[DeepL Translation - needs review] Introduction to Volume 1: [Caution] *Please note that some parts may be difficult to read depending on your device. We recommend that you check the standing file on your device.
Develop a lifetime of intelligence in just two minutes every day!
What was the first word Helen Keller understood?
Cervantes' most famous work is Quixote?"
Where is the world's coldest place on average?
What does QR code stand for?
--There are plenty of educational quizzes ...
