疟疾的远期发作是由于存在（）
A.配子体
B.囊合子
C.裂殖子
D.速发型子孢子
E.迟发型子孢子
参考答案：E
红细胞代谢能源主要来自（）
A.血脂
B.血糖
C.糖酵解产生ATP
D.蛋白质代谢
E.以上都是
How the loans are paid should be of little concern to the bank ________ they are paid on time. [ ]
A. as well as
B. as soon as
C. as long as
D. as far as
