根据学习的定义，以下哪个情景最清晰地体现了“学习”的发生？According to the definition of learning, which scenario most clearly demonstrates the occurrence of "learning"?
一个人喝咖啡后感到精神振奋。A person feels energized after drinking coffee.
一个婴儿随着年龄增长自然学会走路。A baby learns to walk naturally as they grow older.
一个人因为多次被狗惊吓，现在看到狗就感到害怕。A person is now afraid of dogs after being startled by them multiple times.
一个人因为疲劳而暂时无法集中注意力。A person is temporarily unable to concentrate due to fatigue.
以下哪些是动作技能学习的典型特点？(选择所有正确选项)Which of the following are typical characteristics of motor skill learning? (Select all that apply)
意识对动作的控制作用增强。Conscious control over movements increases.
整个动作系统趋向自动化。The entire motor system tends towards automation.
动作反馈由外反馈逐渐转向内反馈。Feedback shifts from external to internal sources.
动作的稳定性与灵活性减弱。The stability and flexibility of movements decrease.
在学习的“高原期”，学习成绩会暂时停滞甚至下降，这通常意味着学习者已经达到了其能力的极限During plateau, performance temporarily stagnates or declines, means the learner reached the limit of their ability
关于“认知学习”的特点，以下描述主要体现了哪一个？Regarding the characteristics of “cognitive learning”, which of the following descriptions best illustrates one of them?
在练习投篮时，从不标准到标准，动作逐渐自动化。
学习物理时，从理解牛顿三定律，到能够解决复杂的动力学问题。
通过反复弹奏练习曲，手指的速度和准确性得到提升。
情绪状态好时，掌握新舞蹈动作的速度更快。
为了提高学习效率，以下哪些方法是科学有效的？(选择所有正确选项)To improve learning efficiency, which of the following methods are scientifically effective? (Select all that apply)
采用“集中学习法”，在考试前一天通宵复习所有内容。
在初步掌握知识后，继续进行额外的“过度学习overlearning”。
学习过程中有意识地反思：“我用的方法有效吗？”
将学习时间分散在几天内，而不是一次性学完。