◎ 题干
A lot of new technology _____ into schools to make learning more effective these years.
 [     ]
A. introduced
B. has introduced
C. was introduced
D. is being introduced
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“A lot of new technology _____ into schools to make learning more effective these years. [ ]A. introducedB. has introducedC. was introducedD. is being introd…”主要考查了你对  【现在进行时的被动语态】  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。