心理现象是大脑功能活动的体现，与成人相比，儿童大脑内神经元的轴突密度（ ）。

(单选题)What does the example about the physicians illustrate? (单选题)What does the author say about people making decisions? (单选题)How should parents encourage their children to read more? (单选题)Why do many parents limit electronic reading? (单选题)Where can you find the data that best supports “children are (单选题)What is the Common Sense Media report probably about? (单选题)What can you learn from the passage? (单选题)Who wants Meiyu to come back home after her graduation in Ju (单选题)Why does Meiyu spend her free time on kung fu training with (单选题)What’s probably the meaning of the word “opportunities” in t