临床资料：男，45岁，自述间断性右上腹疼痛1年，进行性加重2月余。 超声综合描述：胆囊形态失常不规则，与周围组织界限不清，内透声不清亮，CDFI：囊壁可见动脉血流信号（箭头所示），V39．9cm／s。见下列彩图。 超声提示（）

[问答题]Many countries have, or are in the process of creating, their own "Silicon Valley". So far, none has as yet threatened the preeminence of the US prototype. What makes Silicon Valley such a unique entity? There are several crucial factors.First and foremost, it has the largest concentration of brilliant computer professionals and the best supporting services in the world, and easy access to world-class research institutions, like Stanford University, which continually nurtures would-be geniuses which the industry needs in order to move forward. Without these advantages, the Valley would be a different place.Secondly, it actively encourages, or even exalts, risk-taking. Hence, failure holds no terror and there is no stigma attached to a failed effort. On the contrary, they will try even harder next time round. Such never-say-die approach is the sine qua non for the ultimate triumph in entrepreneurship and technological breakthrough.A third decisive factor is the vital role of venture capitalists who willingly support promising start-ups with urgently needed initial capital to get them started. Some would even give failed entrepreneurs a second chance if convinced that a fresh concept might lead to eventual success.

[判断题]当驱动轮的径向反作用力为零时，则汽车就将丧失行驶能力。

[单选题]合规风险的评价组组建人员不包括（）

[单选题]机轮荷载与自然因素对道面结构的影响，随深度增加（）。

[单选题]配电箱电源线及所有三相电源的干线，相线A、B、c为黄、绿、红三色，零线为（），保护接地线（PE）为黄绿相间双色线。

[单选题]《鉴定书》由（）签名。

[多选题]根据现行《火灾自动报警系统设计规范》，一个报警区域宜且可以设置（）

[判断题]公司是企业法人，有独立的法人财产，享有法人财产权。公司以其全部财产对公司的债务承担责任。

[单选题]双手烧伤病人，伤后35天经植皮手术后愈合，当时烧伤深度为（）。

[单选题]一星级铁军中队必配器材装备配备率应达到（），攻坚组必配装备配备率达到（）。