题目内容：
11.The injury of their key player could be a(n) __________ factor in the game. A. decisive B. decision C. decided D. decisively
12.Britain’s poor economic performance was a cause for the growing public ________.
A. complain B. terrible C. heap D. concern
13.__________ measures should be taken to prevent such accidents.
A. Efficient B. Effective C. Relevant D. Virtually
14.Although there were only 4 horses ________ , it was an exciting race.
A. competing B. issue C. bond D. run
15.One of the __________ qualifications for entering this company is to hold a master’s degree.
A. essential B. initiative C. talent D. obviously
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