根据如图所示的实际电路画出相应的电路图。

某工业企业本月月初库存原材料的计划成本为8000万元，材料成本差异借方余额为500万元。本月2日发出委托加工材料的计划成本800万元，该委托加工材料于本月月末收到，加工后的材料实际成本等于计划成本。本月10日购入原材料的实际成本为2100万元，其计划成本为2000万元。本月月末材料成本差异的借方余额为（）

A.452万元

B.552万元

C.450万元

D.550万元

患者，女性，49岁。食欲减退、乏力、皮肤瘙痒3个月。既往20年来常有腰部酸痛，有时尿频，排尿不适，20年前曾因寒战、高热、尿频、尿痛、尿急住院治疗。查体：BP160/94mmHg，睑结膜苍白，皮肤苍白、干燥，双下肢轻度可凹性水肿。

最重要的检查是（）对诊断最有意义的检验检查是

A.ALT、AST 

B.TBil、DBil 

C.Scr、BUN 

D.血常规 

E.尿常规

A well-diversified investor holds an equal investment in cash of the equity shares of Meyer, Inc., Johnson, Inc., and Fairfax Enterprises. The three companies operate in the same industry and will benefit equally from a favorable decision in a pending court case. The investor concludes that the current stock prices for Meyer and Johnson each reflect a 50 percent probability that the decision will be favorable to the industry, while the current stock price for Fairfax reflects a 70 percent probability that the decision will be favorable. The most. appropriate strategy for the investor is to:

A. sell Fairfax shares and use the proceeds to purchase additional shares in Meyer and Johnson.
B. sell both Meyer and Johnson shares and use the proceeds to purchase additional shares in Fairfax.
C. reallocate the investment in the industry to 15 percent in Meyer, 15 percent in Johnson, and 70 percent in Fairfax.

我国实行民族区域自治制度的前提是（）

A.宗教在各自治区的建立中应受到保护

B.维护国家的统一

C.依据历史，在某些可以实行政教合一的政策

利福霉素

A．抑制依赖DNA的RNA聚合酶
B．抑制DNA回旋酶
C．抑制DNA合成
D．抑制二氢叶酸还原酶
E．抑制二氢叶酸合成酶