CET4 阅读分析
1991-CET4-06-04
1991
年
6
月
Economy & Work
难度画像
阅读训练指标
词数
297
句数
18
平均句长
16.50
词汇难度
2.11
CET4 覆盖
88.9%
CET6 覆盖
0.7%
超纲词
10.4%
复杂句
11.8%
文章摘要
适合搜索和复盘的公开信息
1991-CET4-06-04 的 CET4 阅读分析摘要，主题为 Economy & Work，约 297 词，包含词汇覆盖率、复杂句比例、平均句长和备考精读信号。
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原文短预览
A raped means of long-distance transportation became a necessity for the United States as settlement spread ever farther westward. The early trains were impractical curiosities, and for a long time the railroad companies met with troublesome mechanical problems. The most serious ones were the construction of rails able to bear the load, and the development of a safe, effective stopping system. Once these were solved,...
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