选出与其他两项发音不同的选项。(10分)
( )（1）A.have B．map C．make
( )（2）A.drink B．might C．pink
( )（3）A.soon B．food C．look
( )（4）A.now B．know C．slow
( )（5）A.hear B．bear C．ear
( )（6）A.lot B．nose C．post
( )（7）A.this B．thank C．mother
( )（8）A.flu B．university C．music
( )（9）A.let B．seven C．Peter
( )（10）A.head B．meat C．eat