感性认识和理性认识统一的基础是( )
A．社会发展规律 B．客观物质世界 C．社会实践 D．物质统一性
参考答案：C
—Must I go to medical school and be a doctor like you, dad?
—No, you _______,son. You’re free to make your own decision.
A．can’t
B．mustn’t
C．shouldn’t
D．needn’t
Americans and Canadians can understand each other ___ they don’t speak the same kind of English.
A．now that
B．even if
C．as if
D．only if
