阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。Imperial Mountain Resort in Chengde used to be the resort of emperors of Qing Dynasty. Situated in the city of Chengde in northeastern Hebei Province, the resort is {#blank#}1{#/blank#} (convenient) accessible by either train or long-distance bus. And the resort, {#blank#}2{#/blank#} constructions started in 1703 and took 89 years to complete, is regarded as one of China's four famous gardens.
Surrounded by lakes, forest and mountains, it is China's {#blank#}3{#/blank#} (large) existing imperial garden and the former summer capital of the Qing Dynasty, {#blank#}4{#/blank#} (cover) an area of 5.64 million square meters. The size of Chengde Summer Resort is as big as that of the Forbidden City and the Summer Palace {#blank#}5{#/blank#} (combine). The 10-km-long wall around it winds its way through plains and high mountains {#blank#}6{#/blank#} the Great Wall.
The resort and the 12 Buddhist temples at its periphery (外围) were built during the Qing Dynasty. It served as the second political center of the Qing imperial court {#blank#}7{#/blank#} the emperors of the early Qing Dynasty often spent their summers there, conducting state {#blank#}8{#/blank#} (affair) and engaging in important political activities. The resort and its outer temples and palaces have made Chengde {#blank#}9{#/blank#} famous historical and cultural city, and one of China's leading scenic spots. The Imperial Resort {#blank#}10{#/blank#} (list) in the directory of the world's cultural heritages in 1994.
