英语四级听力练习集锦3

Children in the United States are exposed to many influences other than that of their families.

Television is the most significant¹ of these influences, because the habit of watching television usually begins before children start attending school.

And, by the time that the average child finishes high school,He or she will have spent 18,000 hours in front of a television set as opposed to 12,000 hours in a classroom.

1 significant   

adj.相当数量的；意义重大的；意味深长的

参考例句：

• Your success today may be significant for your whole future.你今天的成功对你的整个未来可能是重要的。
• She cast him a significant smile.她向他投去意味深长的一笑。