题型分类:否定事实信息题
原文定位:根据 clay envelopes 定位到第二段第三句 To keep batches of tokens together, an innovation was introduced (circa 3250 B.C.E.) whereby they were sealed inside clay envelopes that could be broken open and counted when it came time for a debt to be repaid.泥信封为了存放代币,一段时间被打碎,数代币。
选项分析:
B选项错误,打碎后不能重复使用。
A选项正确,对应原文 To keep batches of tokens together, an innovation was introduced (circa 3250 B.C.E.) whereby they were sealed inside clay envelopes…
C选项正确,对应原文 two-dimensional representations of the three-dimensional tokens were impressed into the surface of the envelopes。
D选项正确,对应原文… when it came time for a debt to be repaid。
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