【单选题】 When snow collects on top of a building during the winter, the weight sometimes weakens the construction and occasionally causes the roof to collapse.
A．melts
B．accumulates
C．selects
D．scatters
网考网参考答案：B
网考网解析：
[解析] collect聚集，集合；melt溶化，溶解；accumulate堆积，积累；select选择，精选； scatter使分散，使散开。故答案为B。
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