Who invented the tea bag? One popular legend says New York tea trader Thomas Sullivan invented     1     in 1908. The tea bag was a bag     2     (contain) a small quantity of tea leaves with which to brew a single cup (沏茶). Sullivan began marketing tea bags around 1908. He shipped     3     (variety) tea bags all over the world. One day, he decided to send samples to his     4     (customer) in small, hand-sewn silk bags instead of sealing the tea in expensive tins. He thought they would remove the tea leaves from the bags to brew tea,     5     they didn’t. Some of them     6     (simple) poured boiling water over the bags. When they     7     (write) to Sullivan that the silk was too waterproof to brew good tea, he switched to more porous gauze (多孔纱布) bags. More people were interested     8     buying Sullivan’s new tea bags. Individual tea bags became more popular during the 1920s, when machines     9     (invent) to make and pack them commercially.     10     Sullivan may not have invented tea bags, his successful marketing of an idea has put individual tea bags in nearly every kitchen in America.

On 30th September, the war epic The Battle at Lake Chang jin came to     1    (screen). As one of     2    (expensive) films ever made in China, it quickly shot to the top of the week-long National Day holiday box office,     3    (motivate) the domestic market to recover from the poor state for more than two months.

With well-known directors and all-star cast, the 176-minute-long film follows Chinese People's Volunteers who joined the battle, which turned     4     tide of the War to Resist US Aggression and Aid Korea (1950-1953). The movie recreates the violent     5     cruel conflict on the Korean Peninsula during the extremely cold winter of 1950, when temperatures dropped     6     (sharp) to the lowest level in 50 years.

In 1950, Chinese People’s Volunteers (CPV) Army     7    (enter) the Democratic People’s Republic of Korea (DPRK) to help to resist U.S. aggression. The heroic CPV soldiers and officers, together with the Korean people and     8    (arm)forces, risked their lives and fought hard to achieve     9    (they) ultimate victory in the war.

The Battle at Lake Chang jin has generated strong scores with Chinese film goers——9.5 on Maoyan and 7.6 on Dou ban,     10     should assure that it keeps its front runner position throughout the long holiday.

The trade routes are of great importance. In march, the Suez Canal, one of the world's most important sea trade routes,     1     (block) by a ship, causing an epic maritime traffic jam of nearly 300 ships between Europe and Asia. Besides the Suez Canal, China's ancient Silk Road also played     2     important role in trade and cultural exchanges between China and Europe.

In early history, The Silk Road was the most important trade route,     3     (mark) the beginning of globalization. As the first route     4     introduced the Eastern world to the Western civilization, the Silk Road in China can date     5     the Han dynasty in ancient China. In the following years in history, many great figures had made significant     6     (contribute) to the development of the Silk Road.

Though the Silk Road was mainly a trading route, it was     7     (benefit) to each other in the first place. It     8     (actual) made great attraction to the development of the civilization of the world, opening long-distance political and economic communication between Europe and Asia. The ancient Silk Road is more like a historical textbook, enabling people from different cultures and regions     9     (comprehend) what happened during the ancient time. Up to now, the Silk Road in China     10     (bring) great attraction to the tourism in China even in the world.

The history of Beijing glassware dates back to the early Ming Dynasty.     1     is said   that when people smelted（ 熔 炼 ）bronze, they    2     (discover) that some waste materials could form beautiful colors. So, they began to use these materials to make handicrafts (手工艺品 ),    3     then became the earliest forms of glassware.

During the Ming and Qing dynasties, glassware handicrafts were mainly used as decorations for the members of     4     (royal). Besides, in the Qing Dynasty, they were also made    5     beads（ 珠 子 ）for the hats of officials.

After the founding of the PRC, the central government invested    6     (enormous) in Beijing glassware. Old glassware workers    7     (bring) together and a Beijing glassware factory was set up to make decorative glassware handicrafts. Those handicrafts became leading export    8     (product) at the time.

However, due to various reasons, Beijing glassware    9     (make) handicrafts   gradually declined. Only a few workers today have a mastery of the skill. After more than 600 years of development,    10     handcraft of Beijing glassware has been passed down to the   seventh generation. In 2008, Beijing glassware was added to the national intangible cultural heritage list.

The Sanxingdui Ruins site in Sichuan province is generally considered one of the most important archaeological (考古的) sites     1     the upper reaches of the Yangtze River. Six pits (坑) were newly discovered in the site.

“Thanks to the new discoveries, we've     2     (basic) figured out the layout of the sacrificial (祭祀的)zone of it.” said Lei Yu, a researcher at the Sichuan Provincial Cultural Relics and Archaeology Research Institute,     3     heads the ongoing excavation.

The about 12-square-kilometer site was discovered in 1929, and major breakthroughs were made in 1986 with the discovery of two pits     4     (believe) to be for sacrificial ceremonies. The pits were accidentally uncovered by local farmers     5    (dig) up earth to make bricks.

Lei pointed out that there were many     6    (similar) among the recently discovered pits and the two found in 1986. The recent discoveries     7    (far) confirm the theory     8     the pits were used for sacrificial purposes, as many of the items found     9    (burn) and smashed (破碎) before being buried. Nevertheless, some new types of artifacts have been unearthed. For example. in the No. 3 pit, archaeologists found two square zun jars, a typical ancient Chinese bronze ritual vessel (礼器) for holding water or wine. Such artifacts were not found in 1986. In the No. 6 pit, a 1.5-meter-long wooden box covered in cinnabar (朱砂) has brought a new mystery. Now a plan to open it     10     (draft).

Xi’an is     1     capital of Shaanxi province,     2     (locate) in the southern part of the Guanzhong Plain. Xi’an is recognized as one of     3     (important) cities in China, both     4     (history) and currently. Xi’an,     5     (call) Chang’an in ancient times,     6     (be) the capital region for 13 dynastic periods. It also has been the eastern end of the Silk Road, so Xi’an was the first Chinese city     7     (open) up its doors to the ancient world. Xi’an is surrounded by natural beauty,     8     (include) rivers, mountains, plains, and rolling hills. Xi’an, the eternal city,     9     (record) the great changes of the Chinese nation just like a     10     (live) history book.