（2013•永州）Computer games have become more and more popular in many cities and towns．In order to get more money，a lot of small shops have been changed into computer game houses along the streets．These places are always crowded with people．People spend a lot of money playing computer games．Some people play in the computer game houses for hours and hours．For school boys，things are even worse．When school is over，they rush into the computer game houses near their school．Some of them aren't interested in their lessons any more．They spend all their free time in playing computer games．Sometimes they don't eat or sleep for several days．This is a serious problem．Something has to be done to stop it．But the most important thing is that young people must be far away from computer games．
56．From the passage，computer games have become more and more
．
A．popular B．necessary C．important
57．Why have small shops been changed into computer game houses？
A．Because children like to play computer games．
B．Because the owners of the small shops want to get more money．
C．Because young people have nothing else to do but play computer games．
58．The passage tells us that the students are less interested in
．
A．their lessons B．computer games C．small shops
59．Playing computer game for a long time is
．
A．a good thing B．a serious problem C，an important thing
60．It's necessary for
to be far away from computer games．so that they can do well
in their lessons．
A．children B．teachers C．parents．