会后()可以不包括在文件清退范围内。
A.保密文件
B.公司预算
C.待发新品资料
D.会议证件
参考答案：D
Traditional folk arts of Tianjin like paper cutting_______at the culture show of the 2010 Shanghai World Expo.
A．are exhibiting
B．is exhibiting
C．are being exhibited
D．is being exhibited
土壤中元素的分布
