1、 focused on a highly 48 topic and emphasized ways of knowing. Under a new plan, the curriculum would be replaced with a set of 49 Harvard College Courses, emphasizing knowledge over methodology and 50 wider territory. A life sciences course, for example, might combine molecular and evolutionary biol
2、ogy and psychology, rather than focusing on one of those, said Benedict Gross, Harvard College dean.41. A. inspecting B. reviewing C. searchingD. underlying42. A. in accordance with B. in line with C. in charge ofD. in response to43. A. update B. uphold C. upsetD. upward44. A. trust-worthy B. note-w
3、orthy C. praise-worthyD. reward-worthy45. A. turn out B. turn in C. turn toD. turn over46. A. In spite of B. As if C. Let aloneD. Rather than47. A. perish B. destroy C. abolishD. denounce48. A. appropriate B. imaginative C. specialD. specific49. A. optical B. optional C. oppositeD. optimistic50. A.
4、sparing B. spiraling C. spanningD. sparklingPART IV READING COMPREHENSION (45 minutes, 30 points, 1 point each)Passage OneA report published recently brings bad news about air pollution. It suggests that it could be as damaging to our health as exposure to the radiation from the 1986 Ukraine nuclear
5、 power disaster. The report was published by the UK Royal Commission on Environmental Pollution. But what can city people do to reduce exposure to air pollution.? Quite a lot, it turns out.Avoid walking in busy streets. Choose side streets and parks instead. Pollution levels can fall a considerable
6、amount just by moving a few meters away from the main pollution source-exhaust fumes(烟气). Also dont walk behind smokers. Walk on the windward side of the street where exposure to pollutants can be 50 percent less than on the downwind side.Sitting on the drivers side of a bus can increase your exposu
7、re by 10 percent, compared with sitting on the side nearest the pavement. Sitting upstairs on a double-decker can reduce exposure. It is difficult to say whether traveling on an underground train is better or worse than taking the bus. Air pollution on underground trains tends to be, less toxic than
8、 that at street level, because underground pollution is mostly made up of tiny iron particles thrown up by wheels hitting the rails. But diesel and petrol fumes have a mixture of pollutants.When you are crossing a road, stand well back from the curb while you wait for the light to change. Every mete
9、r really does count when you are close to traffic. As the traffic begins to move, fumes can be reduced in just a few seconds. So holding your breath for just a moment can make a difference, even though it might sound silly.There are large sudden pollution increases during rush hours. Pollution level
10、s fall during nighttime. The time of year also makes a big difference. Pollution levels tend to be at their lowest during spring and autumn when winds are freshest. Extreme cold or hot weather has a trapping effect and tends to cause a build-up of pollutants.51. What is the passage mainly about? A.
11、How to fight air pollution in big cities. B. How to avoid air pollution in big cities. C. How to breathe fresh air in big cities. D. How serious air pollution is in big cities.52. According to the report, air pollution in big cities _.A. can be more serious than Chernobyl nuclear disasterB. cannot be compared with the disaster in ChernobylC. can release as damaging radiation as the Chernobyl disasterD. can be more serious than we used to think53. When you walk in a busy street, you should walk on the side _