2. 职称英语
  3. _ is mentioned above, a lot of work had been done to create man-made materials.A

_ is mentioned above, a lot of work had been done to create man-made materials.A

游客2025-03-12  18
问题 _ is mentioned above, a lot of work had been done to create man-made materials.
选项 A、That
B、Whether
C、As
D、if
答案 C
解析 本题为语境词汇题，这里需要一个单词表达“如上所述”的意思来指导前面所做的表述。唯有as引导的非限制性定语从句才能做到，关系代词as在句中作主语。所以答案为C)。
转载请注明原文地址:http://tihaiku.com/zcyy/3993374.html
相关试题推荐
随机试题
最新回复(0)