不会数数的人 - 学习回顾

A recent study has discovered that dyscalculia, the mathematical inability in reading, affects about 5% of children in Britain. There is no simple way of finding out the reason and kids with this learning disability are usually labelled unintelligent.

So what exactly is this learning disability in mathematics? Unlike most people, dyscalculics cannot recognise three or four objects. 1[■] For example, they need to count the books on the table before they can say how many there are. In other words, they have to count them one by one. This is where they are different from others. The majority of us, if shown three or four similar things, can immediately recognise them.

2[■] They cannot understand, for instance, why two and three makes five. Another problem is not being able to tell which group contains more objects than the other. Experiments have proved that dyscalculics have not developed the part of the brain responsible for processing numbers.

There are also problems with the abstract concept of time for dyscalculics. 3[■] If your best friend is always late, he might be suffering from dyscalculia. Dyscalculics cannot keep track of time, and they never know how much time they have spent getting ready and how long it will take them to get to work. In addition, research has shown that dyscalculics behave oddly in social situations. 4[■] This poor ability can explain why they never know how much change they are due or what kind of budget they need for their holiday.

On the other hand, dyscalculics are very good at creative arts. People suffering from dyscalculia can become painters or poets. Dyscalculia does not seem to delay language acquisition. Dyscalculic children acquire language at the same time as, if not earlier than, most children and have no problem learning to read or write. 5[■]

A. Dyscalculics have difficulties in using numbers at all.
B. This disability scares children away from learning mathematics.
C. They have to go through the routine of counting even a small number of objects.
D. It is quite reasonable for dyscalculics to solve this kind of specific problem at any time.
E. They never know how much they should tip the waiter or they’ve got left after a shopping trip.
F. We can see that dyscalculia is only a learning disability, not a general indication of intelligence.
G. This can account for their difficulty in reading schedules and remembering the order in which things have happened.

我的作答:未作答 正确答案:C 正确率:- 平均得分:-

题目解析

前文提到不能识别三四个物体,后文举例需要逐一数,故选C。

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