填空题

Sabin and Koprowski created their vaccines by culturing a strain of polio virus on monkey kidneys, supposedly the source of ______, now called SIV.

【参考答案】

the simian AIDS virus
<上一题 目录 下一题>
热门 试题

单项选择题
A．One.B．Two.C．Three.D．Four.
A．One.
B．Two.
C．Three.
D．Four.
填空题
Among the theories to explain the origin of AIDS, the polio vaccine theory, in the opinion of the author of the article, seems to be the most plausible one.
相关试题