基因诊断及治疗的伦理原则应除外()
A.尊重病人的原则
B.知情同意的原则
C.有益于病人的原则
D.保守秘密的原则
E.创新至上的原则
参考答案:E
— The school looked quite different from it used to be.
— Yes. Lots of trees and grass ______. [ ]
A. have planted
B. are planted
C. were planted
D. have been planted
包裹性心包积液可见于右房部位,常误以为心房本身,此时须全面地二维超声探查整个心脏,可借助下列哪种技术鉴别
A.M型超声
B.脉冲多普勒
C.连续多普勒
D.彩色多普勒
E.以上均不是