为了使自动舵在当前情况处于较佳的工作状态，一般对自动舵进行适当地设置，其中微分旋钮主

患者女，24岁。已婚，未生育，主因停经2个月余， * * 不规则出血1周，自测尿妊免阳性，血hCG高于正常妊娠月份，B超提示子宫大于正常妊娠月份，双侧卵巢有黄素化囊肿。

此患者确诊后首先应行（）

A.清除宫腔内容物

B.子宫全切术

C.预防性化疗

D.手术切除卵巢

E.遵医嘱给止血药物

消化性溃疡最常见的并发症为

A．穿孔

B．出血

C．幽门梗阻

D．癌变

E．瘘管形成

A critical corporate governance issue is ensuring that the board and its members have the requisite experienced needed to properly govern the firm for the shareholders’ benefit. When considering board member qualifications, investors and shareholders should consider whether board members can act with care and competence as a result of their experience with all of the following EXCEPT :（）

A. technologies, products, services which the firm offers.

B. the competitive landscape the firm faces.

C. strategies and planning.

隧道用细骨料不得使用（）。

A、海砂

B、河砂

C、人工砂

男性，20岁。外伤致尺骨上1/3骨折并桡骨头脱位。检查发现患侧手掌指关节不能主动伸直．由此判断该患者合并有（）

A.尺神经损伤

B.正中神经损伤

C.桡神经深支损伤

D.桡神经浅支损伤

E.正中、尺神经同时损伤