阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或者使用括号中词语的正确形式填空。
Today I went to a conference, ____ two students had a debate about the strengths and weaknesses of the Internet.
The first speaker talked about the positive ____ (effect) of the Internet on our lives. The first is its value for people who ____ (look) for information. For example, with the touch of a button ____ the click of a mouse, a student will find abundant information at his or her command. The second is our ability ____ (relate) to others through the Internet and it is especially important for disabled people ____ can't leave their homes.
The ____ (two) speaker talked about the negative effects of the Internet on our lives. For example, some experts think that the outcome of spending too much time on the Internet ii difficulty in ____ (form) social bonds. They were also quite explicit about how heavy Internet users spend ____ (much) time with their Internet friends than their real-life friends from school and work.
Both sides presented lots of statistics to support their arguments. My own judgment is that though the Internet is. ____ (benefit), we should use our intelligence and not be a slave to it!
