题目

Father gave me several pens, but I like ___ of them.         A. none                   B. both               C. any             D. neither 答案：A鲫鱼的鳍中属于偶鳍的有（ ）A．背鳍和尾鳍B．胸鳍和腹鳍C．臀鳍和背鳍D．所有鳍