9.Liu Sijiang (teacher):The Net improves the speed of communication,but there are many people who lie on it.Therefore,it is natural that some people are(61)worried(worry) about the girl in Nanjing,who made friends with an American teacher by email.
Xu Yong (student):These days,(62)making(make) friends online is a part of many people's lives.I think we can make good and helpful friends online,just like the girl from Nanjing.So don't be afraid to do(63)whatyou think is right.
Ding Yixiang (student):As the most(64)important(importance) communication tool at present,the Internet helps us to know and understand world affairs.(65)Itis also easy to make friends with foreigners through your keyboard.(66)However,a"friend"might lie to you.Only if young people can control themselves well and know what is good and what is bad,making friends on the Net should not be (67)aproblem at all.
Zhou Jian (student):It is hard to say (68)whetheror not it is good to make friends on the Internet.In fact,some bad and harmful things have indeed happened.However,I like to make friends online.I often share my happiness and sadness (69)withmy friends there.They can offer me some advice (70)andtell me how to solve problems when I am in trouble.