企业会计核算要遵守的基本原则可以划分为几大类，分别是( )。 Ⅰ．总体性要求

对恶性淋巴瘤有显效（）

A．头孢菌素 

B．头孢他定 

C．头孢拉定 

D．头孢吡肟 

E．头孢呋辛

《素问·五脏生成篇》里说：“多食酸，则”

A．脉凝泣而变色

B．皮槁而毛拔

C．脉急而爪估

D．肉胝皱而唇揭

用YZR系列电动机代替JZR2系列电动机，若两者功率、转速相差不多，电阻器（）。

A、可以继续使用

B、必须更换

C、可更换也可继续使用

D、换成继电器

Timothy Holt, CFA, is a portfolio manager for the Toro Aggressive Growth Fund, a large mutual fund with an aggressive-growth mandate in Fechtman Investments. While having lunch with his colleagues, Holt overheards the manager of Fechtman Investments' trading desk discussing a large sell order for shares of Samuel Corporation that will take the rest of this week to process. Samuel Corporation stocks take a dominant position in the Toro Aggressive Growth Fund. To protect his clients' interests, Holt immediately heads to his office and sells all the Samuel Corporation stocks held iii his fund. Has Holt most likely violated the Standards of Professional Conduct

A. No.
B. Yes, relating only to material nonpublic information.
C. Yes, relating both to material nonpublic information and priority of transactions.

在钻井过程中，储层伤害的2个主要因素是（）。

A.压差和浸泡时间

B.压差和钻井液类型

C.钻井液黏度和浸泡时间

D.环空流速和压差