复合题
Which ability is most important for dogs to rescue people trapped in snow?
A、
Sharp hearing.
B、
Swift movement.
C、
Extraordinary smelling.
D、
A strong memory.
【正确答案】
C
【答案解析】
由第六段最后两句可知,搜救训练的一项内容是让搜救犬去嗅空气中受害者的气味,这项能力对发现被困在坍塌建筑物和雪崩中的受害者至关重要。由此可推断,在搜救被困在雪里的受害者时,搜救犬极其敏锐的嗅觉是最重要的,故选C。What is the passage mainly about?
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