阅读下面短文并回答问题，然后将答案写到答题卡相应的位置上（请注意问题后的词数要求）。
［l］Before applying to colleges，many students wonder，what’s the point of it all? This is an important question to ask yourself. College is a huge investment，no only of money，but also of 2-4 years of your life. No one should attend college without a very good reason.
[2] Some people go to college to earn more money. On average，people who obtain a Bachelor’s degree will earn more than l million dollars more over the course of their lifetimes than people who don’t attend college. Those who go for Master’s， Doctor’s， and professional degrees do even better. Holders of these degrees are suited to many high paying jobs while .
[3] Some go for the experiences. College is an amazing life experience. Students not only receive a traditional classroom education， but also learn a large amount about the ways of the world. For many students，college is the first time they live away from home. This creates a great opportunity to meet different types of people and have many brand new experiences that can make you a much wiser and worldly person.
[4]Some others seek after a dream. For many people college is great way to start the next step towards achieving a dream. It can help you break into a new career path or achieve expert status in your chosen field.
[5] However，there’re also some people going to college because “my parents and family expect me to”or “I don’t know what I want to do with my life”. If your main reason for going to college is one of these， you should reconsider your motivations seriously. If you go without a true purpose，you can end up finding what you spend on it might never be worth it.
76. How does the author further explain his point of view? (no more than l0 words)
77. Fill in the blank in Paragraph 2 with proper words. (no more than 5 words)
78. How could experiences mentioned in Paragraph 3 change people? (no more than 8 words)
79. Why could going to college help the students seek after their dreams? (no more than 20 words)
80. What is the main idea of Paragraph 5? (no more than l0 words)