2015 . 12 . 12 . 실전 ( 수능 , 모의 , 내신 ) . 23 . 빈 칸 에 들어갈 말 로 가장 적절 한 것 을 고르 시 오 . The pleasures of contact with the natural world are not reserved just for the artists . They are available to anyone who will place himself under the influence of a lonely mountain top or the stillness of a forest . I believe natural beauty has a necessary place in the spiritual development of any individual or any society . I believe that whenever we destroy beauty , or whenever we substitute something artificial for a natural feature of the earth , we have slowed down man ’ s ( ) . 　　　　　　　.①　 scientific progress ②　 physical buildup ③　 natural instinct ④　 spiritual growth ⑤　 hiking speed