低运量轨道交通系统是指高峰小时单向运输能力为（）人。

烈性肠道传染病（）

A.急性痢疾

B.急性肠炎

C.霍乱

D.伤寒

E.斑疹伤寒

某患者因腹痛月余，近日出现黄疸前来就医，曾有胰腺炎病史，超声示肝内外胆管轻-中度扩张，胰头区可见45mm边界欠清、形态较规整的低回声实性肿块，内可见斑点状钙化，后方回声增强，其余腺体组织表面不光滑，回声粗糙

最可能的诊断为（）

A.胰头癌

B.慢性局限型胰腺炎

C.胰腺结核

D.急性坏死性胰腺炎

E.肝细胞黄疸

–OAO- Relax is a company that operates a chain of hotels and leisure centres in several towns and cities throughout Russia. Last year, –OAO- Relax appointed Tamara, a new chief executive officer, who persuaded the board of directors to diversify the business by setting up a chain of health clubs. Despite scepticism in the media and opposition from some of the shareholders, Tamara proceeded with the plans.The outcome of the diversification has been a disaster. The health clubs failed to attract sufficient business to cover their costs and proved to be a drain on the company’s resources. –OAO- Relax is faced with the prospect of closing down the health clubs, or selling off this part of the business at a huge loss.A group of shareholders that collectively holds 8% of the shares in –OAO- Relax believes that the initiative has caused irreversible damage to the company. They have been backed by three of the company’s ten directors, who consistently opposed the initiative only to be outvoted by their colleagues on the board. These directors argue that their colleagues who backed Tamara’s ideas made no real effort to understand the market and simply went along with Tamara’s proposals. These directors are willing to provide documentary evidence that the decisions that were taken were based on incomplete and inaccurate information.Required:

(b) Discuss the potential accountability of Tamara and the other directors of –OAO- Relax for the losses sustained by the company. (5 marks)

离心泵在启动前，先向泵内充满液体，是为了（）。

A、叶轮中心产生负压能吸入液体

B、运行安全性

C、提高泵效

D、提高扬程

下列关于遗嘱效力的说法正确的是( )。

A．限制行为能力人所立的遗嘱效力待定

B．受欺诈所立的遗嘱当事人可以在1年内撤销

C．受胁迫所立的遗嘱无效

D．被篡改的遗嘱，整个遗嘱无效