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  3. It doesn’t take an Einstein to recognize that Albert Einstein’s brain was very different from yours and mine The gray matter hou

It doesn’t take an Einstein to recognize that Albert Einstein’s brain was very different from yours and mine The gray matter hou

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问题       It doesn’t take an Einstein to recognize that Albert Einstein’s brain was very different from yours and mine The gray matter housed inside that shaggy head managed to revolutionize our concepts of time, space, motion — the very foundations of physical reality — not just once but several times during his astonishing career. 61)Yet while there clearly had to be something remarkable about Einstein’s brain, the pathologist who removed it from the great physicist’s skull after his death reported that the organ was.to all appearances, well within the normal range — no bigger or heavier than anyone else’s.
     But a new analysis of Einstein’s brain by Canadian scientists, reported in the current Lancet, reveals that it has some distinctive physical characteristics after all. 62)<>A portion of the brain that governs mathematical ability and spatial reasoning—two key ingredients to the sort of thinking Einstein did best — was significantly larger than average and may also have had more interconnections among its ceils, which could have allowed them to work together more effectively.<>
     In 1996,Harvey gave much of his data and a significant fraction of the tissue itself to Dr Sandra Witel-son, a neuroscientist who maintains a "brain bank" at McMaster for comparative studies of brain structure and function. 63)These normal, undiseased brains, willed to science by people whose intelligence had been carefully measured before death, gave Witelson a solid set of benchmarks against which to measure the seat of Einstein’s brilliant thoughts.
     Not only was Einstein’s inferior parietal region unusually bulky, the scientists found, but a feature called the Sylvian fissure was much smaller than average, 64)Without this groove that normally slices through the tissue, the brain cells were pecked close together, permitting more interconnections—which in principle can  permit more cross-referencing of information and ideas, leading to great leaps of insight.
     That’s the idea, anyway. But while it’s quite plausible according to current neurological theory, that doesn’t necessarily make it true. We know Einstein was a genius, end we now know that his brain was physically different from the average. But none of this proves a cause-and-effect relationship. "What you really need, "says McLean’s Benes," is to look at the brains of a number of mathematical geniuses to see if the same abnormalities are present."
     Even if they are, it’s possible that the bulked-brains are a result of strenuous mental exercise, not an inherent feature that makes genius possible. 65)Bottom line: we still don’t know whether Einstein was born with an extraordinary mind or whether he earned it, one brilliant idea at a time.
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答案在正常情况下这条凹槽从脑组织中穿过并将其分隔开，如果没有它，脑细胞会很紧凑地聚集在一起，使得它们之间有更多联系——这在理论上使信息和思想之间可以更多地相互参照，从而拥有更加深刻的洞察力。
解析 在句子结构上，without引导的介词短语是句子的状语，其中含有一个定语从句that normally...the tissue修饰groove，而permitting more interconnections是主句的分词状语，破折号后的部分是主句的定语从句，which修饰的是整个主句的内容，其中又含有一个相同结构的分词状语(leading to...)。考生一方面要注意翻译时句意的疏通(宜用拆译法)，另一方面还要注意一些词汇，如groove、slice through及cross-refer- encing等的理解和翻译。
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