The Effects of Global Warming Although the term “global warming” has become increasingly familiar to the general public, a

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问题                                   The Effects of Global Warming
      Although the term “global warming” has become increasingly familiar to the general public, a recent survey carried out by the Chinchilla Institute for Environmental Studies clearly demonstrates that the full implications of the term are  (51)   understood. As long as public
(52)   remains so low, the political measures required to deal with the  (53)   disastrous consequences are unlikely to come about.
      Over 80 percent of the people interviewed in the Chinchilla Survey were unable to indicate any of the effects of a worldwide rise in temperature.  (54)   more disturbing was the very small  (55)   of people interviewed (7.4%)who felt that their lives would be directly  (56)   by global warming during the next 20 years.
     This indifference is in sharp  (57)   to the concerns voiced by the team of professionals who conducted the Survey. Team leader professor Ernest Wong stated that we should all expect to  (58)   significant lifestyle changes as a result of the effects of global warming. In  (59)   the likely effects, Professor Wong emphasized that the climatic changes caused by a rise in global temperature of only 1℃ would result in  (60)   changes.
     Primary among these changes would be the rise in sea level as a  (61)   of the melting of the polar icecaps. The consequent 30-centimeter rise in sea levels would have disastrous consequences for lowly coastal areas.  The very  (62)   of countries such as Bangladesh would be threatened. Indeed,  (63)   coastal cities would entirely escape severe flooding and damage.  (64)   considerable debate surrounds the accuracy of Professor Wong’s predictions, those who share his  (65)   prediction insist that governments must respond to this challenge by investing in coastal defense.  

选项 A、previously
B、presently
C、currently
D、potentially

答案D

解析 此题属于语义搭配题。选项A previously意为“以前地”,例如:I hadn’t seen him previously.选项B presently意为“现在,不久”,例如:He is presently on holiday.又如:The teacher will be here presently.选项C currently意为“当前,现在”;选项D potentially意为“可能地,潜在地”。第二段最后一句中的 global warming during the next 20 years和
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