The police always take advantage of dogs’ sense of smell to search for something.A. sensi

问题补充：

The police always take advantage of dogs’ sense of smell to search for something.

A. sensitive

B. sharp

C. practical

D. tremendous

答案：

A. sensitive

(答案→)B. sharp

C. practical

D. tremendous

解析：词义辨析。A.敏感的；易受伤害的 B. 敏捷的；强烈的C. 实际的 D. 惊人的。句意：警察总是利用狗的强烈的的对味道的感觉来寻找东西。故选B。