Your project is very critical for the company and must be completed within 6 months. The project charter has been signed, but scope statement is not yet prepared. Management asks you to go ahead with the project without the scope statement being approved. What should you do(select the best answer)

A．Refuse to work on the project because management is not following standard project management practice

B．Since time is of essence, you should start the project with the inputs from project charte

C．Meet the management and mention the problems you will face without a scope statemen

D．Escalate the issue to the project sponsor and issue a risk mem

下列关于普萘洛尔与硝酸异山醇酯合用治疗心绞痛的叙述，哪项不正确（）

A.增强疗效

B.防止反射性心率加快

C.避免心容积增加

D.能协同降低心肌耗氧量

E.避免普萘洛尔对心脏的抑制作用