It is difficult to imagine what life would be like without memory. The meanings of thousands of everyday perceptions, the bases (1) the decisions we make, and the roots of our habits and skills are to be (2) in our past experiences, which are brought into the present (3) memory.
Memory can be defined as the capacity to keep (4) available for later use. It includes not only " (5) " things like arithmetic or historical facts, but also any (6) in the way an animal typically behaves. Memory is (7) when a rat gives up eating grain because he has sniffed something (8) in the grain pile. Memory is also involved when a six-year-old child (9) to swing a baseball bat.
Memory (10) not only in humans and animals but also in some physical objects and machines. Computers, for example, contain (11) for storing data for later use. It is interesting to compare the memory-stor
A. learns
B. recognizes
C. understands
D. perceives
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