It's late evening．Sun Tian is using her smartphone do her homework．The 15﹣year﹣old girl from Zhejiang uses an app to read English articles according to her teachers instructions．

    These days，it's normal for teachers to give homework on apps．For example，students are asked to practice English or do math exercises．Some teachers also use Wechat chat groups to give homework．Bu now，Zhejiang province is moving to ban（禁止）teachers from giving homework on mobile apps because they worry about students' eyesight．More than 70 percent of middle school students in China are found to be nearsighted，according to the World Health Organization．Using mobile phones for long periods of time is bad for our eyes．

    Do students like to do their homework on their phones？Zhang Hua，a 13﹣year﹣old boy from Fujian，said he doesn't．"Sometimes the apps can't recognize what I'm reading in English．I have to work on them for a long time to get a high score，"he said．He said his eyesight has gotten worse since he started using apps to do his homework．

    However，Wang Xidi，from Anhui，15，enjoys doing homework on apps．"The apps have big databases（数据库）of math exercises！And I can revise（修改）my answers easily，"She said．"But the bad part is that I can't help playing with other apps while doing nmy homework．"

    Zhou Tianyi，12，from Sichuan，also thinks it's fun to do homework with apps．Her teachers ask their students to dub（配音）English videos and make their own short videos．"But if I have too much other homework to do，I feel like it's too much for me to finish，"she said．

（1）From Paragraph 2． we know that　　．

A． all teachers must give homework on mobile apps

B． it's unusual for teachers to give homework on apps

C． using mobile phones for a long time is bad for our eyes

（2）Wang Xidi　　while doing her homework on apps．

A． can't play with other apps

B． often plays with other apps

C． doesn't play with other apps

（3）According to the passage，　　doesn' t like to do homework on apps．

A．Zhang Hua

B．Wang Xidi

C． Zhou Tianyi

（4）The text is most probably from　　．

A． an ad

B．a newspaper

C．a story book

（5）What's the best title of this text？　　

A． Protecting our eyes

B． Playing games on a phone

C． Doing homework on a phone