三、完形填空(共15小题 ,计15分。)
阅读下面短文，掌握大意，然后从A、B、C、D四个选项中选出一个最佳选项。
Antarctica is the continent which is the most southern area of land on the Earth and is mostly __31____ with ice. This is one of the driest and__32____in the world. But people from all over the world come to 33 there. Near the South Pole, three thousand people live together in a place 34 Amundsen-Scott Station.
The station has libraries, cinemas, shops, sports rooms, canteens and laboratories（实验室）. There is electricity（电）, and they have 35 -- the system that they use to have a conversation（交谈）_36_____someone in another place. And they have 37 -- electronic machines that stores information and uses programs to help them find, organize, or change the information.
But the people here 38 travel by car, or train, or bus, because there arent any roads or railways near the station. They travel by ship, helicopter, plane, or snow tractor, or 39 dogs.
There aren 40 trees or flowers there, but there are hundreds of different birds and other animals.
Most of the people here are 41 . They study plant and animal 42____ and how ice moves. The ice can tell us about changes in climate. Ray Kingman is an expert at Amundsen-Scott Station, 43____us on the phone, This is my second year here. Its a very interesting and beautiful place, but life is very hard . In the summer we can go swimming in hot pools of water. We 44 new comers here for _45___study of the continent!
31. A. cover B. covered C. covers D. covering
32. A. warm areas B. coldest places C. cool areas D. hottest places
33. A. travel B. go sightseeing C. work D. enjoy themselves
34. A. called B. call C. calls D. calling
35. A. telephones B. radios C. televisions D. record players
36. A. to B. on C. with D. at
37. A. printers B icons C. mouses D. computers
38. A. don B. didn C. werent D. arent
39. A. with B. instead of C. on D. in front of
40. A. much B. any C. many D. either
41. A. teachers B. scientists C. doctors D. workers
42. A. life B. lives C. living D. alive
43. A. to tell B. telling C. says D. speak
44. A. bring B. take C. welcome D. make
45. A. farther B. further C. nearer D. nearest
答案：
31-35 BBCAA 36-40 CDAAB 41-45 ADBCD