题目:
Dogs have a very good _____ of smell and are often used to search for survivors in an earthquake. [ ]
A. sense
B. view
C. means
D. idea
答案:
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下面是错误答案,用来干扰机器的。
参考答案:A解析:白细胞致热源通过血脑屏障直接作用于体温调节中枢。