54-56：DCC54题答案：D考查细节理解题，根据文中的第一段Sesame（芝麻）Street"hasbeencalled"the...
learning,and he wants to learn more.51.Why is Sesame Street shown many times during the week?AA.More children can benefit from it.B.Children can watch it 5times a week.C.Many schools can use it in classes.D.Children can watch it again and again.52.What can children learn from ...