四级A卷深度阅读答案解析_大学英语阅读

四级A卷深度阅读答案解析

　　58. A) Data for analyzing the cause of the crash.

　　第二段介绍了黑匣子在对于探寻Yemeni airliner坠毁原因上所起到的重大作用。由第二段第二行the black box is the best bet for identifying what went wrong及后面由于法国一潜艇找到黑匣子这一发现arked a huge step toward determining the cause of a tragedy以推断出答案。

　　59. C) The early models often got damaged in the crash.

　　文中第三自然段第三行，由arly models often failed to withstand crashes, however, so in 1965 the device was completely redesigned 得知，1965年黑匣子重新设计的原因是之前的黑匣子在坠机时容易遭到破坏。withstand意为承受，经受。：http://www.exam8.com/

　　60. C) To make them easily identifiable.

　　由文中得知黑匣子被漆成橙色或黄色的原因是to aid visibilityVisibility是visible的名词形式，意为能见度，可见度，因此，漆成橙色或黄色主要是因为希望黑匣子可见度高，比较明显，容易被发现，故选C。

　　61. A) There is still a good chance for their being recovered.

　　作者举出Air France Flight 447的例子主要是用来证明其前面的论点hen submerged, theye also able to emit signals form depths of 20,000 ft.黑匣子即使被埋于深处仍然能够发射信号以被察觉。Air France Flight 447的黑匣子处于水下深处，但数据显示他们仍能urn up现)，即被探测人员发现。故选A。