.Unit 11. A college education can be very costly in the United States.2. Rising costs have led more and more families to borrow money to help pay for college.3. There are different federal loans and private loans for students.4. Interest rates on some of these loans will go up on July 1st.5. There are growing concerns that many students graduate with too much debt.1. 在美国，大学教育的费用会很贵。2. 费用的上涨使越来越多的美国家庭通过借钱来支付上大学的费用。3. 有各种各样的联邦贷款和私人贷款可供学生挑选。4. 在这些贷款品种中，有些品种的利率将从7月1日起上调。5. 人们
