单选题 Assuming that a constant travel-time budget, geographic constraints and short-term infrastructure constraints persist as fundamental features of global mobility, what long-term results can one expect7 In high-income regions, (41) North America, our picture suggests that the share of traffic (42) sup plied by buses and automobiles will decline as high-speed transport rises sharply. In developing countries, we (43) the strongest increase to be in the shares first for buses and later for automobiles. Glob ally, these (44) in bus and automobile transport are partially offsetting. In all regions, the share of low-speed rail transport will probably continue its strongly (45) decline.
We expect that throughout the period 1990—2050, the (46) North American will continue to de vote most of his or her 1. 1-hour travel-time (47) to automobile travel. The very large demand (48) air travel (or high-speed rail travel) that will be manifest in 2050 (49) to only 12 minutes per person a day; a little time goes a long way in the air. In several developing regions, most travel (50) in 2050 will still be devoted to nonmotorized modes. Buses will persist (51) the primary form of motorized transportation in developing countries for decades. (52) important air travel becomes, buses, automobiles and (53) low-speed trains will surely go on serving vital functions. (54) of the super-rich al ready commute and shop in aircraft, but average people will continue to spend most of their travel time on the (55) .

单选题 A. frankly B. exceptionally C. unfortunately D. notably
【正确答案】 D
【答案解析】从语义上说，前者与后者呈递进关系，因此notably“特别突出的”符合要求。frankly坦白地；exceptionally例外的；unfortunately不幸地。
单选题 A. volume B. body C. measure D. funds
【正确答案】 A
【答案解析】volume与traffic搭配表示“交通流量”；body表示物体的主干部分，如车身、船身等； measure措施，方法；funds基金，专款。
单选题 A. admire B. assure C. assert D. anticipate
【正确答案】 D
【答案解析】前面对高收地区的分析用了“our picture suggests”表示预见。所以本处也应选用表示“预见”的选项，即anticipate(预料，期望)。admire羡慕；assure保证；assert声称，断言。
单选题 A. outcomes B. trends C. declines D. impacts
【正确答案】 B
【答案解析】trends倾向，趋势；outcomes结果，结局；declines下降；impacts影响，作用。只有B表示全球的发展趋向，符合句意。
单选题 A. inherent B. evident C. large-scale D. hidden
【正确答案】 B
【答案解析】低速列车在全球范围内下滑趋势很明显，因此选evident。inherent内在的，与生俱来的；large-scale大规模的；hidden隐藏的。
单选题 A. general B. common C. local D. average
【正确答案】 D
【答案解析】1-hour可以看出有“平均每个北美人”之意，因此选择average。general一般的，全面的；common相同或相似的东西；local当地的．
单选题 A. profit B. cost C. budget D. facility
【正确答案】 C
【答案解析】由短文第一句话中的“travel-time budget”可知此处填budget，表示“花费时间在……”。
单选题 A. in B. of C. at D. for
【正确答案】 D
【答案解析】demand for“需求，要求”，其他三个选项均不是合理搭配。
单选题 A. works out B. leaves out C. runs out D. puts out
【正确答案】 A
【答案解析】work out与to或at连用，表示“(费用或时间)达到，总共达……”；leave out遗漏；run out用完；puts out熄灭。只有A符合句意。
单选题 A. time B. desire C. agency D. means
【正确答案】 A
【答案解析】第二段的第一句话的主句结构是：somebody will devote some time to something。由此可见空格处应填时间，故选time。
单选题 A. to B. as C. with D. over
【正确答案】 B
【答案解析】as the form of...是固定搭配，意思为“以……形式”，因此选as。
单选题 A. Despite the fact B. Whatever it is C. No matter how D. whether or not
【正确答案】 C
【答案解析】此处主从句是让步关系，no matter how，despite the fact，whatever it is都表达让步的关系，但只有no matter how在结构上与important搭配。
单选题 A. plus B. including C. even D. as well as
【正确答案】 C
【答案解析】even可以用在and之后，plus，including和as well as都不能与and重复使用。
单选题 A. Few B. All C. None D. Some
【正确答案】 D
【答案解析】Few和None为否定代词，不符合句意。All过于绝对化。只有Some符合语义要求。
单选题 A. mountain B. ground C. sky D. land
【正确答案】 B
【答案解析】“on the ______”与前一分句的“in aircraft”形成对立，可以推断出“地面交通”的意思，因此应选ground。land指陆地，针对海洋而言。