問題詳情

V_ Discourse Structure (4%)A volcanic eruption could create many problems and bring parts of the world to a standstill. On March 20, 2010, the Eyjafjallajdkull volcano, located on the southern coast of Iceland, erupted and began sending 700 tons of volcanic ash per second into the sky. An ash cloud traveled across the North Atlantic to Europe, bringing health risks and causing the cancellation of over 16,000 flights in a day. —51— Entire areas were evacuated as melting glaciers flooded roads and homes. Farmers and animals suffered ash-contaminated fields and water sources.Despite the danger, geologists still risked their lives and rushed to analyze the ash hanging in the air.—52一 An airplane flying through a cloud of this would be sandblasted. As airports reopen, Icelanders continueto live through the aftereffects._53— It's a geological dance called "the Icelandic two-step/' The erupting volcano Eyjafjallajokull appears to be linked to a bigger volcano, Katla, which historically erupts every half century. With the last eruption being in 1918, a new one is overdue. 一54一The earth continues to make noise under the beautiful Icelandic landscape, so we can only wait and see what will happen.
(A) To make matters worse, Eyjafjallajokuirs eruptions have traditionally triggered Katla, so a catastrophe could be in the making.
(B) The impact of heat and cold had turned magma into extremely sharp glass-like particles.
(C) Another threat exists in Iceland for everyone around the world.
(D) Meanwhile, Ice landers were in deep water.
51

參考答案

答案：A
難度：非常困難0.166667
統計：A(3),B(1),C(2),D(0),E(0)

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