尿毒症患者心血管系统最常见的表现为()
A．高血压
B．心力衰竭
C．心律失常
D．尿毒症性心肌病
E．尿毒症性心包炎
参考答案：A
下列哪种传染性疾病可用类毒素预防？（）
A.痢疾
B.伤寒
C.百日咳
D.白喉
E.肺炎
Which of the following statement is NOT true of therapeutic cloning
A．Therapeutic cloning is used mainly for research purposes and therefore should be allowed to continue.
B．Therapeutic cloning is used for medical purposes and not for reproducing full human beings.
C．Therapeutic cloning is used for replacing the diseased parts of human organs.
D．Brain cell can be used in the future to cure the Parkinson’s disease.
