Food is very important. Everyone needs to 46 well if he or she wants to have a strong body. Our minds also need a kind of food. This kind of food is   47  . We begin to get knowledge even when we are very young. Small children are     48   in everything around them. They learn 49 while they are watching and listening. When they are getting older. they begin to 50 storybooks, science books, or anything they like.
When they find something new, they have to ask questions and 51 to find out the answers. What’s the best    52   to get knowledge? If we learn 53 ourselves, we will get the most knowledge. If we are     54   getting answers from others and don’t ask why, we will never learn more and understand    55     .
A. sleep   B. drink    C. cat
A. sport B. knowledge C. meat
A. interested B. interesting   C. good
A. something B. nothing   C. anything
A. write      B. learn       C. read
A. try    B. think   C. wait
A. place   B. way   C. road
A. with B. to   C. by
A. seldom B. always   C. sometimes
A. much   B. well C. better