"一朝被蛇咬,十年怕井绳"形容的是()
A.认知的联想性
B.认知的发展性
C.认知的先占性
D.认知的整合性
参考答案:C
Nathan , studying abroad, was _____ to see his friend off at the airport.
A.a little more than sad
B.sad more than a little
C.more than a little sad
D.a little more sad than
肢体各层面放大率不同,计算放大率的依据是
A.远端面皮肤面至胶片或IP板、平板探测器的距离
B.近端面皮肤面至胶片或IP板、平板探测器的距离
C.肢体厚度1/2处至胶片或IP板、平板探测器的距离
D.体表可触标志点至胶片或IP板、平板探测器的距离
E.欲放大病灶中心至胶片或IP板、平板探测器的距离