格,因为它们的价格上涨太快。第一段讲到“As foodprices continue to rise rapidly,there is growing concern about the effect it will have among theworld’s poor”,据此可知选F。
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