单项选择题

Which of the following statements is TRUE

A．Any animal can be infected with rabies.
B．The speed with which the disease develops depends partly on the distance of the wound from the brain.
C．The first vaccine experiment on a human being proved to be a failure.
D．A dog gets life-long protection from one powerful injection of the vaccine.
<上一题 目录 下一题>
热门 试题

单项选择题
The successful attempt to save a badly bitten boy in 1885 was based on the theory that______.
A．infective agent of rabies could be used for vaccination
B．a series of injections of new virus could make people resistant to rabies
C．the infective agent of rabies could be recovered from the infected body
D．the longer incubation period would enable human body to build up enough resistance
相关试题