2. 外语
  3. From the first sentence we learn that researchers ______. The finding that children reared at home had low IQs at age 12 indica

From the first sentence we learn that researchers ______. The finding that children reared at home had low IQs at age 12 indica

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问题 From the first sentence we learn that researchers ______.
The finding that children reared at home had low IQs at age 12 indicates ______.
选项 A、educational day-care centers are the best place for children to grow up in
B、parents fail to provide an adequate environment for their intelligence growth
C、the age of 12 is a critical point in time for intellectual development in children
D、intellectual development and academic achievement of children are closely related
答案B
解析 文章第二段最后一句提到，positive effects of educational day-care on the intellectual development and academic achievement of the children were evident at age 12；文章第三段第一句又指出， Some parents…have difficulty providing an adequate environment for the intellectual needs of their infants，从而可以确定答案为B。原文只是把日间托儿中心和家庭这两种环境做比较分析，指出在日间托儿中心抚养的孩子智商比在家里抚养的孩子的智商要高，但是不能说明日间托儿中心就是孩子成长的最好环境，故A错误。
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大学英语六级

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