影响态度改变的因素包括
A．信息的权威性
B．传播效能
C．恐惧因素
D．效益
E．行为效果
参考答案：A,B,C,D,E
--- What do you think of the film Schindler’s List?
--- This is the best film _______ I have ever seen.
A．that
B．what
C．who
D．whom
机车车辆的最大宽度是指（）
A、从轨面至4800mm范围
B、从轨面高1250mm至2600mm范围
C、从轨面高1250mm至3600mm范围
D、从轨面高1250mm至4800mm范围
