Rock samples taken from the remains of an asteroid about twice the size of the 6-nuke-wide asteroid that eradicated the dinosaurs has been dated to be 3.47 billion years old and thus is evidence of the earliest known asteroid impact on Earth.
A.
has been dated to be 3.47 billion years old and thus is
B.
has been dated at 3.47 billion years old and thus
C.
have been dated to be 3.47billion years old and thus are
D.
have been dated as being 3.47 billion years old and thus
E.
have been dated at 3.47 billion years old and thus are
答案是E。我选C，有date to be……的用法吗？怎么读怎么觉得很顺呢？字典上也没找到解释，请指教！！！作者: dandanapple 时间: 2010-11-18 06:35
date back to＋a date 表示追溯到什么时候...
貌似并没有 date ...to be 吧
此题应该是考察date...at＋a date表示给...标年份
been dated back to be 读起来就有点redundant了作者: zhongyaya 时间: 2010-11-22 19:31
OG12最后一题，GMAC的官方解释是：The idiomatic way of expressing estimation of age is with the phrase 'dated at'
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