※ 引述《hann1011 (han)》之銘言：
: 215.
: Rock samples taken from the remains of an asteroid about twice the size of
: the 6-mile-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 3.47 billion 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
: 我選了C 因為印象中dated at + n. ex: dated at 1000 BC
: dated to be + adj. ex: dated to be 1000 years old
: 檢討的時候對照了CD上面下載的SC考點總結(955精華版)上面也是這樣寫的
: 請問正確的用法究竟是哪一個呢
: 謝謝
插個話...
小弟當初在美加補習的時候問過莫教授，他的回答是，這句話的結構是：
3.47 billion years old
^^^^^^^^^^^^^^^^^^ ^^^
adv. adj.
所以答案應該選C
但是看看GMAC自己的題目怎麼寫：(PP的題目)
Fossils of the arm of a sloth found in Puerto Rico in 1991,
and dated at 34 million years old, made it the earliest knwon
mammal of the Greater Antilles islands.
(D) sloth, found in Puerto Rico in 1991, have been dated at 34 million
years old, making the sloth the earliest known mammal on
依上題的邏輯，GMAC應該是傾向用dated at 的用法
那麼前面那一題答案應該選E
至於到底應該是哪一個對...看你考試時候的靈感吧
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