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  3. Favorable environments do not necessarily lead to the occurrence of plant cultivation. South China is warmer and moister than No

Favorable environments do not necessarily lead to the occurrence of plant cultivation. South China is warmer and moister than No

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问题     Favorable environments do not necessarily lead to the occurrence of plant cultivation. South China is warmer and moister than North China and the Yangtze Basin, with wild rice and highly abundant natural resources. Yet archaeological data indicate that cereal cultivation did not occur in this region until approximately 7,000 to 6,500 years ago. This cultivation was likely a result of cultural contact with and expansion from the Yangtze Basin. Clearly, environmental factors were important for the occurrence of cultivation in China, but were not the absolute determining factors. While incipient cultivation might occur in areas of relatively abundant resources, it may not occur in areas of very abundant resources, such as South China, where foraging might be a more efficient way of life.
Which of the following can be inferred from the passage about plant cultivation in the Yangtze Basin?
选项 A、It occurred in spite of an unfavorable climate.
B、It occurred prior to 6,500 years ago.
C、It occurred somewhat later than it occurred in North China.
D、It occurred largely because of the abundance of wild rice in the region.
E、It occurred as a result of cultural contact with South China.
答案B
解析 根据第三句“南方的耕种直到6500年前才出现”以及中国南方和长江盆地之间的对比，可知长江盆地的种植起源于6500年以前。A项干扰选项，尽管第一句说“适宜的环境不见得导致植物种植”，但是这也不意味着不好的环境可以导致种植，选项A太极端。C项本文中北方和长江是放到一起说的，没有比较这两者谁先谁后。D项文中未提及。E项南方的种植是因为和长江的交流，而非长江的种植源于和南方的交流。
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