单项选择题 M: That was surprising!W: It certainly was! I’ve never known a Briton become a medalist in this event!Q: What are the man and woman most likely doing?（）

单项选择题 在委托代理关系中，因为授权不明确而给第三人造成损失，则应由（ ）。 A．第三人自己承担损失 B．代理人独自向第三人承担责任 C．被代理人独自向第三人承担责任 D．被代理人与代理人向第三人承担连带责任

单项选择题 Among the men and women who reshaped the American working class during the early 1900s, there were many who were not members of labor unions.（ ）A challenged the rights ofB criticized the views ofC interviewed the leaders ofD changed the character of