小题1:D
小题2:A
小题3:B
小题4:C
文章主要是对德国慕尼黑啤酒节的介绍,包括他的创立和相关信息
小题1:事实细节题,根据第一段Celebrated in the city of Munich, Germany, the Oktoberfest, as it is popularly called, is a 3-week festival that takes place in the months of September and October可知。
小题2:事实细节题,根据第一段Also called the largest beer festival in the world可知,他是世界上最大的啤酒节。
小题3:事实细节题,根据第二段 but the place was originally founded by immigrants from Germany in the year 1850可知,最初是由一个德国人建立的
小题4:主旨大意题,文章主要是对德国慕尼黑啤酒节的介绍。