The sentence “... this saying flies out of the window” means this saying________.
A. helps us learn something in real life
B. doesn’t apply at all
C. is not logical
D. is only half true
查看答案
The author advises us _______.
A. not to talk with unknown people in a chat room
B. not to chat with people who disguise their identity
C. not to trust the person who claims to be seventeen
D. not to believe everything you read online
Some people online look for ways ________.
A. to get your personal information
B. to offer help to you
C. to make you agree to meet them in person
D. to pretend to be your friends
The purpose of using the “buddy system” is to make sure _______.
A. you are always with a relative when meeting an online friend
B. meetings with unknown people are held in public areas
C. you are safe when meeting an online friend
D. meetings with online friends are held in malls or cafés
Sometimes the Internet can be a dangerous place if you are not on guard.
A. 对
B. 错
微信支付 
支付宝支付