问题
选择题
Now the workers in the firm are laying on oil pipeline the desert .
A．between B．among C．over D．across
答案
D
考查介词辨析。Between两者之间；among三者或三者以上之间，over在...之上，越过... 在...期间，超过,多余；across横越,穿过；在...那边；句意：现在公司里的工人正在铺设横穿沙漠的石油管道。