四六级考试

【单选题】 It is implied in the passage that the .babies at the day-care center ______.
A．were born of. mothers with higher IQs
B．were more closely attended to by their mothers
C．were reared under a more favorable environment
D．were given more medical care than those at home

网考网参考答案：C
网考网解析：
[解析] 从文章第二段分析可知，在day-care center抚养的孩子的智商比在家里抚养的孩子的智商要高，从而可以确定答案为[C]。文章第一段提到，这两类孩子都被给予了医疗照顾，妈妈的智商都差不多(平均为80)，而在家里抚养的孩子被妈妈照顾得要多一些，因此其他三项均错误。 查看试题解析出处>>