太空电梯 – 2 层
除第一句话外,建造太空电梯面临哪些挑战,有哪些材料可能克服这些挑战?
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.