问题
选择题
Teenagers________their health because they play computer games too much.
A．have damaged
B．are damaging
C．damaged
D．will damage
答案
答案：B
B [考查时态。句意：因为青少年电脑游戏玩得太多，所以他们正在损害自己的健康。由句意可知，青少年损害健康这一现象正在发生，故用现在进行时。]
