3【2012考研学员普发】英语阶段测评试题——第3次.pdf

  机密★启用前 2012 届全国硕士研究生入学统一考试 （万学·海文公共课标准课程基础阶段测试卷） 英语 （第三次） 答题注意事项 1．本试卷考试时间 150 分钟，满分 100 分。 2 ．试卷后面附有参考答案，供学员测试后核对。 1 / 9   Section I Use of English Directions ： Read the following text. Choose the best word(s) for each numbered blank and mark A ，B ，C or D on ANSWER SHEET 1. (10 points) Researchers 1 brain size and mental ability say their work offers evidence that education 2 the mind from the brain’s physical deterioration. It is known that the brain shrinks 3 the body ages, but the effects on mental ability are 4 from person to person. Dr. Edward Coffey, a professor of psychiatry and of neurology at Henry Ford Health System in Detroit, said the 5 suggests that education allows people to withstand more brain-tissue loss before their mental functioning begins to 6 . The study is the first to provide biological evidence to support a 7 called the “reserve” hypothesis, according to the researchers. In recent years, investigators have developed the idea that people who are more 8 have greater cognitive reserves to draw upon as the brain ages; in essence, they have 9 brain tissue to spare. “Everyone has some degree of brain shrinkage,” Coffey said. “People 10 (on average) 2.5 percent per decade starting in adulthood.” There is, 11 , a “remarkable range” of shrinkage among people who show no signs of mental decline, Coffey noted. Overall health,