无菌包被浸湿应（） A.重新灭菌后备用 B.晾干后备用 C.马上使用 D.烤干后备用

阿司匹林哮喘

阅读“PPE怪圈” 材料：“PPE怪圈” 是指贫困(Poverty) 、人口(Population) 和环境(Environment) 之间形成的一种互为因果的关系图（图6）。完成问题。

小题1:在图7中，a、b、c、d四点代表的人口增长状况最有可能产生“PPE怪圈”的是（    ） 

A．a

B．b

C．c

D．d小题2:下列国家中目前基本不存在“PPE怪圈” 的是（     ） 

A．中国

B．印度

C．加拿大

D．巴西

Certificates are (16) documents attesting to the (17) of a public key to an individual or other entity. They allow verification of the claim that a given public key does in fact belong to a given individual. Certificates help prevent someone from using a phony key to (18) someone else. In their simplest form, Certificates contain a public key and a name. As commonly used, a certificate also contains an (19) date, the name of the CA that issued the certificate, a serial number, and perhaps other information. Most importantly, it contains the digital (20) of the certificate issuer. The most widely accepted format for certificates is X.509, thus, Certificates can be read or written by any application complying with X.509.

A．impersonate

B．personate

C．damage

D．control

下列协议中，（）定义了组播中组的成员加入和退出机制。

A．RARP

B．ARP

C．IGMP

D．ICMP

编制资金使用计划过程中最重要的步骤是( )。

A．选择合适的编制方法
B．确定资金总额
C．分解项目的投资目标
D．调整计划值