问题
选择题
After great efforts President Obama was elected to a second＿＿＿ of office
A．turn
B．round
C．term
D．stage
答案
答案：C
题目分析：A. turn次序，B. round轮，C. term学期，任期，D. stage舞台，阶段，句意：在尽了很大努力后，奥巴马被选举担当连任总统。选C.
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