…Around 9,000 years ago, this ice melted, leaving behind about 100     1    . Soon after, reindeer began to arrive. Following the reindeer were the Sami people, who made this territory their home. … Though the Sami are allowed to continue their traditional way of life in the park, no one else can live here, and all new development is     2     within park     3    . At the far side of the valley, an ancient Sami cottage is     4    . …

    1     (坐落于最小的大洲，澳大利亚占地面积为 7,692,024 km²) with a population of about 24 million.     2     (澳大利亚是一个气候干旱的国家，只有沿海几个地区有充足的降雨). It consists of six states, of which the New South Wales is the oldest one. Australia is famous for its huge open spaces and bright sunshine. Down by the sea,     3     (海浪的咆哮和海鸟的鸣叫构成了海岸的乐曲). Having been separated from other continents for millions of years, Australia has many plants and animals that can’t be found anywhere else in the world.     4     (坐拥大量的旅游名胜，澳大利亚吸引五湖四海的游客来此欣赏美景).

The benefits of a degree are not obvious to people who live on this remote island. Families have a    1     lifestyle, hunting walruses, whales and other sea animals in the spring, and gathering berries in the summer. The largest employer is the school system;     2    , there are only a handful of jobs in fishing, oil and the airlines that connect the island to the mainland. There isn’t much demand for anything else and more than a quarter of adults are     3    .

Today two villages remain with a population of just 1,400. People there are used to the     4    landscape and climate—in the summer, fields of grassy frozen ground     5     from snow-capped mountain ranges to the stony shorelines, but in the winter the sun disappears, there is a lot of snow, and polar bears arrive on ice floes. Leaving the island is not an option, as a ticket on a bush plane costs $400, a week’s earnings for many islanders. The sense of     6    is strong. When a whale is killed, the houses and school empty as everyone races to the beach to take a share of the meat.

In the 1400s and 1500s, Peru was the centre of the powerful ancient Inca Empire. The Inca emperor lived in the     1     Machu Picchu. Spain took control of Peru in the 16th century and ruled until 1821. It is for this reason that Spanish is the main     2     of Peru.

Michael Jordan, known as “Air Jordan”, changed basketball with his graceful moves and jumps. His skills were impressive, but the     3     that he showed made him unique.

Tangshan started to revive itself and     4    . With strong support from the government and the     5     of the city’s people, a new Tangshan was built upon the earthquake ruins.

The Great Wall twists and turns a    1     the tops of mountain chains in n    2     China. It is m    3     than 4,000 kilometers l    4    . Building the wall took a long time. It began in the fifth century BC, and the wall finally took shape in the third century BC. From Beijing, you can visit the great wall at Badaling, kilometers north-west of the city.

The Great Wall at Badaling o    5     at 6:30 a.m. and closes at 5 p.m. in the summer. The scenery along the Li River in Guiling is just l    6     a beautiful p    7    . Take a boat t    8    , and you will be a    9     by the peaks along the r    10     and their reflections in the clear w    11    . Walking and cycling in Guiling is also great f    12    . Along the paths near the river you can see local village l    13    , and you can t    14     a mud bath in the n    15     caves.

To their credit the four countries     1     work together in some areas（eg, the currency and international relations）, but they will have very different institutions.

England is the largest of the four countries, and for,     2     it is divided roughly into three zones. . . You find most of the population     3     in the south, but most of the industrial cities in the Midlands and the North of England. Although, nationwide, these cities are not as large as     4     as China, they have world-famous football teams and some of them even have two!