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托福阅读：农业起源

2016-04-25 17:12:35来源：网络

　　P3: Climatic changes at the end of the glacial period 13,000 years ago have been proposed to account for the emergence of farming. The temperature increased dramatically in a short period of time (years rather than centuries), allowing for a growth of the hunting-gathering population due to the abundance of resources. There were, however, fluctuations in the climatic conditions, with the consequences that wet conditions were followed by dry ones, so that the availability of plants and animals oscillated brusquely.

　　******

　　glacial

　　adj. 冰的

　　emergence

　　n. 出现

　　dramatically

　　adv. 戏剧性地

　　fluctuation

　　n. 波动

　　oscillate

　　v. 摆动

　　brusquely

　　adj. 唐突地

　　The temperature increased dramatically in a short period of time (years rather than centuries), allowing for a growth of the hunting-gathering population due to the abundance of resources.

　　短时期内(以年而不是以世纪为单位)温度急剧上升使得食物资源丰富，采集狩猎者人口增加。

　　There were, however, fluctuations in the climatic conditions, with the consequences [that wet conditions were followed by dry ones], [so that the availability of plants and animals oscillated brusquely].

　　但是，气候条件存在波动，造成干湿交替，以致可以获取的动植物数量忽高忽低。

　　测试篇

　　P1 提出问题：农业为什么发展

　　从狩猎和采集转变为农耕并没有显而易见的好处:

　　(1) _____________________________________

　　(2) _____________________________________

　　(3) _____________________________________

　　P2 农业发展的原因1: _____________

　　P3 农业发展的原因2: _____________

　　气候条件存在波动，造成_____________

　　Answers：

　　P1：it forced the population to abandon the nomad's life and become sedentary;when the resources were exhausted, this became more difficult with farming ;the state of health of agriculturalists was worse than that of their contemporary hunter-gatherers

　　P2：Worldwide population crisis

　　P3：Climatic changes，availability of plants and animals oscillated brusquely

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