The computer in 1946 in America.

A. is inventedB. was inventedC. inventsD. invented

 

B

【解析】

試題分析：句意: 電腦是1946年在美國被發(fā)明的。根據(jù)句意可知這是一件過去的事情了，而且句子的主語computer 與invent 之間構(gòu)成被動的關(guān)系，故應(yīng)使用被動語態(tài)。一般過去時的被動語態(tài)應(yīng)是was/were + 過去分詞。故選B。A選項是一般現(xiàn)在時的被動語態(tài)；C是一般現(xiàn)在時，D是一般過去時，兩項沒有用被動語態(tài)。

考點：考查動詞。

 

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