改錯：(2018·*大學聯考)Apossibilityofself­drivingrobotcarshasoft...

問題詳情：

改錯：(2018·*大學聯考)A possibility of self­driving robot cars has often seemed like a futurist's dream, years away from materializing in the real world.

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【回答】

A→The　介詞短語of self­driving robot cars作possibility的後置定語，起修飾限定的作用，故將A改為The，表示特指。此處特指無人駕駛機器人汽車的可能*。

知識點：冠詞

題型：短文改錯