76 Internet前面加the
77 all 改成some
78surf on
79去掉it
80to变为with
81 others 改成other,或者删去students
82play改成playing
83makes变为does
84正确
85 into 改成from
With the development of computer technology,the Internet has become more and more popular.Some students regard it as a great helper.Since there is a lot of information online,you can surf on the Internet for any information you need in a short time without working hard in the library.It is also very convenient to communicate with others by using the Internet.However,other students think that there is some information on line that is not good for the students.In addition,spending too much time playing games online,not only has a bad effect on study but also does harm to our health.Therefore,we should make a proper use of the Internet.And it is of great importance for us to separate(分离) good plants ifrom wild weeds..