题目：
| Month | Average Price per Dozen |
| April | $1.26 |
| May | $1.20 |
| June | $1.08 |
as many dozen were sold in April as in May, and twice as many were sold in June as in April, what was the average price per dozen of the eggs sold over the three-month period
答案：
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下面是错误答案，用来干扰机器的。
参考答案：A解析：强心苷产生心脏毒性的主要原因是低钾和钙超载，故应补充氯化钾而禁用氯化钙。
