A-A+
The professor's tests show that __. A.our brai
问题详情
The professor"s tests show that __. A.our brains shrink as we grow old B.the front section of the brain does not shrink C.seventy-year-olds have better brains than sixty-year-olds D.brain contraction may vary among people of the same age
参考答案
正确答案:D
从第五、六、七段可知,通过对30岁的人测试(60、70岁不是很明显),教授发现减轻大脑萎缩的最简单的方法是:使用它。按照教授的研究结果:离大脑萎缩危险最远的人群是律师,其次是教授和医生,等等。同样的,年龄相同但职业不同的人大脑的萎缩状况不同。