Senior 3 life long-time study and occasional relaxation .
A. is consisted of
B. consists of
C. is consisting of
D. has been consisted of
网友回答
A. is consisted of
(答案→)B. consists of
C. is consisting of
D. has been consisted of
解析： 考查短语辨析。consist of 由什么组成，没有进行时态没有被动语态。所以选B，句意：高三的生活是由长时间的学习和偶尔的放松组成的。