“Eventually，the iceberg will move further north；it will be picked up by wind and ocean currents，”Dr Studinger told BBC News.

　　IceBridge is running a series of instrumented airborne campaigns to measure the thickness of ice in Earth’s polar regions.The“bridge”in its name refers to the data that must be gathered to fill the gap between NASA’s current dead Icesat laser altimeter(激光测高计)spacecraft and the future Icesat­2 mission due to come into operation later this decade.

　　南极的一个冰川伸进海洋的一部分产生了一条巨大的裂痕，估计很快就会破裂，届时在南极西部将诞生又一座冰山。

　　5．The underlined word“It”in Paragraph 1 refers to“______”．

　　A．The US space agency

　　B．The West Antarctic Ice Sheet

　　C．The Pine Island Glacier

　　D．The White Continent

　　解析：文章结构题。根据第一段A crack has formed in the shelf of floating ice in front of the Pine Island Glacier和．..the eventual iceberg to cover about 880 sq km可知，答案为C项。

　　答案：C

　　6．The surface crack in the PIG will finally lead to______.

　　A．the former iceberg’s disappearance

　　B．the birth of a huge iceberg

　　C．the birth of a new continent

　　D．a river along the PIG

【2017届高三（人教版）英语复习全国通用活页作业26】相关文章：

★ 【人教版】2014届高考英语一轮复习指导考点针对练：选修6 unit1《Art》

★ 2017届高考英语二轮复习课时训练：21（含解析）

★ 谈高三英语复习中的练习问题

★ 2013高考英语听力提升素材

★ 备战2016高考一轮英语复习必须要依托课本

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (34)

★ 2016年高考英语复习要做好的六件事

★ 2017届高考英语二轮复习书面表达限时测验：2（含解析）

★ 2014届高考英语一轮复习必修1参考答案（外研版）

★ 2014届高考英语一轮复习必修5参考答案（外研版）