托福考试

根据网考网考试中心的统计分析，以下试题在2018/10/10日托福考试习题练习中，答错率较高，为：81%
【单选题】 According to the passage, by the year 3000 B.C. the Sumerians had already done all of the following EXCEPT:
A．They had abandoned the area north of the Persian Gul
B．They had established themselves in citie
C．They had started to communicate through
D．They had created bronze tools and weapon

网考网参考答案：A，答错率：81%
网考网试题解析：
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