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单选题
The molecular and structural arrangements of the components in a composite material can vary greatly.
A
interact
B
disintegrate
C
differ
D
expand
参考答案
参考解析
解析：
句意：复合材料的分子和结构分布可以相差很大。differ不同。interact相互作用。disintegrate分解。expand扩张。
句意：复合材料的分子和结构分布可以相差很大。differ不同。interact相互作用。disintegrate分解。expand扩张。
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