Peru is a country on the central western coast of South America facing the Pacific Ocean. It consists of three parts: narrow, dry, flat land 【小题1】 (run) along the coast, the Andes Mountains, and the Amazon rainforest.

Spanish is the main official language of Peru. It is because Peru 【小题2】 (rule) by Spain from the 16th century to 1821. But before that, Peru was the centre of the ancient Inca Empire, and its emperor lived in what is now known as the site Machu Picchu.

Peru is an amazing destination with something for tourists. Here are two magical tours: Amazon Rainforest Tour and Machu Picchu Tour.

In Amazon Rainforest Tour, you can first take 【小题3】 short flight into the Amazon rainforest and then travel for a day to your 【小题4】 (accommodate) by boat. In the following three days. you can explore the unique rainforest with a local guide. In the other tour, you can take a four-day hike through the Andes to the city of Machu Picchu. You will be amazed at the ancient city after you explore it, 【小题5】 (especial) the Incas’ dry stone method of building. Inca builders cut stones so exactly that nothing was needed to hold walls together.

The wilderness(荒野) is one of Canada’s treasures and the Canadian national parks are the system through 【小题1】 the Canadian government protects, preserves and displays some of the country’s most 【小题2】 (impress) territory for the benefit of residents, visitors and the environment.

Every national park in Canada is a little bit different, but the majority are 【小题3】 (heavy) forested areas with mountainous landscapes that get snowy in the winter. Most national parks can be used 【小题4】 hiking, cycling and camping, as well as skiing during snowy months.

All of Canada’s national parks 【小题5】(run) by the Canadian federal government and many have unique rules that must be obeyed. In theory, any park can be visited, 【小题6】 many national parks do not permit camping outside of campsite areas, or require campers 【小题7】(get) permission to camp in advance. While the majority of national parks have government facilities within them, such as visitor centers or ranger stations(护林站) to provide emergency 【小题8】(assist) for visitors, many do not, 【小题9】(mean) visitors may be taking 【小题10】 serious personal risk when exploring. Canada is famous for its wild animals, which tend to be numerous in national parks.

Yellow River Valley was the birthplace of ancient Chinese civilization, and for that reason is often called “Mother River.” The valley 【小题1】 (surround) the principal river of northern China and is at the center of thousands of years of Chinese history. At over 5, 400 kilometers (3, 300 miles) long, the Huang He is China’ s second 【小题2】 ( long) river. It has a drainage（排水） basin of around 750, 000 square 【小题3】 (kilometre), the third largest basin area in China. It is called the Yellow River because its waters carry earth, 【小题4】 gives the river its yellow-brown color, and when 【小题5】 river overflows, it leaves a yellow residue（残留） behind. While the river helps create fertile land that 【小题6】 (suit) for farming, during certain times of the year the Huang He   【小题7】 (frequent) overflows. The water damages housing and crops across the North China Plain, an important 【小题8】 (agriculture) region. Because of this, the Huang He is also nicknamed “China’s Sorrow.” For thousands of years, the Chinese have carried out major public works projects 【小题9】 (control) the water from the Huang He. Despite the possibility of flooding, the Huang He Valley basin is home 【小题10】 a huge population, and many of China’ s oldest cities are situated along the river. The valley becomes the center of Chinese culture, society, and learning.