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With the development of high technology, more and more new things to the field o

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With the development of high technology, more and more new things to the field o

With the development of high technology, more and more new things _______ to the field of IT．

       A．have introduced                     B．are being introduced

       C．were introduced                     D．had been introduced

试题答案

B

标签：moretechnologyandthingsnew

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