试述有意注意的规律性?
参考答案:
引起和保持有意注意的条件主要有以下四点:明确的目的和任务;间接兴趣的培养;有关活动的组织;用意志力排除各种干扰。
对显示骨髓病变较敏感的MRI扫描序列为()
A.SET1WI
B.FET2*WI
C.STIR
D.FSEPDWI
E.MRI增强检查
Jane’s pale face suggested that she______ill,and her parents suggested that she________a medical examination.
A.be;should have
B.was;have
C.should be;had
D.was;has