问题
选择题
It’s bad for your eyes ____ computer games for a long time.
A．plays
B．to play
C．play
D．played
答案
答案：B
搜题请搜索小程序“爱下问搜题”
It’s bad for your eyes ____ computer games for a long time.
A．plays
B．to play
C．play
D．played
答案：B
3Z(g)。Z的含量（Z%）随时间t的变化如图所示。已知在
时刻改变了某一实验条件。下列判断正确的是
