复合题
What is the passage mainly about?
A、
Selection process of rescue dogs.
B、
Qualities and training of rescue dogs.
C、
Risks rescue dogs are faced with.
D、
Types of tasks rescue dogs can perform.
【正确答案】
B
【答案解析】
文章第二、三、四段主要讲搜救犬需要具备的能力和条件，第五、六段讲搜救犬的训练.所以这篇文章的主题是搜救犬的本领和训练，故选B。
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