问题
选择题
．Elephants, which are the largest mammals on the earth, have almost no natural enemies ______ human beings.
A．rather than
B．other than
C．more than
D．less than
答案
答案：B
短语辨析。rather than 而不是； other than 除了，不同于；more than 多于，超出； less than小于，不超过。句意：大象，地球上最大的哺乳动物，除了人类几乎没有天敌。故选B。