You are the network administrator for Company. Company has recently upgraded its network to a 100Mbps standard and you are now in the process of removing all the old adapter and installing a new Token Ring network adapter into the Windows 2000 Professional computer. On the first computer you install the new hardware and configure the static TCP/IP protocol settings to be the same as they were for the previously installed network adapter. When you restart the computer, however, you cannot access the network. You try to ping your network adapter's TCP/IP address locally. You receive the following error message: "Request timed out." You want to enable the computer to communicate on the new network. What should you do? ()
A. Enable DHCP in the TCP/IP properties.
B. Replace the Token Ring network adapter with an Ethernet network adapter.
Configure a different TCP/IP address on the same subnet.
D. Configure a valid DNS Server in the TCP/IP properties.
患儿,5周岁。两周前曾患上感,目前不规则发热,易疲倦,脸色略苍白。查体发现,心率增快,心尖部第一心音减弱,并可闻及早搏,心电检查:P-R间期延长,ST段下移,实验室检查:C反应蛋白增高该患儿首选药物是什么()
A. 水杨酸制剂
B. 洋地黄类药物
C. 地塞米松制剂
D. 镇静剂
E. 抗生素