【正文】 soil and snow for a longer period. The authors of the Ambio study examined samples of the upper layers of soil taken from the same sites of 30 forest floors in New England, New York and Pennsylvania in 1980 and in 1990. The forest environment processed and redistributed the lead faster than the scientists had expected. Scientists say both studies demonstrate that certain parts of the ecosystem respond rapidly to reductions in atmospheric pollution, but that these findings should not be used as a license to pollute. 57. The study published in the journal Nature indicates that ________. A. the Clean Air Act has not produced the desired results B. lead deposits in arctic snow are on the increase C. lead will stay in soil and snow longer than expected D. the US is the major source of lead pollution in arctic snow 58. Lead accumulation worldwide decreased significantly after the use of unleaded gas in the US _____ . A. was discouraged B. was enforced by law C. was prohibited by law D. was introduced 59. How did scientists discover the source of lead pollution in Greenland? A. By analyzing the data published in journals like Nature and Ambio. B. By observing the lead accumulations in different parts of the arctic area.. C. By studying the chemical elements of soil and snow in Northeastern America. D. By paring the chemical positions of leaded gasoline used in various countries. 60. The authors of the Ambio study have found that ________. A. forests get rid of lead pollution faster than expected B. lead accumulations in forests are more difficult to deal with C. lead deposits are widely distributed in the forests of the US D. the upper layers of soil in forests are easily polluted by lead emissions 第二節(jié)：閱讀下文，根據(jù) (AF)給出的相關(guān)信息，將最合適的段落與之進(jìn)行匹配，并在答題紙上將相應(yīng)選項(xiàng)的標(biāo)號(hào)涂黑。s part of a pattern for the heavily industrialized cities, says Dana Johnson, an economist in Detroit. There39。 The town I live in is about to put cameras at all traffic lights to catch people who run red lights． It 21 me of how many people I’ve seen who take the yellow light as a 22 to go faster． I also can’t understand why people don’t move when the traffic light has turned green． Above all, there are those 23 situations in which someone doesn’t even 24 that the light turns red, and just keeps going． That is why so many 25 happen! All these situations make me 26 the purpose of traffic lights． 27 , it’s even more frightening to imagine letting people make their own decisions at 28 crossroads． Do the biggest cars get to go first? Who decides who goes next? So I guess I do like the idea of a system to 29 traffic． And I’ll do my best to 30 the traffic rules: to go, to be cautious, and to stop when I’m 31 to． It occurs to me that my 32 have done much the same for me 33 teaching me how to live． They have given me many 34 lights: to get along well with others, to listen and talk to them, to help others, and to 35 with joy and purpose． They have also given me some red lights 36 my life goes astray（誤入歧途） : not to be greedy, to keep my temper, and to control my desires． And there 37 have been some yellow caution lights: to watch how much I drink, to keep control of my behavior, and to 38 school regularly and work hard． If I obey these rules, my life will be as 39 as it can be． Just as I’m wise to pay attention to the traffic lights when I’m walking across the street, I’m wise to pay attention to the“ 40 signals” given to me by my parents． 21． A． suggests B． informs C． reminds D． warns 22． A． sight B． signal C． message D． switch 23． A． instant B． exciting C． dangerous D． cautious 24． A． notice B． sense C． remember D． feel 25． A． events B． problems C． situations D． accidents 26． A． think of B． wonder about C． care for D． worry about 27． A． Besides B． Anyway C． Instead D． However 28． A． noisy B． narrow C． crowded D． key 29． A． control B． direct C． improve D． serve 30． A． learn B． obey C． protect D． carry 31． A． supposed B． used C． devoted D． delighted 32． A． teachers B． friends C． leaders D． parents 33． A． in charge of B． in face of C． in terms of D． in danger of 34． A． safe B． green C． beneficial D． helpful 35． A． live B． share C． work D． municate 36． A． unless B． when C． before D． till 37． A． still B． even C． only D． also 38． A． start B． attend C． leave D． miss 39． A． good B． colorful C． meaningful D． healthy 40． A． traffic B． light C． life D． confidence 第二部分：閱讀理解 (第一節(jié) 20 小題。 in harmony B． be adjusted。 one B. a。 本試題卷分第 I 卷和第 II 卷兩部分。 1. He is a very hardworking student． ________． As far as I know, he often burns the midnight oil． A． You can say that again B． Absolutely not C． Heaven knows D． No way 2. Of the two brothers, Bill is _____ younger one, and he is a quiet boy, _____ that most adults like very much. A. a。 the one 3. All the tasks _ahead of time， they decided to go on holiday for a week. A. had been finished B. were finished C. having been finished D. been finished 4. How long is it ______ we last spent the holiday in the country together? A. before B. until C. since D. that 5. She has bee a lawyer , _____she hoped to be. A. what B. which C. who D. why 6. This job is great ___ salary. However, it has several disadvantages such as long working hours and inconvenience working place. A. except B. in addition to C. thanks to D. in terms of 7. He ___ such a stupid mistake had he taken my advice seriously. A. would not ha