【单选题】'Super Girl' may have gone, but it has left young people with the belief they are confident and persevere with their dreams, they can achieve them. [ ]
【单选题】下列关系中,正确的个数为 1 ; 2 ; 30∈N * ; 4{-5} Z.
【单选题】给出下列关系① ② ③ ④ ,其中正确的个数为( )
【单选题】下列关系中,正确的个数为( ) (1) ;(2) ;( 3) ;(4) .
【单选题】_______ never to come back again, the girl left the poor village without saying goodbye.