17.The Internet has become part of young people's life.(61)Areport shows that 38% of students often use the Internet.Most of them get (62)useful(use) information on the Internet and use the Internet(63)to help( help) in their studies.But many students don't use it (64)in a good way.Some play games too much,some visit websites they shouldn't look at.So bad things may happen(65)ifstudents spend too much time on the Internet.(66)Itis important for students to use the Internet(67)properly( proper ).Now we have a textbook,(68)whichuses many examples to teach students some good ways to use the Internet.It gives useful advice.Some students also make (69)friends friend )on the Internet.But if you want to have a face-to-face (70)meeting(meet) with your online friends,let your parents know and meet in a proper place.