As tempting as it can be to let it all hang loose and stop worrying while on

游客2023-11-16 20

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. [br] 【C17】

选项 A、time
B、loss
C、cost
D、waste

答案 C

解析名词辨析题。句意同上。由本段的第二句可知，购买当地产品具有重大的经济和生态意义，第三句重点讲了生态意义，而本句则偏重于经济意义。由于节省了运费和其他费用，购买当地商品显然会减少花费，因此cost最符合上下文语义。文中没有涉及正常花费以外的情况，故排除loss“损失”和waste“浪费”；而作者也没有提到时间成本，因此time也缺乏原文依据。

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