The history of the Great Wall is said to start from the Spring and Autumn Periods. Many countries appeared at the same time. In order to protect    1    (they), they all built walls on the borders.

In 221BC, Emperor QinShihuang set up the first unified kingdom in Chinese history. He ordered the previous wall sections of different states be linked together and extended. The Great Wall of Qin seemed like a dragon,     2    runs from Lintao in the west to Liaodong in the east. Thus it     3    (name) “Wanli Changcheng”

In the Western Han Dynasty, the Huns(匈奴人) in the north became much     4    (powerful).The Han court started to build more walls in order to guard the frontier. The     5    (follow) dynasties all built their own walls     6     on a smaller scale than the walls in the Han Dynasty. The strong Tang Dynasty saw peace between the northern tribes and central China for a long time, so few Great Wall sections were built in this period.

The Ming Dynasty is the peak of wall building in Chinese history. The Ming suffered a lot by troubles from     7     (minor) tribes. The Ming court, from its first emperor to the last, endlessly built walls in the north.     8     made the country much safer in this period were those countless walls and watchtowers.

Owing to its long history, natural disasters and human activities, many parts of the Great Wall are badly damaged and disappearing. Being a world-famous engineering project and seeing the rise and fall     9    the Chinese history, the Great Wall needs to take immediate action    10    (protect) it.

Paper lanterns are beautiful decorative lanterns     1    (original) made of rice or silk paper, covering a light source. They have been used     2    (decorate) rooms during festivals and other important     3    (occasion) for hundreds of years. Nowadays,    4    (hang) lanterns is still one of the traditional customs in many places.

Due     5    the thin covering of paper lanterns, the lanterns are very beautiful when they are lit. Different paintings and designs     6    (attach) to the thin covering that make the lantern more attractive. The only color not traditionally used in making paper lanterns is white; it is often used in memory of     7    dead in many Asian cultures. Paper lanterns have various shapes and sizes. A common design is the ball or globe design,     8    holds its shape by being stretched(伸展) over bamboo strips.

It is very unusual today to see paper lanterns that hold candles, unless the paper     9    (use) is fire resistant(耐火的). It's simply too easy for them to catch fire, otherwise. So in modern times, for     10    (safe), people often use a small electric light instead of a candle to avoid possible fires.