Official 20 Passage 2


Early Settlements in Southwest Asia


Paragraph 4 suggests that the people of Abu Hureyra abandoned their long-established settlement because

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  • A
    the inhabitants had cleared all the trees from the forests
  • B
    wild cereal grasses took over pistachio and oak forests
  • C
    people wanted to explore new areas
  • D
    lack of rain caused food shortages
正确答案: D

我的笔记 编辑笔记

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  • The universal global warming at the end of the Ice Age had dramatic effects on temperate regions of Asia, Europe, and North America. Ice sheets retreated and sea levels rose. The climatic changes in southwestern Asia were more subtle, in that they involved shifts in mountain snow lines, rainfall patterns, and vegetation cover. However, these same cycles of change had momentous impacts on the sparse human populations of the region. At the end of the Ice Age, no more than a few thousand foragers lived along the eastern Mediterranean coast, in the Jordan and Euphrates valleys. Within 2,000 years, the human population of the region numbered in the tens of thousands, all as a result of village life and farming. Thanks to new environmental and archaeological discoveries, we now know something about this remarkable change in local life.

    Pollen samples from freshwater lakes in Syria and elsewhere tell us forest cover expanded rapidly at the end of the Ice Age, for the southwestern Asian climate was still cooler and considerably wetter than today. Many areas were richer in animal and plant species than they are now, making them highly favorable for human occupation. About 9000 B.C., most human settlements lay in the area along the Mediterranean coast and in the Zagros Mountains of Iran and their foothills. Some local areas, like the Jordan River valley, the middle Euphrates valley, and some Zagros valleys, were more densely populated than elsewhere. Here more sedentary and more complex societies flourished. These people exploited the landscape intensively, foraging on hill slopes for wild cereal grasses and nuts, while hunting gazellea small, swiftly running desert animal and other game on grassy lowlands and in river valleys. Their settlements contain exotic objects such as seashells, stone bowls, and artifacts made of obsidian (volcanic glass), all traded from afar. This considerable volume of intercommunity exchange brought a degree of social complexity in its wake.

    Thanks to extremely fine-grained excavation and extensive use of flotation methods (through which seeds are recovered from soil samples), we know a great deal about the foraging practices of the inhabitants of Abu Hureyra in Syria's Euphrates valley. Abu Hureyra was founded about 9500 B.C. a small village settlement of cramped pit dwellings (houses dug partially in the soil) with reed roofs supported by wooden uprights. For the next 1,500 years, its inhabitants enjoyed a somewhat warmer and damper climate than today, living in a well-wooded steppe area where wild cereal grasses were abundant. They subsisted off spring migrations of Persian gazelles from the south. With such a favorable location, about 300 to 400 people lived in a sizable, permanent settlement. They were no longer a series of small bands but lived in a large community with more elaborate social organization, probably grouped into clans of people of common descent.

    The flotation samples from the excavations allowed botanists to study shifts in plant-collecting habits as if they were looking through a telescope at a changing landscape. Hundreds of tiny plant remains show how the inhabitants exploited nut harvests in nearby pistachio and oak forests. However, as the climate dried up, the forests retreated from the vicinity of the settlement. The inhabitants turned to wild cereal grasses instead, collecting them by the thousands, while the percentage of nuts in the diet fell. By 8200 B.C., drought conditions were so severe that the people abandoned their long-established settlement, perhaps dispersing into smaller camps.

    Five centuries later, about 7700B.C., a new village rose on the mound. At first the inhabitants still hunted gazelle intensively. Then, about 7000 B.C., within the space of a few generations, they switched abruptly to herding domesticated goats and sheep and to growing einkorn, pulses, and other cereal grasses. Abu Hureyra grew rapidly until it covered nearly 30 acres. It was a close-knit community of rectangular, one-story mud-brick houses, joined by narrow lanes and courtyards, finally abandoned about 5000 B.C.. Many complex factors led to the adoption of the new economies, not only at Abu Hureyra, but at many other locations such as `Ain Ghazal, also in Syria, where goat toe bones showing the telltale marks of abrasion caused by foot tethering (binding) testify to early herding of domestic stock.

