The 32 species that make up the dolphin family ae closely related to whales and in fact include the animal known as the killer whale, which can grow to be 30 feet long and is famous for its aggressive hunting pods.
纠结于A和D两个答案：
A. include the animal known as the killer whale, which can grow to be 30 feet long and is D. include the animal known as the killer whale, which can grow as big as 30 feet long and is
个人觉得D应该也对的啊，答案是A, 请高手指点。谢谢！作者: nemiah 时间: 2011-7-15 13:53
as big as ... long 是redundancy 吧？请NN指正。。。作者: michellefyj 时间: 2011-7-15 14:00
嗯，我也有这样想过，不过不确定grow ... to be...是不是固定搭配呢？作者: charlenezhang 时间: 2011-7-15 14:03
as big as xx feet long . 这个搭配应该不对吧作者: nemiah 时间: 2011-7-15 14:09
其实我觉得E致命的错误是grow as big as .. .. big是形容词，不能修饰grow。 例如说：he runs as fast as me.作者: wangjieava23 时间: 2012-4-27 17:40
那是不是可以说成 grow as long as 30 feet.