第一节 完形填空（共20小题，每小题1.5分，满分30分）
阅读下列短文，从每题所给的四个选项中，选择最佳选项，并在答题卡上将该项涂黑。
Antarctica（南极洲） is like no other place in the world. It is 41 . It is very big. It is like the United States and Australia together. Antarctica is the 42 place in the world. The temperature is sometimes -1250F (-870 C). August and September are the coldest months because there is no 43 . Antarctica（南极洲） is the highest continent, about 10,000 feet high. Antarctica also has very strong winds. The wind sometimes 44 as fast as two hundred miles an hour. It is also the driest place in the world.
Antarctica is also 45 . There are huge glaciers（冰川） and ice everywhere. A glacier is an area of ice that 46 slowly. The ice and glaciers are beautiful. But most plants and land animals cannot 47 0n the ice. There are no trees, no rivers. and no cities in Antarctica. Only penguins and other sea birds live there. Antarctica does not 48 any one country 49 , every country owns Antarctica. More than twenty countries have stations in Antarctica. A station is a place where scientists do experiments. The 50 are the only people who live in Antarctica.
Life on an Antarctica station is 51 It is like life .on a space station. The sun shines for six months, and then it is 52 for six months. People usually have ‘problems with sleeping and eating. They eat more 53 they are not busy. In an emergency, it is hard to get 54 . Once, an American doctor Nielsen realized she was 55 . She had cancer. It was winter, and airplanes could not 56 in Antarctica. Dr. Nielsen had no choice but t0 57 . An airplane dropped medicine to her, and she 58 herself. Several months later, Dr. Nielsen 59 to the United States to get special medical help.