细碎机电流高的主要原因是过铁引起的。
参考答案：对
—Excuse me, I wonder if you can help. I _______ my ID card.
—But where did you lose it?
A. have lost
B. lost
C. had lost
D. lose
肺炎球菌肺炎，常伴有
A．咳铁锈色痰B．咳粉红色泡沫痰C．唇色、睑结膜苍白D．午后潮热，盗汗E．弛张热，巩膜黄染
