新概念3 中第九课 时态问题!请问下在新概念3第九课中：they had fallen off high buildings, yet only eight of them died from shock or injuries. One cat, Sabrina, fell 32 storeys, yet only suffered from a broken tooth. 第一句用了一个过去完成时,第二句怎么只用了一般过去时啊!为什么会有差别呢?
问题描述：
新概念3 中第九课 时态问题!
请问下在新概念3第九课中：they had fallen off high buildings, yet only eight of them died from shock or injuries. One cat, Sabrina, fell 32 storeys, yet only suffered from a broken tooth. 第一句用了一个过去完成时,第二句怎么只用了一般过去时啊!为什么会有差别呢?
答
第一句话是陈述这件事本身.
第二句话是举个例子.
这是两件事,没有时态上的联系.