托福阅读修辞目的题是阅读考试中比较常见的一种题型，tpo则是托福阅读备考最权威的材料，所以托福小编综合二者，为大家集中整理了tpo阅读中考察的修辞目的题及其对应的解析，供大家参考使用。本文带来的是TPO33-1的修辞目的题，一起来看看吧。
TPO33-1 The First Civilizations
【2】The exact time andplace that crops were first cultivated successfully is uncertain. Manyprehistorians believe that farming may have emerged in dependently in severaldifferent areas of the world when small communities, driven by increasingpopulation and a decline in available food resources, began to plant seeds inthe ground in an effort to guarantee their survival. The first farmers, who mayhave lived as long as 10,000 years ago, undoubtedly used simple techniques and still reliedprimarily on other forms of food production, such as hunting, foraging, orpastoralism. The real breakthrough took place when farmers began to cultivatecrops along the floodplains of river systems. The advantage was that cropsgrown in such areas were not as dependent on rainfall and therefore produced amore reliable harvest. An additional benefit was that the sediment carried bythe river waters deposited nutrients in the soil, thus enabling the farmer tocultivate a single plot of ground for many years without moving to a newlocation. Thus, the first truly sedentary (that is, nonmigratory) societieswere born. As time went on, such communities gradually learned how to directthe flow of water to enhance theproductive capacity of the land, while the introduction of the iron ploweventually led to the cultivation of heavy soils not previously susceptible toagriculture.
4. According to paragraph 2, what are TWO reasons why farmers chose rivervalleys
for cultivation? To receive credit you must select TWO answer choices.
A) The soils in river valleys were rich in nutrients.
B) The crops grown in river valleys were not completely dependent onrainwater.
C) Farming techniques could not be easily applied to soils far fromrivers.
D) The heavier weight of river soil resulted in more reliable harvests.
4. 答案 AB
解析:定位句The advantage wasthat crops grown in such areas were not as dependent on rainfall and therefore produced a more reliable harvest. An additional benefit was that the sediment carried by the river watersdeposited nutrients in the soil, thus enabling the farmer to cultivate a single plotof ground for many years without moving to a new location. 里面提到了not as dependent on rainfall, 不太依赖于降雨, 对应B选项: 不完全依赖降水。同时也提到了depositednutrients in the soil, 在土壤中沉淀营养, 对应A选项,土壤营养丰富。
段落翻译：
农作物首次被成功种植的确切时间和地点还无法确定。许多史前学家确信当一些受持续增长的人口和一定数量的食物来源衰退所困扰的小群体开始为了能保证他们的生存而在土地中种植种子时，耕种已经在世界上一些不同地区独立出现了。第一批大约是生活在10，000万年的农民，虽然还是主要依靠一些其它例如打猎、觅食或田园主义等形式的食物供给，但毫无疑问，他们已开始使用一些简单的技术。真正的突破是当农民开始沿着河流体系泛滥的平原耕种农作物开始的。这样做的优势是在这样的地区种植的农作物不需要依靠降雨，因此丰收也就更加有保证。另外，由河水沉积而来的沉淀物给土壤带来营养，从而使得农民能够很多年种植同一块土地而不需要搬到新的地点。因此，第一批定栖的，没有迁移的社会就产生了。随着时间的推移，在铁犁的引进最终使得农业不再像以前一样容易受到坚硬土地的耕种的影响的同时，这些群体也逐渐学会了如何通过控制水流量来提高土地的产量。
以上就是托福阅读TPO33-1中的修辞目的题及其解析，大家可以在备考的时候参考复习，希望能够帮助大家的考前准备。最后前程百利祝大家都能取得理想的托福考试成绩。
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