At present nanotechnology(纳米技术), a kind of tip science______to the common peopleFew people know him.

admin2011-01-15  35

问题 At present nanotechnology(纳米技术), a kind of tip science______to the common peopleFew people know him.

选项 A、unknowing
B、unknown
C、known
D、untrue

答案B

解析
转载请注明原文地址:https://kaotiyun.com/show/GuvC777K
本试题收录于: 英语题库成考专升本分类
0

最新回复(0)