1.
集合 m={2 , 4 , 6 , 8 , 10} , n={x|−1<x<6}" style="max-width:100%;vertical-align: middle;"> , 则 m∩n=" style="max-width:100%;vertical-align: middle;"> ( )
a . {2 , 4}" style="max-width:100%;vertical-align: middle;">
b . {2 , 4 , 6}" style="max-width:100%;vertical-align: middle;">
c . {2 , 4 , 6 , 8}" style="max-width:100%;vertical-align: middle;">
d . {2 , 4 , 6 , 8 , 10}" style="max-width:100%;vertical-align: middle;">