治疗变异型心绞痛,应首选()
A.肾上腺素能β受体阻滞剂
B.钙通道阻滞剂
C.ACEI
D.硝酸异山梨醇酯
E.戊四硝酯制剂
参考答案:B
简述教师的劳动特点。
All of the following are components of the Code of Ethics EXCEPT:()
A. striving to maintain and improve their competence and the competence of others in the profession.
B. demonstrating diligence, independence, and thoroughness when preparing investment reports.
C. acting with integrity, competence, respect, and in an ethical manner when dealing with others.