人体对结核分枝杆菌的免疫特点是
A.以局部SIgA免疫为主B.体液免疫为主C.细胞免疫为主D.不能通过人工主动免疫获得E.可引起Ⅱ型变态反应
参考答案:C
鹅口疮的病原菌是()
A.Ⅰ型单纯疱疹病毒
B.草绿色链球菌
C.变形链球菌
D.白色念珠菌
E.螺旋体
The total return on a collateralized futures position is composed of the change in:()
A. futures price plus the interest income on the futures.
B. treasuries price plus the interest income on the futures.
C. futures price plus the interest income on the Treasuries.