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  3. What does it mean to be intelligent? Most psychologists agree that abstract reasoning, problem solving, and the ability to acqui

What does it mean to be intelligent? Most psychologists agree that abstract reasoning, problem solving, and the ability to acqui

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问题     What does it mean to be intelligent? Most psychologists agree that abstract reasoning, problem solving, and the ability to acquire knowledge are all【C1】______of intelligence. However, there is【C2】______agreement on other factors,【C3】______mental speed and creativity.
    Anyone who takes an intelligence test will be given an IQ score. This score allows【C4】______with people of the same age, on the【C5】______that 100 is the average IQ.【C6】______97% of people score【C7】______between 70 and 130. But what do IQ tests measure? To some【C8】______they measure our knowledge and vocabulary. But they also【C9】______on the size of working memory, speed of【C10】______, and an ability to choose appropriate strategies for solving particular problems. IQ tests were created almost 100 years ago and have generated【C11】______controversy since then. It has been found that IQ scores in America improved【C12】______20 to 30 points over the course of the 20th century. It does not make【C13】______to believe that this increase is due to big leaps in inherited intelligence from one generation to another. Instead, it seems likely that【C14】______generations have been better schooled in【C15】______it takes to do well on the tests.
    For many psychologists, it seems absurd to【C16】______the whole of human intelligence to the single score obtained on an IQ test【C17】______, they emphasize multiple intelligences. Someone who is skilled at learning languages may not be musically talented.【C18】______, our intelligence seems to vary according to how familiar we are【C19】______particular situations. One group of 10-year-old street vendors in Brazil, with very little schooling, were good at giving the right change, but did much worse when given【C20】______questions presented like school tasks.
【C12】
选项 A、by
B、to
C、at
D、in
答案A
解析 表示“提高，增加，减少”等意思的动词后接数字的话，中间一般由by或者to连接。improve by表示“提高了……”；improve to表示“提高到……”。上文提到多数人在70到130的区间，因此20—30应该是提高的“幅度”，故选A项by。
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