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问题 单项选择题

妊娠高血压综合征最基本的病理变化是（）

A.胎盘绒毛退行性变化

B.水钠潴留

C.全身小动脉痉挛

D.弥漫性血管内凝血

E.肾小管重吸收功能降低

答案

参考答案：C

解析：妊高征的基本病理生理变化是全身小动脉痉挛，导致三大临床表现：高血压、水肿、蛋白尿。

单项选择题

At a recent Haggerty Semiconductors Board of Directors meeting, Merle Haggerty was asked to discuss the topic of the company’s weighted average cost of capital (WACC). At the meeting Haggerty made the following statements about the company’s WACC: Statement 1: A company creates value by producing a higher return on its assets than the cost of financing those assets. As such, the WACC is the cost of financing a firm’s assets and can he viewed as the firm’s opportunity cost of financing its assets. Statement 2: Since a firm’ s WACC reflects the average risk of the projects that make up the firm, it is not appropriate for evaluating all new projects. It should be adjusted upward for projects with greater-than-average risk and downward for projects with less-than-average risk. Are Statement 1 and Statement 2, as made by Haggerty correct Statement 1 Statement 2（）①A. Incorrect Incorrect ②B. Correct Incorrect ③C. Correct Correct

A. ①

B. ②

C. ③
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单项选择题

下列有关公民的劳动义务叙述不正确的是( )。

A．劳动者应当完成劳动任务

B．劳动者负有提高职业技能的义务

C．劳动者在工作中负有互帮互助的义务

D．劳动者应当遵守劳动纪律和职业纪律
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