Food is very important. Everyone needs to eat well if he or she wants to have a strong body. ⑴Our minds also need a kind of food. This kind of food is knowledge. We begin to get knowledge even we are very young. ⑵孩子们对周围的一切都感兴趣。They learn something when they are watching and listening. When they are getting older, they begin to read storybooks, science books and anything they like. ⑶When they find something new, they love to ask questions and try to find out the answers. ⑷获取知识的最佳方法是什么呢? If we learn by ourselves, we will get the most knowledge. If we are always getting answers from others and do not ask why, we will never learn well. ⑸If we study in the right way, we will learn more and understand better.

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    "Who has more questions, a teacher or a student?"，About this question a great learned man told his student that nobody does but a teacher.

    The student got puzzled with a smile, the teacher drew two circles (圆). Within (在.....里面) the larger one is my knowledge of things, and within the smaller one is yours. Out of the circles is still unknown to both of us. Since mine is larger, as you can see, the line that marks out the circle is longer. That makes it clear that who has more chances (机会) to face something still unknown.