旅游意外的保险期限为一年。( ) P172
参考答案：错
1973年Feinstone用免疫电镜技术首次在急性腹泻病人粪便中发现甲型肝炎病毒。()
— How are the team playing ?
— They are playing well, but one of them _____ hurt.
A．got
B．gets
C．are
D．were
