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题目内容
（乐山师范学院-商务英语读写）
(10) to fluctuate [ 3 分 ]
A.to add several things together
B.to produce or provide something official
C.to change or vary
D.to judge or decide something
A.to add several things together
B.to produce or provide something official
C.to change or vary
D.to judge or decide something
参考答案