广告调研的主要技术主要有哪些？
参考答案：
广告调查表的设计、广告调研的询问技术
In________，people in that village were very poor.
A．1920s
B．the 1920s
C．1920's
D．its 1920s
姆趾跖趾关节关节囊跖面有几个籽骨？（）
A.0
B.1
C.2
D.3
E.4
