根据短文内容及首字母提示，在空白处填入一个适当的单词。

     Computers are useful machines. They can help people a lot in their daily (1)I            . For example,

they can help people to save much time to do (2)m            work, and they can help people to work out

many (3)p           . More and more people learn to use computers.

     Today more and more (4)f             own computers. Parents buy computers (5)f            their children.

They hope computers can (6)h             them improve their studies. However, many of their children

(7)u             computers to play games and watch videos instead of studying. So many teachers and parents

complain that computers cannot help children to study but make them fall (8)b            . So computers are

locked in boxes by parents.

     In some (9)o             countries, even some scientists also hate computers. They say computers

(10)l            many of people lose their jobs or bring them a lot of trouble. 

     Will computers bring people trouble or happiness? It will be decided by today's students themselves.