With the fast development of computer and Internet technologies, traditional printed books by the growing popularity of online reading of e-books.
A. are challenged
B. have challenged
C. are being challenged
D. have been challenged
With the fast development of computer and Internet technologies, traditional printed books
答案:2 悬赏:30 手机版
解决时间 2021-01-03 22:03
- 提问者网友：献世佛
- 2021-01-03 14:04
最佳答案
- 五星知识达人网友：摆渡翁
- 2021-01-03 15:16
A. are challengedB. have challenged (答案→)C. are being challengedD. have been challenged解析：考察时态和语态。根据句意可知本题应该使用被动语态，排除B项。根据句意可知传统的印刷书本正受到电子书的挑战。
全部回答
- 1楼网友：英雄的欲望
- 2021-01-03 15:44
和我的回答一样，看来我也对了
我要举报
如以上问答信息为低俗、色情、不良、暴力、侵权、涉及违法等信息，可以点下面链接进行举报！
大家都在看
推荐资讯