测量中心静脉压的临床意义不包括（）。 A.作为输液的控制指标 B.有助于休克的鉴别诊

下面对苔藓植物的表述，错误的是（　　）

A．大多生活在阴湿的陆地环境

B．有了根、茎、叶的分化

C．茎中无导管，叶中无叶脉

D．可当做监测空气污染程度的指示植物

读“人均大气温室气体排放图”（15个总排放最高的国家）（共8分）

（1）除前苏联外，世界人均大气温室气体排放量前四位中的另三位国家按顺序是       、       、       。这四个国家经济发展水平的共同特点是               。

（2）这15个国家中，哪些国家人均排放量少，但对世界大气保温气体排放总量的“贡献”仍不可低估，列举前两位的国家          、           。这两个国家在人口方面都是                      ，在经济发展方面都是                 。

可循环支用的个人生产经营贷款，贷款额度有效期最长为5年（含）。额度项下每笔贷款的放款日不能超出额度有效期，额度有效期自借款人申请贷款之日起计算。

To compete in today’s fast-paced competitive environment, organizations are increasingly allowing contractors, partners, visitors and guests to access their internal enterprise networks. These users may connect to the network through wired ports in conference rooms or offices, or via wireless access points. In allowing this open access for third parties, LANs become (171) . Third parties can introduce risk in a variety of ways from connecting with an infected laptop to unauthorized access of network resources to (172) activity. For many organizations, however, the operational complexity and costs to ensure safe third party network access have been prohibitive. Fifty-two percent of surveyed CISOs state that they currently use a moat and castle’s security approach, and admit that defenses inside the perimeter are weak. Threats from internal users are also increasingly a cause for security concerns. Employees with malicious intent can launch (173) of service attacks or steal (174) information by snooping the network. As they access the corporate network, mobile and remote users inadvertently can infect the network with (175) and worms acquired from unprotected public networks. Hackers masquerading as internal users can take advantage of weak internal security to gain access to confidential information.

A．reserved

B．confidential

C．complete

D．mysterious

过冷现象在不同的体温阶段其症状是不同的。（）