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A set of genes play a role in learning to read and do math, but this ability is not just gene-driven,【C1】________schooling and h
A set of genes play a role in learning to read and do math, but this ability is not just gene-driven,【C1】________schooling and h
admin
2023-04-06
15
问题
A set of genes play a role in learning to read and do math, but this ability is not just gene-driven,【C1】________schooling and help from parents are also vital【C2】________.
Early mathematical ability and literacy are known to【C3】________in some families, but the genes【C4】________affect this have until now been【C5】________unknown.
Scientists looked into a data pool called the Twins Early Development Study, which【C6】________12-year-olds from nearly 2,800 British families.
The team compared twins and【C7】________children to see how they【C8】________in tests for maths and reading comprehension, and then matched the children’s genomes.
Between 10 percent and half of the genes in-volved in reading were also involved in math, they found, and tiny variants in these【C9】________genes influence skill level.
【C10】________it’s also clear how important our life experience is in making us better at one or the other. It’s this complex【C11】________of nature and nurture as we grow up【C12】________shapes who we are.
Professor Robert Plomin said the study was the first to estimate the【C13】________from DNA alone on learning ability.
But, he stressed, the genetic valiants that were identified were not【C14】________"literacy or numeracy" genes.
【C15】________they formed part of a more complex mechanism in which many genes each【C16】________a small, but combined, effect on learning ability.
"Children differ【C17】________in how easy or difficult they find learning, and we need to recognize and【C18】________these individual differences," said Plomin.
"Heritability does not【C19】________that anything is set in stone—it just means it may take more effort from parents, schools and teachers to【C20】________the child up to speed."
【C9】
选项
A、defected
B、isolated
C、resembled
D、shared
答案
D
解析
空格前提到,这些基因中有10%至50%与阅读能力相关,同样也与数学能力相关。因此推断,这些基因是共有的,即shared,故选D项。A项defected“有缺陷的”,上下文并未提到“缺陷基因”的相关内容,可排除。B项isolated意为“隔离的”,代入空格,不足以概括“与阅读能力相关,同样也与数学能力相关”这些基因的共有属性。C项resembled“相同的”,由上下文,无法推出这些基因是完全相同的,故排除。
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0
考研英语一
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