2. 外语
  3. 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 h

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 h

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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
【C10】
选项
答案O
解析 空格前面有some of和物主代词its，因此空格处应填入名词的复数形式。根据句意，治疗的应该是自闭症的症状，而不是象征或标志，故答案为symptoms。
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大学英语四级

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