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  3. How Our Memory Works Try to imagine a life without a memory. It would be impossible. You could not use a language, because y

How Our Memory Works Try to imagine a life without a memory. It would be impossible. You could not use a language, because y

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问题                     How Our Memory Works
    Try to imagine a life without a memory. It would be impossible. You could not use a language, because you would not remember the words. You could not understand a film, because you need to hold the first part of the story in your mind in order to understand the later parts. You would not be able to recognize anyone — even members of your own family. You would live in a permanent present. You would have no past and you wouldn’t be able to imagine a future.
    Human beings have amazing memories. Apart from all our personal memories about our own lives, we can recall between 20, 000 and 100, 000 words in our own language as well as possibly thousands more in a foreign language. We have all sorts of information about different subjects such as history, science, and geography, and we have complex skills such as driving a car or playing a musical instrument. All these things and countless others depend on our memory.
    How well you remember things depends on many different factors. Firstly, some people naturally have better memories than others, in just the same way as some people are taller than others, or have different color eyes. Some top chess players, for example, can remember every move of every game that they have ever seen or played.
    Secondly, research shows that different things are stored in different parts of the brain. Ideas, words, and numbers are stored in the left-hand side, while the right-hand side remembers images, sounds, and smells. In most people one side of the brain is more developed than the other, and this may explain why some people can remember people’s faces easily, but can’t remember their names.
    Thirdly, we all remember exciting, frightening, or dramatic events more easily. This is because these experiences produce chemicals such as adrenaline, which boost your memory. They say that anyone who is old enough to remember knows exactly where they were on Tuesday, September 11, 2001, when radio and TV programs around the world were interrupted with the shocking news that the twin towers of the World Trade Center in New York were hit.
    Fourthly, the context in which you learn something can affect how well you remember it. Tests on divers, for example, showed that when they learned things underwater, they could also remember those things best when they were underwater.
    Lastly, the more often you recall a memory, the more likely you are to remember it. If you don’t use it, you lose it. A telephone number that you dial frequently will stay in your memory easily, but you will probably have to write down one that you use only now and again.  
What does the author mean when he mention "context" in the first line of paragraph 6?
选项 A、the environment where someone get to know something
B、discourse that surrounds a language unit and helps to determine its interpretation
C、the surroundings of a building
D、the atmosphere of a class
答案A
解析 本题考查考生结合上下文理解多义词意思的能力。题目是：作者在第六段第一行提到“context”一词时，它的意思是什么?context一词的意思较多，比如：上下文，环境，语境。结合本句意思和下文的例证，考生可以推理出context在这理解为环境更加符合作者的真实意思。所以选项A一个人了解某事时所处的环境，应为正确答案。
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