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　　Since the 1940s, southern California has had a reputation for smog. Things are not as bad as they once were but, according to the American Lung Association, Los Angeles is still the worst city in the United States for levels of  26  .Gazing down on the city from the Getty Center, an art museum in the Santa Monica Mountains, one would find the view of the Pacific Ocean blurred by the haze(霾).Nor is the state’s bad air  27  to its south. Fresno, in the central valley, comes top of the list in America for year-round pollution. Residents’ hearts and lungs are affected as a  28  .

　　All of which, combined with California’s reputation as the home of technological  29  ,makes the place ideal for developing and testing systems designed to monitor pollution in  30  .And that is just what Aclima, a new firm in San Francisco, has been doing over the past few months. It has been trying out monitoring that are  31  to yield minute-to-minute maps of  32  air pollution. Such stations will also be able to keep an eye on what is happening inside buildings, including offices.

　　To this end, Aclima has been  33  with Google’s Street View system. Davida Herzl, Aclima’s boss, says they have revealed pollution highs on days when San Francisco’s transit workers went on strike and the city’s  34  were forced to use their cars. Conversely, “cycle to work” days have done their job by  35  pollution lows.

　　26. M)pollutants

　　【語法分析】根據空格前的the level of可知，of為介詞，后面應該加名詞，構成介詞短語，同時與for構成原因狀語。

　　【語義分析】根據開篇句中的“smog”霧霾可知，本文與環境有關。“pollutants”污染物，符合題意，“the level of pollutants”污染物等級，故選M。

　　27.N)restricted

　　【語法分析】Nor放在句首倒裝，正常語序應為The state’s bad air is not to its south. 因此需考慮存在be to 結構的單詞。符合的有intended和restricted。

　　【語義分析】be intended to打算、旨在，be restricted to局限于。根據語義可知，該州的空氣污染并非局限于其南部地區，故選N。

　　28. C)consequence

　　【語法分析】根據空前的a 可知，冠詞后應加單數可數名詞，同時又能與as a構成搭配。符合的有consequence。

　　【語義分析】as a consequence“結果”，相當于as a result，固定搭配。致使居民的心臟和肺部受到感染，語義通順，故選C。

　　29. J)innovation

　　【語法分析】根據空前的technological “科技的”可知，形容詞后應加名詞。

　　【語義分析】文中提到加利福尼亞有技術 之鄉的美譽，符合語義的只有innovation創新，科技創新，故選J。

　　30. F)detail

　　【語法分析】根據空格前的in可知，介詞后應加名詞。

　　【語義分析】detail細節，in detail固定搭配，詳細地。本句譯為：使得這個地方十分適用于研發及檢測污染全面監測系統，故選F

　　31. K)intended

　　【語法分析】be to，與前文一樣，此處需要填入能與之搭配的單詞。

　　【語義分析】此處只有intended符合，be intended to，打算、旨在。旨在生成實時地圖……，故選K。

　　32. L)outdoor

　　【語法分析】根據空格前的of 可知，其后應加名詞。air pollution名詞詞組，因此此處應為形容詞，起修飾作用。符合的有domestic、outdoor。

　　【語義分析】下文講到，這種監控站也會關注著建筑物內部的污染情況, 所以根據inside “在……里面”可知，此空應填outdoor，“戶外的、室外的”，室外空氣污染，故選L。

　　33. B)collaborating

　　【語法分析】根據空前的have been可知，此空應填入分詞。Aclima前文提到是一家公司，應表示主動，所以此處應填現在分詞。符合的有collaborating和creating。

　　【語義分析】collaborate with與……合作，creat創造，故選B。

　　34. I)inhabitants

　　【語法分析】由空前的city’s 可知，此處應填名詞。符合的有consumers和inhabitants。

　　【語義分析】inhabitants居民，consumers消費者。城市居民只好使用汽車，inhabitants符合語境，故選I。

　　35. E)creating

　　【語法分析】根據空前的by可知，介詞后應加名詞或動名詞。符合的只有creating。

　　【語義分析】creating pollution lows 降低污染

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