WeChat is very helpful. As we know，WeChat is a new and powerful mobile communication tool.①__________ You can also do group chats，or you can find new friends nearby to talk to.

Recently，WeChat is becoming more and more popular in China. People can sign up and leave text or voice messages for free，no matter where they are.（A）They can also find a stranger to talk to by shaking the phone. The system will find out others who are shaking their phones at the same time and make a match. Another amazing function is that WeChat can help to search for people who live nearby with the program on，and show the rough（大体上的）distance. I like this function best，because it can help you to find more people who you may know.

Recently，I read news that some girls met guys they knew by shaking the phone and there were unpleasant incidents（事件）after they met. It clearly showed（B）a lack of common sense（常识）.（C）They should learn to protect themselves and not trust strangers so much. Technology makes life easier and sweeter，but at the same time it brings us bitter lessons. ② __________.

【小题1】选择最佳句子补全文章，其中有一项多余。
①__________   ②__________

A．Being careful is necessary.

B．It supports sending videos，photos，text and voice messages.

C．Shaking the phone is very popular among the young.

【小题2】将（A）处划线句子译为汉语。
___________________________________________________________________________________
【小题3】选出（B）处划线短语a lack of的汉语意思。__________

A．具备，具有

B．增加

C．缺乏，缺少

【小题4】找出（C）处划线代词they指代的内容。
___________________________________________________________________________________
【小题5】阅读短文，列举WeChat的两大功能。
1）___________________________________________________________________________________
2）___________________________________________________________________________________