平流层中的食物 – 1级
14-07-2023 15:00
有一群人。他们想把一块假糕点送上平流层。
他们使用一个大气球。气球里充满了气体。它带着糕点升空。它的高度达到29000英尺（8839米）。气球上还有一个摄像头。它可以拍摄有趣的视频。
两个小时后，热气球开始下降。人们发现了它。
t=”_blank” rel=”noopener”>平流层（大气层的一部分）。
您可以在3级部分观看原始视频。
 ；
该小组可以使用什么方法确保他们再次找到气球和糕点？
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.