CET6 阅读分析
2001-CET6-01-01
2001
年
1
月
Science & Nature
难度画像
阅读训练指标
词数
382
句数
19
平均句长
20.11
词汇难度
2.07
CET4 覆盖
93.2%
CET6 覆盖
3.1%
超纲词
3.7%
复杂句
33.3%
文章摘要
适合搜索和复盘的公开信息
2001-CET6-01-01 的 CET6 阅读分析摘要,主题为 Science & Nature,约 382 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
Birds that are literally half asleep with one brain hemisphere alert and the other sleeping control which side of the brain remains awake, according to a new study of sleeping ducks. Earlier studies have documented half brain sleep in a wide range of birds. The brain hemispheres take turns sinking into the sleep stage characterized by slow brain waves. The eye controlled by the sleeping hemisphere keeps shut, while t...
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