概括大意与完成句子
which determines in some way the extent of our achievements. Its Value therefore, was as a predictor of children’s future learning. If they differed markedly in their ability to learn complex tasks，then it was clearly necessary to educate them differently and the need for different types of school and even different ability groups within school was obvious．Intelligence tests could be used for streaming children according to ability at an early age; and at 11 these tests were superior to measures of attainment for selecting children for different types of secondary education．
It was once believed __________, and thus we can tell how successful he/she will be in the future according to his/her intelligence.
A、born to be more intelligent or less intelligent
B、taught to be more intelligent
C、that intelligence was something a baby was born with
D、and because of the lack of communication with his classmates
【正确答案】 C
【答案解析】 空格处需要真正的主语（It是形式主语），因此根据语法结构判断C 是答案。该句大意是“人们曾经一度相信，智力是一个孩子天生所具有的，因为我们可以根据他/她的智力水平判断他/她在将来是否会取得成功。”
