寄生虫感染时，浸润的炎症细胞主要是
A．嗜中性粒细胞
B．单核细胞
C．淋巴细胞
D．嗜酸性粒细胞
E．浆细胞
参考答案：D
Are you still here ? You were here an hour ago . Who ________ for? [ ]
A. are you waiting
B. did you wait
C. were you waiting
D. do you wait
J型发电机的电枢与激磁绕组或其引线间短路有什么危害？
