数字健康 – 2 级
23-10-2024 15:00
一些美国人每天看智能手机和电脑或电视等其他屏幕的时间超过8小时。许多人每晚睡眠不足 8 小时。不幸的是，屏幕时间会让您的眼睛和大脑疲劳或受伤。
由于 COVID，儿童的屏幕时间越来越长。一些研究表明，过多的屏幕时间会降低他们的语言和思维测试成绩，并使大脑皮层变薄。大脑皮层是人们解决问题或进行争论的地方。
屏幕也不利于他们的睡眠，而睡眠对大脑的成长非常重要。屏幕发出的蓝光会告诉大脑推迟睡眠。蓝光会让孩子们在本该睡觉的夜晚保持更高的警觉性。
您可以在三级部分观看原始视频。
根据课文内容，COVID 导致的屏幕时间增加会对儿童的大脑发育和睡眠模式产生什么潜在影响？
LEARN 3000 WORDS with CHINESE IN LEVELS
Chinese in Levels is designed to teach you 3000 words in Chinese. Please follow the instructions
below.
How to improve your Chinese with Chinese in Levels:
Reading
- Read two news articles every day.
- Read the news articles from the day before and check if you remember all new words.
Listening
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- Listen to the news from today without reading the text.
Writing
- Answer the question under today’s news and write the answer in the comments.