从生物归类的角度看，下列关系较近的一组是[ ]
A．松和虎
B．鲸和海豚
C．麻雀和海带
D．钟乳石和蚯蚓
答案：B
It was rather strange how the habits of his youth clung to him still. He was 72.
A．stuck to
B．turned
C．led to
D．gave way to
在听觉的形成过程中，振动刺激产生兴奋的部位和听觉形成的部位分别在（ ）。
A．鼓膜和大脑皮层
B．听神经和大脑皮层
C．耳蜗和大脑皮层
D．鼓膜和耳蜗
