下列几组动物中亲缘关系最近的一组是（ ）
A．蝙蝠和蝴蝶
B．鱼和扬子鳄
C．家蚕和青蛙
D．猫和虎
答案：D
—Dinner is ready. Help yourself!
—Wow! It ______ delicious. Could you please tell me how to cook it?
A．tastes
B．looks
C．sounds
D．Feels
混合体腔
