at the rate of
at the speed of
固定搭配用法,這兩個詞前都用介詞at,
從句中道理也是一樣的.
The speed____which an animal lives is determined by measuring the rate____which it uses oxygen.
The speed____which an animal lives is determined by measuring the rate____which it uses oxygen.
A.in,at B.at,by C.with,in D.at,at
答案應該選D,為什么?請說明原因,
A.in,at B.at,by C.with,in D.at,at
答案應該選D,為什么?請說明原因,
英語人氣：336 ℃時間：2020-03-28 07:28:38
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