治疗华支睾吸虫病的首选药物是（）
A.乙胺嗪
B.奎宁
C.喹诺酮
D.乙胺嘧啶
E.吡喹酮
参考答案：E
解析：治疗华支睾吸虫病的首选药物是吡喹酮。
估价报告的写作要求有( )。
A．全面性、主观性、准确性
B．简便性、客观性、准确性
C．主观性、准确性、概括性
D．全面性、客观性、概括性
Which of the following statements regarding marginal costs (MC) and average variable costs (AVC) is most accurate（）
A. MC = AVC when AVC is at its minimum.
B. MC ＜ AVC when AVC is at its minimum.
C. MC = Average total cost when AVC is at its minimum.
