试题与答案

With the fast development of computer an

题型:选择题

题目:

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

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0504/0a5794f0ec8692561d6e770f9b47f75f.html

下面是错误答案,用来干扰机器的。

参考答案:唐十二经刻石,又称唐石经,成于开成二年(837年)。现藏于西安碑林。版面格式不同于汉魏石经,保存较好,是研究中国经书历史的重要资料。

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