2. 外语
  3. As tempting as it can be to let it all hang loose and stop worrying while on vacation, you do want to be aware of your ecologica

As tempting as it can be to let it all hang loose and stop worrying while on vacation, you do want to be aware of your ecologica

admin2012-05-04  10
问题     As tempting as it can be to let it all hang loose and stop worrying while on vacation, you do want to be aware of your ecological impact. Without a little planning, you may【C1】______ specific environmental and social issues in a given location. You are also inherently reliant on transportation that may be better or worse【C2】______ greenhouse-gas emissions. The synonym for the eco-savvy traveler is【C3】______.
    First of all, you should choose ecologically【C4】______modes of transportation. This means lessening or eliminating your dependence on travel【C5】______that result in heavy carbon footprints. Airplanes and cars【C6】______ significant amounts of greenhouse gases to the atmosphere. Walk or bicycle as much as possible—a good method of【C7】______yourself in your destination. Electric trains and buses are also examples of more efficient and cleaner【C8】______of mechanized travel.
    Secondly, investigate the agencies you may choose for your trip to find out their practices and reputations. Ask the company【C9】______ what they do for the local community and【C10】______ they run their operations. Some may contribute little economically to the area or they may【C11】______ engage in ecologically damaging practices,【C12】______ fuel-costly tours or excessive harassment of wildlife in the name of sightseeing.
    Thirdly, buy locally. This simple practice can have【C13】______ positive implications, both ecologically and economically.【C14】______ of food and other goods from outside the region【C15】______ a lot of energy in the form of transportation and environmental processing.【C16】______foods that are regionally in-season and locally produced reduces【C17】______ and helps support local farmers and manufacturers.
    Finally, tread lightly on the landscape. When visiting a wild area, don’t drive or bicycle off designated routes. If camping,【C18】______up all garbage or dispose of it in designated receptacles.【C19】______ if dispersed camping is permitted , use preexisting camps【C20】______ possible to lessen erosion.
【C10】
选项 A、when
B、where
C、why
D、how
答案D
解析 宾语从句题。句意同上。旅游者除了要知道旅行社为社区做了什么事儿之外，还需要知道他们是……进行经营活动的，可知此处应选择连接副词how“如何”。此处的关注点不是when“什么时候”、where“在什么地方”或why“为什么”，因此都应排除。
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专业英语四级

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