在急性弥漫性腹膜炎的感染途径中,下列哪项是错误的
A.腹腔器官炎症蔓延扩散B.病原菌由外界直接进入腹腔C.经血运传播D.腹壁血栓性静脉炎E.空腔脏器穿孔
参考答案:D
— Do you come to South Korea for the ________ of seeing your family or doing business?
— I come here on business.
A.interest
B.benefit
C.purpose
D.thought
数字电压表将被测电压经模数变换后,以二进制数字形式显示测量结果。