数字保健–1 级
23-10-2024 15:00
一些美国人每天看屏幕超过 8 小时。许多人每晚睡眠不足 8 小时。不幸的是，屏幕时间会伤害眼睛和大脑。
儿童在 COVID 期间看屏幕的时间更长。一些专家说，屏幕时间会伤害他们的大脑。这部分大脑用于批判性思维和推理。
屏幕也不利于他们的睡眠。睡眠对他们的大脑发育非常重要。屏幕会发出蓝光。蓝光会告诉他们的大脑等待入睡。屏幕还会让孩子们感觉更清醒。
您可以在三级部分观看原始视频。
根据课文内容，长时间使用屏幕对儿童的睡眠和大脑发育有什么影响？
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
- Listen to the news from today and read the text at the same time.
- 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.