广告对象的意向性是指根据广告对象的需要、兴趣、偏好促使其感受器官集中于某一事物。
参考答案：对
The roof fell ________ he had time to dash into the house to save his baby.
A．as
B．after
C．until
D．before
受托人的信托财产应与受托人的固有财产区别对待
