问题
选择题
If you just spend time__________advantages and disadvantages, you may get nothing in the end.[ ]
A. matching
B. balancing
C. observing
D. examining
答案
答案：B
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If you just spend time__________advantages and disadvantages, you may get nothing in the end.[ ]
A. matching
B. balancing
C. observing
D. examining
答案：B