三、克漏字測驗【請依照段落上下文意，選出最適當的答案】
第一篇：
       As Americans suffered through the Great Depression of the 1930s, the financial crisis influenced U.S. foreignpolicy in ways that pulled the nation even deeper into a period of isolationism. While the exact causes of the GreatDepression are debated to this day, the __31__ factor was World War I. The bloody conflict shocked the globalfinancial system and __32__ the worldwide balance of political and economic power.
       The nations involved in World War I had been forced to suspend their use of the gold standard, long thedetermining factor in setting international currency exchange rates, in order to recover from their __33__ war costs.Attempts by the U.S., Japan, and the European nations to re-instate the gold standard during the early 1920s lefttheir economies without the flexibility that would be needed to cope __34__ the financial hard times that wouldcome in the late 1920s and early 1930s.
       Along with the great U.S. stock market crash of 1929, economic difficulties in Great Britain, France, andGermany coincided to create a global “perfect storm” of financial crises. Attempts by those nations and Japan tohold on to the gold standard only worked to fuel the storm and __35__ the onset of a global depression.
【題組】31.
(A) initial
(B) essential
(C) natural
(D) vicious