1 . 阅读下面材料,在空白处填入适当的内容或括号内单词的正确形式。
The Great Wall
The Great Wall, a 1 (memory) landmark, is one of the most appealing attractions in China. It 2 (fascinate) the minds of many in the world in the past several decades.
The Great Wall resembles a Chinese dragon circling the mountains, 3 (wind) its way westwards over the vast land of China. 4 (doubt), looking down at the Great Wall from the sky is amazing. As early as the Spring and Autumn Period, each principality (候国) in China constructed its own “great wall” 5 (defend) itself from enemies. They built many a “great wall” in the early days, 6 extended several hundred li length. The Chinese name “Chang Cheng” or “Long Wall” came 7 existence because of the length of the wall. According to 8 (record) put down in Chinese literature, as many as 20 principalities and dynasties took part in reconstructing the Great Wall. If we add the length of the wall 9 (build) in each dynasty, the total comes to over 50,000 km.
The Great Wall is a symbol of Chinese civilization, It has been put down on the World Heritage List. It is 10 wonder of the world and the pride of China.