The light bulb ______ by Edison in the middle of the 1780s.
A．is inventedB．was inventedC．inventedD．invent
B

試題分析：句意：電燈是愛迪生在18世紀(jì)80年代中期發(fā)明的。應(yīng)用被動(dòng)語態(tài)的過去時(shí)。句中有in the middle of the 1780s表示18世紀(jì)80年代中期，是一個(gè)過去時(shí)間，故用一般過去時(shí)的被動(dòng)形式。
點(diǎn)評(píng)：被動(dòng)是中考中必考的語法點(diǎn)。解答好此類被動(dòng)語態(tài)的題目，首先需要對(duì)句意有充分的理解，其次注意被動(dòng)語態(tài)的基本形式。對(duì)于各個(gè)時(shí)態(tài)的被動(dòng)語態(tài)，學(xué)生在平時(shí)的學(xué)習(xí)中都必須了然于心，中考英語中很親睞考察將來時(shí)的被動(dòng)語態(tài)，即will+be+done.
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