问题
单项选择题
In a certain sequence, the first term is 1, and each successive term is 1 more than the reciprocal of the term that immediately precedes it. What is the fifth term of the sequence ？（）
A.A
B.B
C.C
D.D
E.E
答案
参考答案：C
解析：
由题意可得：
a1=1，a2=1+1=2
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