阅读理解Memoryistheabilitytokeeptrackofthingsthathavehappenedinthepast.M

阅读理解 Memory is the ability to keep track of things that have happened in the past. Memory really is learning. One needs memory to ride a bicycle. A dog needs to remember if it is to come when called.Memory is said to be stored in the brain as a “memory trace（记忆痕）.” What makes up this trace is not known. Some scientists believe that certain chemical substances may carry certain memories. For example, one substance, when given to rats, causes them to fear the dark. Other research into memory has to do with how the brain works. Psychologists use three means to find out how a person remembers. For example, give a person a grocery list. Let the person memorize the list, then put it away. The most natural way to find out how much a person remembers of the grocery list is to ask what he or she remembers. This is called the method of recall. Another method is called recognition. Give the person another grocery list. Ask him or her to choose items on the first list from the items that are on only the second list. Often a person will be able to recognize things that he or she cannot recall. A third method of finding how much a person remembers is called relearning. Here the person is asked to read over the first list. The person will probably learn the list the second time faster than he did the first time. The difference in the time it takes to relearn the list is thought of as a measure of how much a person has remembered. One way of remembering something is to repeat it many times. Interest is very important. Boring lists of facts are much more difficult to remember than something that we understand and are interested in. Motivation, or wanting to do something, is also important. Motivation is linked with reward. For example, a hungry animal quickly learns how to do something if that action gets the animal food. In humans, wanting to learn is often motivation. The praise of a teacher or the knowledge that an answer is correct is rewarding.1.We can learn from the 2nd paragraph that ___________ .A.bad memories may cause rats to fear the darkB.it is hard to tell what a memory trace consists ofC.chemical substances carry certain memoriesD.memory is stored in the brain as a substance2.The way to pick out the items on the first list from the second is known as ________ .A.recognitionB.recallC.memorizationD.relearning3.What is considered as a measure of how much one has remembered?A.The length of the list.B.The type of list items.C.The time difference of relearning.D.The time difference of brain working.4.A good way to train an animal to do something quickly is to ________.A.make the action easyB.praise it in wordsC.reward it with foodD.weaken its motivation

BACC解析文章向我们解释了记忆的原理。1.细节题。根据第二段第2句What makes up this trace is not known.可知B正确。2.推理题。根据第三段第5行Give the person another grocery list. Ask him or her to choose items on the first list from the items that are on only the second list.可知从第2个列表中把第一个列表中的物体挑出来称为再现。3.细节题。根据文章第三段最后一句The difference in the time it takes to relearn the list is thought of as a measure of how much a person has remembered.4.推理题。根据最后一段4,5行For example, a hungry animal quickly learns how to do something if that action gets the animal food.可以推断训练动物做事情最好的方法就是用食物奖励。

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