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Friday, September 4, 2026 · 595 words · 6 minutes · 0 reads · Intermediate
Article details
This graded Chinese reading practice article combines authentic reading with optional pinyin, translation, audio, vocabulary, and comprehension practice.
- Author
- HSK Read
- Published
- Friday, September 4, 2026
- Updated
- Sunday, September 20, 2026
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Reading questions and answers
According to the article, why do canned tennis balls need sealed cans?
To prevent the air inside from escaping.
According to the article, what is the approximate air pressure inside a tennis ball?
27 to 29 pounds per square inch.
According to the article, what happens after opening the sealed can?
The air pressure inside the balls decreases.


