2015年6月英语四级阅读题模拟练习及答案十

2015年6月英语四级阅读题模拟练习及答案十 Section C

Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D). You should decide on the best choice and mark the corresponding letter on Answer Sheet 2 with a single line through the centre.

根据以下资料，回答56-60题：

Passage One

Quesaons 56 to 60 are based on thefollowingpassage.

The vast glaciers of western Antarctica are rapidly melting and losing ice to the sea and almost certainly have“passed the point of no return，”according to new work by two separate teams of scientists. The likely result：a rise in global sea levels of 4 feet or more in the coming centuries，says research made public Monday by scientists at the University of Washington，the University of California-Irvine and NASA's Jet Propulsion Laboratory.

“It really is an amazingly distressing situation，”says Pennsylvania State University glaciologist(冰川学家)Sridhar Anandakrishnan，who was not affiliated with either study.“This is a huge part of West Antarctica.and it seems to have been kicked over the edge.” The researchers say the fate of the glaciers is almost certainly beyond hope.

One study shows that a river of ice called Thwaites Glacier is probably in the early stages of collapse.Total collapse is almost inevitable.the study shows.

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