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  3. It’s the first question parents ask when their child is diagnosed with autis

It’s the first question parents ask when their child is diagnosed with autis

游客2024-02-09  48
问题     It’s the first question parents ask when their child is diagnosed with autism(自闭症). Will his future brothers or sisters have a higher risk of【C1】______it, too?
    According to the largest study of siblings(兄弟姐妹)in families with autism, the answer is yes. Among 664 children who had at least one older sibling with the developmental disorder, the【C2】______risk of autism was nearly 19%,【C3】______higher than previous sibling-recurrence estimates that were anywhere from 3% to 10%. Kids with more than one older autistic sibling had an even higher risk of the disorder: 32%.
    The【C4】______suggest that genes play a key role in autism risk. But they also hint that other environmental factors【C5】______by siblings, like influences in the womb(子宫), may be important as well.
    On the【C6】______of the findings, the researchers recommend that doctors closely【C7】______younger siblings of autistic children to pick up any early signs of the disorder, 【C8】______an unusually large head or delayed language development and communication skills. Evidence suggests that early【C9】______and diagnosis of autism can help children take advantage of therapies that can treat some of its【C10】______
A)average F)developing K)reason
B)basis G)distributed L)results
C)common H)dramatically M)shared
D)consequently I)including N)symbols
E)detection J)monitor O)symptoms [br] 【C3】
选项
答案 H
解析 该题所在的分句是一个比较级结构，在整个句子中作补语。空格后的higher是形容词，故需要填入副词来修饰higher。dramatically意为“大幅度地；引人注目地”，在此处与higher连用表示患病率“明显更高”，故为正确答案。
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