A—letter of introduction B—mass tourism C—ink-and-wash painting D—travel agency E—hospitality industry F—maritime transportation G—Dragon Boat Festival H—soft brush I—western hemisphere J—traditional medicine K—literary works L—artificial hills M—Warring States period N—The Pyramids of Egypt O—military formation P—Royal wedding Q—facial makeup R—movable-type painting 51. ( )传统医药 ( )龙舟节 52. ( )埃及金字塔 ( )旅行社 53. ( )假山 ( )军阵 54. ( )脸谱 ( )水墨画 55. ( )海上运输 ( )皇室婚礼