2016年12月大学英语四级真题试卷及答案(第二套)

　　Reading Comprehension

　　(40 minutes)

　　Section A

　　Directions: In this section, there is a passage with ten blanks. You are required to select one wordfor each blank from a list of choices given in a word bank following the passage. Read thepassage through carefully before making your choices.Each choice in the bank isidentified by a letter. Please mark the corresponding letter for each item on AnswerSheet 2 with a single line through the centre. You may not use any of the words in thebank more than once.

　　Questions 26 to 35 are based on the following passage.

　　The ocean is heating up. That's the conclusion of a new study that finds that Earth's oceans now26heat at twice the rate they did 18 years ago. Around half of ocean heat intake since 1865 hastaken place since 1997, researchers report online in Nature Climate Change.

　　Warming waters are known to27 to coral bleaching (珊瑚白化) and they take up more spacethan cooler waters, raising sea28While the top of the ocean is well studied, its depths are moredifficult to 29The researchers gathered 150 years of ocean temperature data in order to get abetter30 of heat absorption from surface to seabed. They gathered together temperature readingscollected by everything from a 19th century31 of British naval ships to modem automated oceaNPRobes. The extensive data sources,32 with computer simulations ( 计算机模拟), created atimeline of ocean temperature changes, including cooling from volcanic outbreaks and warming fromfossil fuel33

　　About 35 percent of the heat taken in by the oceans during the industrial era now resides at a34 of more than 700 meters, the researchers found. They say they're35whether the deep-seawarming canceled out warming at the sea's surface.

　　A. absorb

　　B. Combined

　　C. Contribute

　　D. depth

　　E. emissions

　　F. excursion

　　G. explore

　　H. floor

　　I. heights

　　J. indifferent

　　K. levels

　　L. mixed

　　M. picture

　　N. unsure

　　O. voyage