San Francisco is a great city, which was able to rebuild itself after the earthquake that     1     (occur) in 1906.There are so many beautiful old buildings－many     2     (sit) on top of big hills, offering great views of the city, the ocean, and the Golden Gate Bridge. Mission District is the oldest part of the city,     3     used to be a poor area, but now is a centre of art, music, and food. In fact, an art movement called the “Mission School” started here. It     4     (influence) by graffiti art and comic art.

In 1848，America got California     5     Mexico, and gold was discovered near San Francisco. The dream of     6     (seek) their fortune quickly attracted people from all over the world, so San Francisco quickly became a big city. In fact, few achieved their dream of     7     (become) rich.     8     (earn) a living, some opened    9     shops and restaurants, some found jobs on farms, and others went to build the railway.

It is those immigrants from different countries and cultures     10     built America.

Cusco is a popular destination for     1     (tourist), because of its unique place in the history of South America. Cusco     2     (be) the capital city of the Inca Empire     3     was the most powerful in South America until the 1500s. There are two     4     (especial) interesting things to admire about the Inca     5     (civilize). The first is the roads and paths they built     6     (connect) their important cities. These Inca roads were made     7    of two north-south high ways and many small roads crossing the mountains east to west. The roads were for soldiers and their     8     (office). Second, the Incas built wonderful cities full of     9     (amaze) architecture-but there were no markets in these cities. One of     10     (interest) questions of history is how the Incas lived without shopping.

Rising up in the countryside of Jiangxi Province, Mount Lushan was once one of the famous cultural     1     (center) of ancient China. In fact, its historical importance meant that it     2     (honor) as a World Heritage Site by UNESCO in 1996.

Located about 20 kilometres south of Jiujiang City, it runs eastwards to the Mufu Mountains. Dahanyang Peak, the highest peak of Mount Lushan,     3     (rise) 1, 474 metres above sea level. To the north, it offers    4     (impress) views of the Yangtze River, while to, the south it overlooks Poyang Lake.

As early as the Eastern Han Dynasty, a well-known Taoist leader,     5     (name) Zhang Daoling travelled to the mountain. During the Jin Dynasty, the Donglin Temple was built on the mountain by a person called Huiyuan. From then on, many temples began coming up across the mountain, until there were over 300 of them.

However, Mount Lushan didn’t become truly famous until the Song Dynasty. During that time, it was rebuilt by Zhu Xi,    6    was the founder of Neo-Confucianism (理学). Due    7     his efforts, this place became one of the Four Great Academies of China. By the 19th century, it had become into an     8     (extreme) large place, with its own temples, study halls, and libraries. Overtime, countless writers and artists have sung the mountain’s praises,    9     (leave) over 900 works of art.

Nowadays, with its beautiful l views and famous temples, the mountain range is     10     popular tourist attraction.

Built in the 3rd century B.C, Dujiangyan Irrigation System,    1    still controls the waters of the Minjiang River and distributes it to the fertile farmland of the Chengdu plains, is a living heritage of 2,000-year-old design and engineering ideas. It has been     2     (complete) preserved, with all necessary features     3     (demonstrate) the outstanding universal value. They express the importance of using natural features to their fullest in constructing an irrigation system. The Dujiangyan irrigation system, located in the western part of the Chengdu flatlands at the meeting place     4    the Sichuan basin and the Qinghai-Tibet plateau, is     5    ecological engineering achievement originally constructed around 256 BC. Enlarged during the Tang, Song, Yuan and Ming    6     (dynasty), it uses natural features to solve problems of making water change direction for irrigation, flood control, and flow control without the use of dams.

There are three major parts of this irrigation system. The first is a well-designed levee (堤坝)named Yuzui (Fish Mouth) in the middle of the river that was shaped     7     (control) the amount of water that enters the two channels. The second is a channel of the irrigation project called Baopingkou (Cherished Vase Mouth) whose narrow opening regulates the amount of water entering the system. The third is a spillway called Feishayan    8     (dig) to discharge water, sand and mud.

The system     9     (produce) comprehensive benefits in flood control, irrigation, water transport and general water    10     (consume) since it was begun over 2,250 years ago. It now irrigates 668,700 hectares of farmland.

The Taj Mahal, in India, is considered one of the most beautiful buildings in the world. It     1    (build) nearly 400 years ago by a ruler named Shah Jahan for     2     (he) wife, Mumtaz Mahal. The building of the Taj Mahal took about twenty years. Depending on the season and the time of day, the white monument (纪念碑) takes on     3    (difference) colors. But over the years, the Taj Mahal has been changing color even more and not    4    a good way because of the     5     (serious) polluted air from nearby factories and cars. In the 1990s, India’s Supreme Court ordered     6     number of factories near the monument to close. Also, car and bus traffic was restricted (限制).

From time to time,     7     (worker) use a mud paste (泥巴膜) to remove dirt from the Taj Mahal’s surface. But     8     (clean) the monument is expensive and time-consuming (耗时的). And it doesn’t prevent the discoloration (不褪色).

More action needs to be taken     9    (protect) the Taj Mahal. “We are trying, but we need to try harder,” said Sachchida Nand Tripathi,     10    worked on a 2014 study of the Taj Mahal.

Ever dreamed of swimming in a lake of Coca Cola? Well, you can actually do just that at the unique Coca Cola Lagoon (湖) in Rio Grande do Norte, Brazil,    1     the water has the exact same color as the popular soft drink.

Looking at the water of Lagoa da Araraquara, it’s easy to see why it is popularly known as Coca Cola Lagoon. It has the same dark color，but very different    2    (element) and no carbonation (碳化).    3     (locate) on the south coast of Rio Grande do Norte, just under 100 km from Natal，Coca Cola Lagoon is one of    4    most popular tourist destinations in the Brazilian state. Kids love it,    5     (especial) when they hear of    6    (it) nickname, but some adults are put off by the dark coloration of the water.

During the summer, the shallow water of the Coca Cola Lagoon becomes very warm,    7     (make) it the perfect spot for a family bathing session. There are also those who believe that the chemical combination that    8    (give) the water its Coca Cola-like color also has a positive effect    9    health.

So if you’re ever in the Baia Formosa region of Rio Grande do Norte, Coca Cola Lagoon is one    10    (attract) you don’t want to miss. After all, how often do you get to see a coca cold lake?

A small town in England is teaching the world that it is important     1     (grow) your own food. Any open space     2     (use) to grow fruit and vegetables. There are apples, pears, peaches, strawberries, cabbages and carrots, here and there. Everyone can pick them     3     free. Eight years ago, a woman named Pam in Todmorden dug up her rose garden. She planted vegetables, knocked down the garden walls and put up a sign     4     (say), “Help yourself.” Today, Pam has     5     (complete) changed the town. A new town has been born,     6     is called “Incredible Edible Todmorden”. Pam explained why she thought the idea was popular. “It’s possible and positive. Many people know we have to change,     7     how we do that is a question.” So one day, gathered all the     8     (villager) together. They decided to do something different at once. They didn’t write reports. They didn’t ask for permission. They just did it. Only a short time later, Todmorden     9     (become) a big garden of fruit and vegetables. In Todmorden, there is a motto: If you eat, you are in. But that’s not all. There are     10     (many) than 700 edible towns popping up around the world, from Canada to Mali. People there think about food and protect the environment at the same time.