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ed? — We anize it once a year. A. When is B. How often does C. When will D. How often is ( )15. — You don’t look yourself today. ____________? — Nothing much. It’s just a slight cold. A. What’s the matter B. How are you going C. Are you serious D. How is the matter 二 . 完形填空(每小題 1分,共 10分) Antarctica is in the most 16 part of the world. It’s like nowhere else 17 the earth. It’s nearly twice the size of Australia, much 18 than Europe. Antarctica is the 19 and windiest place in the world, even colder and windier than the Arctic. In summer, the sun shines for twentyfour hours a day. 20 in winter, it’s pletely dark for about three months. Very 21 plants grow there, but there is some wildlife, like sea lions and penguins (企鵝 ). When Captain James Cook traveled around Antarctica by ship 22 , he found nobody living there. Today, a few 23 are studying the Ozone Hole (臭氧空洞 ) in Antarctica. The ozone layer (臭氧層 ) is getting thinner and thinner. The biggest “hole” is over Antarctica, and the 24 there is being warmer. These scientists are thinking about ways to 25 Antarctica. Maybe they will find some useful methods soon. ( )16. A. southern B. northern C. eastern D. western ( )17. A. over B. at C. on D. above ( )18. A. smaller B. larger C. smallest D. largest ( )19. A. coldest B. hottest C. wettest D. driest ( )20. A. So B. But C. Because D. Since ( )21. A. few B. little C. many D. much ( )22. A. in 1770s B. in the 1770 C. in the 1770s D. in the 1770s’ ( )23. A. scientists B. teachers C. doctors D. policemen ( )24. A. water B. weather C. surface D. area ( )25. A. present B. tour C. increase D. protect 三 . 閱讀理解 (每小題 2分,共 20分) A MSF stands for Medicos Sin Fronteras. It’s also known as Doctors Without Borders (無國界醫(yī)生 ). Medicos Sin Fronteras is French. This anization was set up by some French doctors in 1971. Since then, MSF has sent trained doctors all over the world to help people who have suffered from disasters, such as wars and illness. Now, about 3,000 doctors and nurses work for MSF. And over 27,000 doctors have volunteered for MSF so far. The anization received the Nobel Peace Prize in 1999. All kinds of doctors can volunteer for MSF. They need to be ready to go almost anywhere in the world and, of course, they should face difficulties. Most of MSF’s work is in Africa. When MSF chooses doctors for a task, they have to go for at least six months. When doctors have pleted a few tasks and bee experienced, they might be sent on an emergency (緊急的 ) task following a disaster, such as an earthquake. But why would doctors leave a fortable life and a good pay to join MSF? Some of them say the experience they have is a great help in their life. And they say that