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题目内容
（河北建筑工程学院-线性代数）
54. (单选题) The doctor’s tests show that __________.(本题1.0分)
A、 our brains shrink as we grow older
B、 the front section of the brain does not shrink
C、 sixty-year-olds have better brains than thirty-year-olds
D、 some people’s brains have contracted more than other people’s
A、 our brains shrink as we grow older
B、 the front section of the brain does not shrink
C、 sixty-year-olds have better brains than thirty-year-olds
D、 some people’s brains have contracted more than other people’s
参考答案