I would have to say parentheses, since its not restricted.
Answer:
From elementary school through high school, Chinese students are not allowed to use calculators. Chinese education focuses on strictness and precision, which improves retention. American education focuses on improving student assuredness, self-determination, and independence, which aids in comprehensive thinking.
Hi , the answer is A , a biography is a true story.
The Great Wall is over 13,000 miles long.
It conveys a factual tone.
