CET4 阅读分析
1990-CET4-06-02
1990
年
6
月
Science & Nature
难度画像
阅读训练指标
词数
307
句数
18
平均句长
17.06
词汇难度
2.02
CET4 覆盖
94.5%
CET6 覆盖
0.7%
超纲词
4.9%
复杂句
47.1%
文章摘要
适合搜索和复盘的公开信息
1990-CET4-06-02 的 CET4 阅读分析摘要，主题为 Science & Nature，约 307 词，包含词汇覆盖率、复杂句比例、平均句长和备考精读信号。
分析自己的阅读文章Text Preview
原文短预览
Computers may one day turn night into day with good old, natural sunlight. Colossal computer-controlled mirrors, thousands of feet across, may one day orbit the earth, reflecting sunlight onto a darkened United States. Some Scientists say that 16 of these mirrors, each about a half mile across, could aim their reflected light at one area on the earth that was about 200 miles by 300 miles. That much light would equal ...
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