The central plains of China have been farmed continuously for thousands of years and you begin to wonder how they have stayed __________. ( 章节：1 难度：1)
- A、formal
- B、fertile
- C、incredible
- D、initial
正确答案:B
答案解析:有
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The central plains of China have been farmed continuously for thousands of years and you begin to wonder how they have stayed __________. ( 章节：1 难度：1)
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