秦始皇陵位于______，_____年被批准列入《世界遗产目录》。[ ] A．山

男性，45岁。1年前确诊为肝硬化，近月来有腹胀，经检查有腹水，肝未扪及，脾肋下2cm，入院前1天突然出现剧烈腹痛，继之发热，便血，休克，腹水迅速增长，脾增大，最可能的并发症是（）

A.原发性肝癌

B.自发性腹膜炎

C.食管静脉曲张破裂出血

D.门静脉血栓形成

E.腹腔感染

列车牵引网络控制系统中辅助系统控制有哪些功能？

理想国家

互联网好比一个复杂多样的虚拟世界，在互联网主机上的信息又构成了一个微观虚拟世界。若在某主机上可以访问本主机上的信息、则称该主机相通于自身；若主机x能通过互联网访问主机y的信息，则称x相通于y，已知代号分别为甲、乙、丙、丁的四台联网主机有如下信息：
(1)甲主机相通于任一不相通于丙的主机。
(2)丁主机不相通于丙。
(3)丙主机相通于任一相通于甲的主机。

若丙主机不相通于任何主机，则以下哪项一定为假

A．甲主机相通于乙
B．乙主机相通于自身
C．丁主机不相通于甲
D．若丁主机相通于甲，则乙主机相通于甲
E．若丁主机不相通于甲，则乙主机相通于甲

Sales of telephones have increased dramatically over the last year. In order to take advantage of this increase, Mammoth Industries plans to expand production of its own model of telephone, while continuing its already very extensive advertising of this product. Which of the following, if true, provides most support for the view that Mammoth Industries cannot increase its sales of telephones by adopting the plan outlined above

A．Although it sells all of the telephones that it produces, Mammoth Industries’ share of all telephone sales has declined over the last year.

B．Mammoth Industries’ average inventory of telephones awaiting shipment to retailers has declined slightly over the last year.

C．Advertising has made the brand name of Mammoth Industries’ telephones widely known, but few consumers know that Mammoth industries owns this brand.

D．Mammoth Industries’ telephone is one of the three brands of telephone that have together accounted for the bulk of the last year’s increase in sales.

E．(E) Despite a slight decline in the retail price, sales of Mammoth Industries’ telephones have fallen in the last year.