2. 外语
  3. The solution to the world’s food problems depends on ______. The tone of the story shows the author believes the problem is ___

The solution to the world’s food problems depends on ______. The tone of the story shows the author believes the problem is ___

admin2009-04-23  70
问题 The solution to the world’s food problems depends on ______.
The tone of the story shows the author believes the problem is ______.
选项 A、difficult to solve, perhaps impossible
B、difficult to solve but not impossible
C、impossible to solve
D、beyond the question
答案A
解析 见原文最后一句：看似明显的解决方法可能很难，甚至不可能实现。
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大学英语六级

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