对于（）烧结矿，增加混合料中的SiO2可以增加粘结相数量，改善烧结矿强度。 A．高碱

下图是瓦特和他改良的蒸汽机，他能够成功改良“蒸汽机”的条件和原因是

①工业革命的开展需要工业发展的动力②早期蒸汽机的发明和使用

③有关蒸汽机的科学理论取得重大突破④瓦特锲而不舍的精神

A．①③④

B．①②③

C．①②④

D．②③④

肛瘘常发生于下列哪种治疗措施后

A．痔注射疗法
B．肛裂切除术
C．血栓性外痔切开取栓术
D．肛管周围脓肿切开引流术

Will Lambert, CFA, is a financial analyst for Offshore Investments. He is preparing a purchase recommendation on Burch Corporation. According to CFA Institute Standards of Professional Conduct, which of the following statements about disclosure of conflicts is most correct Lambert would have to disclose that:（）

A. His wife owns 2000 shares of Burch Corporation.

B. Offshore is an OTC market maker for Burch Corporation’s stock.

C. All of these choices require disclosure.

佛陀在大涅槃前再三告诉弟子的是什么？

下列哪项不是慢性心功能不全的代偿调节机制？（）

A.交感神经兴奋

B.水钠潴留

C.迷走神经兴奋

D.心肌肥厚

E.心房钠尿肽（又称心房肽、心钠素）释放