女性，45岁。低热半年，牙龈易出血，全身浅表淋巴结肿大，肝右肋缘下3cm，脾肋下10

翻译

 —Do you have ping-pong ball?

—Yes. I do.

—                                  ？

—                                   .

患者男性，43岁，肝炎病史15年，近年AFP升高，超声所见：肝右叶萎缩，左叶增大，肝表面不光滑，肝实质回声增粗、增强、不均匀、肝静脉扭曲变细，肝右前叶可见一个28mm×30mm的低回声实性占位，边缘有弱回声晕，最可能的诊断是（）。

A.肝腺瘤

B.结节型肝癌

C.肝囊肿

D.肝转移癌

E.胆管细胞癌

患者男，70岁，74kg。13年前行二尖瓣生物瓣置换术。入院前两个月出现过短暂头晕；一周前自己突然闻及响亮的心脏杂音同时伴有胸闷、气促、尿少、乏力等症状；查体心尖部闻及Ⅲ级鸥鸣样收缩期杂音。心功能Ⅲ～Ⅳ级。心电图示：窦性心律，Ⅰ度房室传导阻滞。胸部X片示：两肺淤血并间质性肺水肿，右上腔静脉影增宽，肺容积缩小，心脏呈二尖瓣-主动脉型。超声心动图示：二尖瓣生物瓣撕裂反流；肺动脉高压（中度）。拟在全身麻醉下行二尖瓣瓣膜置换术。

进一步检查可发现（）。

A.交替脉

B.水冲脉

C.第一心音增强

D.肺动脉瓣区第二心音增强

E.二尖瓣听诊区收缩期杂音

F.可闻及颈动脉杂音

G.脉压增宽

男，55岁。2天前，发生急性心肌梗死，一小时前突发喘憋，咳粉红色泡沫痰，不能平卧，既往体检时心脏听诊无异常发现。体格检查：BP90/60mmHg，心尖部可闻及4/6级粗糙的收缩期杂音，双肺满布中小水泡音及哮鸣音。该患者喘憋最可能的原因是

A．心肌梗死后综合征

B．心脏 * * 肌断裂

C．心脏游离壁破裂

D．心室膨胀瘤

E．肺动脉栓塞

With hundreds of millions of electronic (161) taking place daily, businesses and organizations have a p incentive to protect the (162) of the data exchanged in this manner, and to positively ensure the (163) of those involved in the transactions. This has led to an industry-wide quest for better, more secure methods for controlling IT operations, and for deploying p security mechanisms deeply and broadly throughout networked infrastructures and client devices. One of the more successful concepts to engage the imaginations of the security community has been the development of standards-based security (164 ) that can be incorporated in the hardware design of client computers. The principle of encapsulating core security capabilities in (165 ) and integrating security provisions at the deepest levels of the machine operation has significant benefits for both users and those responsible for securing IT operations.

A．devices

B．transactions

C．communications

D．businesses