原文（空格已标注，答案标注于下方括号内）：

Agriculture refers to the systematic cultivation of crops and the domestication of animals to produce food and other essential resources. This prac______ (practice) has sust______ (sustained) human soci______ (societies) for mill______ (millennia). Farmers emp______ (employ) various techn______ (techniques), such a__ (as) plowing a__ __ (and) irrigation t__ (to) manage la__ (land) effectively. Additionally, livestock including cattle, poultry, and sheep are raised for products like milk, meat, and wool. Agriculture remains a cornerstone of global food security and plays a vital role in supporting economies and communities worldwide.

逐空解析：

This prac______ → practice。 “This”后接名词，practice指“这一实践”，呼应首句的cultivation和domestication。

has sust______ → sustained。 现在完成时has sustained表示“持续支撑”，主语为单数practice。

human soci______ → societies。 复数名词，“人类社会”。

for mill______ → millennia。 for + 时间段，millennia意为“数千年”，注意拼写（双l双n）。

Farmers emp______ → employ。 一般现在时，主语为复数farmers，employ意为“采用”。

various techn______ → techniques。 复数名词，“技术”，注意拼写（que结尾）。

such a__ → as。 such as为固定搭配，“例如”。

plowing a__ __ irrigation → and。 plowing和irrigation为并列关系，用and连接。

t__ manage la__ → to, land。 不定式表目的，“为了管理土地”；land为不可数名词，“土地”。

参考译文：农业是指系统性地种植作物和驯养动物，以生产食物和其他必要资源。这一实践已支撑人类社会数千年。农民采用各种技术，如犁地和灌溉，来有效管理土地。此外，包括牛、家禽和羊在内的牲畜被饲养以获取奶、肉和羊毛等产品。

原文（空格已标注，答案标注于下方括号内）：

Using bone for the manufacture of tools and other objects has a long history. Many of the wea______ (weapons) that prehi______ (prehistoric) people us______ (used) for hun______ (hunting) were ma______ (made) from t______ (the) bones o______ (of) the ani______ (animals) they hun______ (hunted). The phys______ (physical) properties of these materials varied greatly. For example, the strength and flexibility of antler were important to the way these tools were utilized. Many early bone tools show distinctive signs of wear and polishing, revealing how they were handled and over time.

逐空解析：

Many of the wea______ → weapons。 复数名词，“武器”。

that prehi______ people → prehistoric。 形容词，“史前的”。

us______ for hun______ → used, hunting。 be used for doing sth.，used表“被使用”，hunting为动名词。

were ma______ → made。 be made from/of，“由…制成”。

from t______ bones → the。 定冠词，特指“他们所猎杀动物的骨头”。

o______ the ani______ → of, animals。 所有格结构“bones of the animals”。

they hun______ → hunted。 定语从句谓语，过去时，“他们所猎杀的”。

The phys______ properties → physical。 形容词，“物理的”。

参考译文：利用骨头制造工具和其他物品有着悠久的历史。史前人类用于狩猎的许多武器都是用他们所猎杀动物的骨头制成的。这些材料的物理特性差异很大。例如，鹿角的强度和柔韧性对这些工具的使用方式至关重要。许多早期骨器显示出明显的磨损和抛光痕迹，揭示了它们是如何被操作的以及随时间的变化。

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