标题: 大全174 [打印本页] 作者: jixuewei 时间: 2010-8-9 11:38 标题: 大全174 1.Believed to originate from a small area on their foreheads, elephants emit low-frequency sounds that may be used as a secret language to communicate with other members of the herd. (A) Believed to originate from a small area on their foreheads, elephants emit low-frequency sounds that may be used (B) Elephants emit low-frequency sounds that are believed to originate from a small area on their foreheads, and they may use this (C) Elephants emit low-frequency sounds, believed to originate from a small area on their foreheads, that they may use (D) Originating, it is believed, from a small area on their foreheads; elephants emit low-frequency sounds they may use（C） (E) Originating, it is believed, from a small area on their foreheads, low-frequency sounds are emitted by elephants that may be used 这道题的答案选C 想了半天也不明白为什么 逗号后的that这样用可以吗 个人觉得A更好，大全的解释很模糊 就说按照believe的用法 只有C对。。希望高手指点。。作者: myungryong 时间: 2010-8-9 12:11
A错的原因是believed在意思上应该修饰sounds但是believed在句首只能修饰elephants 在C当中 believed to originate from a small area on their foreheads 插入语 that修饰sounds 还有that在从句当中作宾语作者: jixuewei 时间: 2010-8-9 12:47 标题: 谢谢 明白了~~谢谢~~