TASK1 medium

学生睡眠时间与学习成绩的关系

The table below shows the average hours of sleep per night and the corresponding average academic scores for high school students in four different countries. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. *图表描述*： | 国家 | 平均睡眠时间（小时/晚） | 平均学业成绩（满分100） | |------|------------------------|--------------------------| | A | 6.5 | 75 | | B | 7.0 | 82 | | C | 8.0 | 88 | | D | 5.5 | 68 |