CET4 阅读分析
2002-CET4-06-03
2002
年
6
月
Environment
难度画像
阅读训练指标
词数
280
句数
10
平均句长
28.00
词汇难度
2.04
CET4 覆盖
93.2%
CET6 覆盖
0.4%
超纲词
6.4%
复杂句
60.0%
文章摘要
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2002-CET4-06-03 的 CET4 阅读分析摘要，主题为 Environment，约 280 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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It is hard to track the blue whale, the ocean s largest creature, which has almost been killed off by commercial whaling and is now listed as an endangered species. Attaching radio devices to it is difficult, and visual sightings are too unreliable to give real insight into its behavior. So biologists were delighted early this year when, with the help of the Navy, they were able to track a particular blue whale for 4...
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