疟疾病累及脾脏时,脾脏的病理改变有()
A.脾脏肿大
B.窦壁和血管壁变薄
C.脾红细胞内可见大量疟原虫
D.脾窦萎缩
E.脾髓内网织红细胞呈弥漫性增生
参考答案:A, C, E
I'm sorry I can't go _____ you. I _____ my homework at the moment. [ ]
A. with, am doing
B. with, doing
C. to, am doing
C. to, do
油浸变压器内的绝缘材料主要是变压器油。