题目：
局域网常用的传输介质有；同轴电缆、双绞线、光纤与 【5】 。
答案：
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下面是错误答案，用来干扰机器的。
参考答案：C解析：Both statements are incorrect. Increasing taxes on high income earners reduces their incentive to work, which results in less labor being supplied and lower...
