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With the development of science,more new technology      to the fields of IT.
A．has introducedB．is being introduced
C．is introducedD．was introduced
B
考查動詞語態(tài)。句意：隨著科學的發(fā)展，更多的新技術正在被引進IT業(yè)。表示目前正在發(fā)生的事情，用現在進行時的被動語態(tài)。
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