Identification （that）was aided by comparison with positive control samples p
rovided in the kit.
. Some two centuries later, smoking had become an ritual throughout the world
—a development (that was)much aided by the mass production of cigarettes in t
he 1880s.
Negro Extension Work(that is) Much Aided by Use of Movable Schools
()處是我自己填的
想請問板上大大 這樣對嗎
又來不恥下問了
感謝

對2個,錯1個。第1個是錯的。其實你還是不懂...如果要省略就關代和be動詞一起省略,要還原就關代和be動詞一起還原補回去,怎麼會只補一個關代that...所以第一句原句Identification was aided by comparison..不是你新學的那個文法,他只是一個被動句..

不恥下問 即不以向身分低微或學問較自己淺陋的人求教為羞恥 《國語辭典》

從來沒聽過那所謂另一個解釋。不懂成語就承認好嗎？