[問題] GWD-TN21 SC no.28 & no.37
no.28
Rock samples taken from the remains of an asteroid about twice the size of
the 6-nuke-wide asteroid that eradicated the dinosaurs
C."have been dated to be 3.47 million years old and thus are"
E."have been dated at 3.47 billion years old and thus are"
evidence of the earliest known asteroid impact on Earth.
答案是E
請問為什麼不是C?
只有dated to be 和dated at的差別
no.37
In 1994 the white house named Dr RuthR. Faden chairperson of the federal
advisory committee of experts "it assigned to do" a report on the history
and ethics of the government's radiation experiments on humans in the
1950's and 1960's.
請問it指代什麼呢??
用刪去法也覺得這是正解沒錯
但看不太懂這句句型和句意
有人可以幫忙分析嗎???
million thanks!!!!!!!!!
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※ 編輯: kkara 來自: 218.171.167.128 (04/15 00:30)
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