◎ 题干
It is reported that a new racing car made from vegetables and powered by chocolate ______in
May, 2009.
[     ]
A. will be launching  
B. was launched  
C. has been launched  
D. has launched
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“It is reported that a new racing car made from vegetables and powered by chocolate ______in May, 2009.[ ]A. will be launching B. was launchedC. has been laun…”主要考查了你对  【一般过去时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。