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

admin2013-08-23  135
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【S1】______ 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【S2】______ risk of autism was nearly 19% ,【S3】______ 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【S4】______ suggest that genes play a key role in autism risk. But they also hint that other environmental factors【S5】______ by siblings, like influences in the womb(子宫), may be important as well.
    On the【S6】______ of the findings, the researchers recommend that doctors closely【S7】______ younger siblings of autistic children to pick up any early signs of the disorder, 【S8】______ an unusually large head or delayed language development and communication skills. Evidence suggests that early【S9】______ and diagnosis of autism can help children take advantage of therapies that can treat some of its【S10】______ .
A)average I)including
B)basis J)monitor
C)common K)reason
D)consequently L)results
E)detection M)shared
F)developing N)symbols
G)distributed O)symptoms
H)dramatically
【S3】
选项
答案H
解析 该题所在分句是一个比较级结构，在整个句子中作补语成分。空格后的higher是形容词比较级形式，故需要填入一个副词来表示其程度。dramatically意为“大幅度地，引人注目地”，带人文中正好表示“明显地、相当地”高，故为答案。
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大学英语四级

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