间日疟外周血涂片中可查见的虫体阶段有()
A.环状体
B.大滋养体
C.裂殖体
D.配子体
E.子孢子
参考答案:A, B, C, D
—Tony, ____you _____ smoking? —Yes. Drinking tea is my favorite now.
A.will; stop
B.are; stopped
C.would; stop
D.have; stopped
激活补体活化的经典途径中必不可少的补体成分是()
A.C1
B.C2
C.C3
D.C4
E.C6