Sometimes the Internet can be a dangerous place if you are not on guard.
查看答案
Honesty is important when you chat with someone online.
A. 对
B. 错
Some people disguise their identity only to enjoy themselves.
A. 对
B. 错
When you are talking with a stranger online, you have to find out who he or she is.
A. 对
B. 错
You should not be left alone when meeting an unknown person.
A. 对
B. 错
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