DSA成像方式中,K-缘减影又称为
A.混合减影B.路标减影C.脉冲减影D.时间减影E.能量减影
参考答案:E
解析:能量减影也称双能减影,K-缘减影。
信用风险的积极作用和消极作用都有哪些?
Mrs. Smith has been teaching in a school since she graduated, so she is not __________ to associating with business people.
A.addicted
B.devoted
C.admitted
D.accustomed