土地登记以( )为单位进行。
A.土地使用者
B.土地所有者
C.宗地
D.地块
参考答案:C
The man tried to break into the shop during the night, but got ________ in the chimney. [ ]
A. stuck
B. to be stuck
C. sticking
D. to stick
简述针对中年消费者群体特征应采取的心理营销对策。