The twentieth century has been a period of enormous growth in mathematical resea

游客2024-01-05 33

问题 The twentieth century has been a period of enormous growth in mathematical research and in the number of mathematicians and fields ______them.

选项 A、they require
B、requiring
C、require
D、as required

答案 B

解析

转载请注明原文地址:https://www.tihaiku.com/zcyy/3334748.html

相关试题推荐

随机试题

最新回复(0)

CITYARCHIVESAnineteenth-centurydocumentsBmapsCpersonalpapersDphotog