题目

关于我国河流的叙述，正确的是A. 我国大多数河流自西向东流入太平洋 B. 外流区的河流，越往北汛期越长C. 西北广大地区的河流均为内流河 D. 东部地区的河流冬季都有结冰现象 答案：【答案】A【解析】受地形地势的影响，我国大多数河流自西向东流入太平洋．我国外流河的水文特征深受季风气候的影响．随着雨带由南向北推移，河流水量骤增，水位上涨，形成汛期．随着冬季风的加强，雨带南撤，河流的水量减少，水位逐渐下降，河流进入枯水期．以秦岭-淮河为界，以南地区的The news media in the U.S. consist of radio, television and newspapers. __36__they are common on the lives of many Americans and influential on their daily work. Many Americans __37__ their day reading a newspaper or __38__ a morning news program on television while drinking their coffee. While they are __39__ to work, the news can be heard on the car radio.__40__ the day the news is broadcast 41 on the radio and television. In the evening news is a prime feature on television __42__ up to two hours of news in the early evening and more news late at night. __43__ those who prefer reading, the evening newspaper 44 the reader the possibility of reading the news, and 45 see and hear on television. The news media are free of government __46__. It is up to the general public to __47__ what to read, watch or listen to. Therefore, the media must have a sensitivity( 敏感性) to the __48__ of the public. News is big business. However, it is a very competitive business, as each station or each paper__49__for audiences, and readers. Each tries to __50__ the news Americans want to know. When an item becomes newsworthy, __51__ an election or a war, Americans will become __52__ with the most minute details as the news media try their best to __53__ as informative as possible. But the __54 is that the news becomes repetitive. The news media report the same news items 55 are estimated(估计) to be the most interesting and impressive. 36. A. Really B. Together C. Quickly D. Naturally 37. A. begin B. spend C. take D. regard 38. A. treating B. observing C. enjoying D. watching 39. A. hurrying B. walking C. driving D. running 40. A. Of B. Throughout C. On D. Past 41. A. repeatedly B. loudly C. pleasantly D. surely 42. A. for B. through C. with D. by 43. A. To B. About C. Because of D. For 44. A. offers B. tells C. takes D. brings 45. A. another B. others C. some D. a few 46. A. capability B. opinion C. control D. rule 47. A. know B. elect C. need D. choose 48. A. interests B. similarities C. environment D. differences 49. A. stands B. competes C. looks D. searches 50. A. have B. carry C. present D. create 51. A. such as B. including C. except for D. in spite of 52. A. pleased B. familiar C. popular D. busy 53. A. believe B. find C. make D. think 54. A. end B. idea C. chance D. result 55. A. which B. what C. when D. where