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
问题描述：
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
答
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。
答
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
答
B
答
选B