  • 冰河时代末期全球普遍升温,这对亚洲、欧洲和北美洲的温带地区产生了巨大的影响。 冰原后退,海平面上升。 亚洲西南部气候的变化则更加细微,因为涉及到山脉雪线、降水类型和植被覆盖的变化。 然而,这些相同的变化周期对该地区稀少的人口产生了重要的影响。 在冰河时代末期,地中海东部沿岸的约旦河和幼发拉底河流域仅生活着数千人。 随后的两千年内,农村生活和农业使该地区的人口数量变成了数以万计人。 正是由于在环境和考古学方面的新发现,我们才得以了解当地生活中发生的这种显著变化。

    来自叙利亚和其他地方的淡水湖的花粉样本向我们揭示出在冰河时代末期森林覆盖迅速增长,这是因为当时亚洲西南部的气候比现在要更凉爽,而且要湿润得多。 当时很多地区的动植物种类要比现在丰富,这就使得这些地区非常适宜人类居住。 大约在公元前9ooo年,大部分人类定居点都位于地中海沿岸以及伊朗的扎格罗斯山脉和丘陵地带。某些局部地区,例如约旦河谷、幼发拉底河谷中部以及某些扎格罗斯谷地的人口就比别的地方要更密集。 更加稳定、更为复杂的社会在这里兴旺发展起来。 这些人对该地貌进行高强度的开发,他们在山坡上采集野生的谷物和坚果,在长满青草的低地和河谷中捕捉瞪羚及其他猎物。 在他们的定居点发现了从远方交易获得的外来物品,例如贝壳、石碗和黑曜石(火山玻璃)制成的工艺品。 这种数量可观的社会间的交换随后给社会带来了一定的复杂度。

    极精细的挖掘和浮选法(可以从土壤样本中发现种子)的广泛使用使得我们对叙利亚境内的幼发拉底河流域阿布胡赖拉的居民的觅食习惯有了深入的了解。 阿布胡赖拉是建于公元前9500年的一座小村庄,村庄里都是狭小的洞穴房(房子的一部分是挖到地下的),芦苇做的屋顶是用木头柱子支撑的。 随后的1 500年,该地的居民享受着比我们现在略为温暖潮湿的气候,他们居住在树木繁茂的大草原,那里生长着大量的野生谷类植物。 他们喂养着从南部地区迁移过来的波斯瞪羚的后代。 在这个地理位置绝佳的地方,大约有300~ 400人居住在一个比较大的永久定居点。 他们不再是一系列的小型部落而是住在一起的大社区,拥有更复杂的社会组织,很有可能是按照共同祖先划分为不同的部族。

    从挖掘物中获取的浮选样本使得植物学家可以研究他们采集植物习性的变化,就像是通过望远镜观看变化的景致。 几百个小型植物残留物显示了这些居民是如何采集附近森林里的开心果和橡子的。 然而,随着气候变干燥,森林从定居点的附近向后退缩。 居民就转而采集大量的野生谷物,而坚果在饮食中所占的比例下降了。到公元前8200年的时候,干旱变得非常严重以至于人们放弃了他们的长久居住地,也许分散成小的群落了。

    五个世纪以后,大约是公元前7700年,高地上出现了一个新的村庄,最初那里的居民仍然集中于猎取瞪羚。 后来大约在公元前7000年,没过几代,这些居民就忽然转向饲养家养的山羊和绵羊,并种植单粒小麦、豆类及其它谷类植物。 阿布胡赖拉迅速壮大,最终扩张到了近30英亩。 它是一座结构紧凑的矩形村庄,单层的泥砖房屋与狭窄的小道和院子相连,这座村庄最终于公元前5000年被废弃。 有很多复杂的因素导致人们采用新的经济形式,这不只是发生在阿布胡赖拉,在其它很多地方例如在艾因加扎勒和叙利亚发现的山羊的趾骨上就有显示足部被栓(绑)造成的磨损的迹象,这就证明该地出现了早期的畜牧业。
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    原文定位abandoned long established settlement做关键词定位至最后一句,说干旱如此严重,使他们放弃了原来的住所,所以放弃的原因是因为lack of rain,正确答案是D