题目内容

The average person spends 1 hour on social media each day.

A. 对
B. 错

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In the U.S., men spend more time on social media than women.

A. 对
B. 错

Twitter is the third most popular social media site.

A. 对
B. 错

Over 500 million people worldwide use Qzone.

A. 对
B. 错

网络心理障碍开始时是（）上的依赖，随后发展为身体上的依赖

A. 精神上
B. 口头上
C. 物质上
D. 行动上