土地被科学家们称之为“面包房”,然而我国13个省的三十三点四万平方千米的土地正受到沙漠化威胁。横线上的数写作______。
33.4
More Chinese silk ______ in the world market now than before. [ ]
A. is sold
B. are sold
C. sold
D. is selling
在互联网上开展营销活动的“网络营销”英文翻译是()
A.Cyber Marketing
B.Internet Marketing
C.Network Marketing
D.E-Marketing