with the develoment of computer science ,more new technology____to teaching ,which makes teachingand learning easy and effective.A.has introduced B.has been introduced C.was introduced D.was introducing

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withthedevelomentofcomputerscience,morenewtechnology____toteaching,whichmakesteachingandlearningeasy

with the develoment of computer science ,more new technology____to teaching ,which makes teachingand learning easy and effective.A.has introduced B.has been introduced C.was introduced D.was introducing
with the develoment of computer science ,more new technology____to teaching ,which makes teaching
and learning easy and effective.
A.has introduced B.has been introduced C.was introduced D.was introducing

with the develoment of computer science ,more new technology____to teaching ,which makes teachingand learning easy and effective.A.has introduced B.has been introduced C.was introduced D.was introducing
B

选B

B。“随着计算机科学的发展,更多的新技术被引用到教学中,这样使“教和学”容易并且有效果了”
现在完成时的被动语态

选B, 被动语态,被引入,被引进到
该句翻译为 随着计算机技术的发展,更多的新技术已经被引入教学,这使得教学更为容易和有效。