PSA原料气质量下降，应及时降低处理量或切换原料。

下面哪种语言编写的程序可由计算机直接执行

A．高级语言

B．汇编语言

C．PASCAL语言

D．机器语言

单纯疱疹与带状疱疹相比()

A．潜伏时间长

B．易于复发

C．自觉症状重

D．并发症多

根据以往的口腔流行病学调查结果，以下哪个牙面龋患率最高（）

A.根面

B.面

C.颊舌面

D.近中面

E.远中面

Bob Thompson, CFA, is an analyst at Government Brokers, Inc., which is a brokerage firm specializing in government bond trading. Which of the following statements complies with the CFA Institute Code of Ethics and Standards of Professional Conduct（）

A. Thompson must notify Government Brokers, Inc. of his responsibility to abide by the CFA Institute Code of Ethics and Standards of Professional Conduct.

B. Thompson must be responsible for the ethical actions of other investment professionals in Government Brokers, Inc..

C. Thompson must practice and encourage others to practice in a professional and ethical manner that will reflect credit on themselves and the profession.

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