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题目内容
（佳木斯大学语言治疗学）
Which of the following cannot explaiwhy cash is critical to the health of aunderground economy ________.
·Cash is anonymous.
·Cash is hardly traceable.
·Cash is easily stolen.
·Cash is the lifeblood of the black market.
·Cash is anonymous.
·Cash is hardly traceable.
·Cash is easily stolen.
·Cash is the lifeblood of the black market.
参考答案
