患者，男，65岁。右肢体运动障碍2天。CT示左中央区低密度，内有斑片状高密度，诊断为（）
A. 急性脑梗死
B. 亚急性脑梗死
C. 慢性脑梗死
D. 急性出血性脑梗死
E. 急性脑出血
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在社会主义初级阶段，阶级矛盾和阶级斗争可能呈现的状态是（）
A. 已经不存在了
B. 仍将在一定范围内长期存在
C. 在某种条件下有可能激化
D. 阶级斗争已经不再是主要矛盾
Which two statements best describe the Cisco Unified Wireless Network？（）
A. The Cisco Unified Wireless Network provides the framework to segregate wired and wirelessnetworks to deliver the best security for companies that are deploying WLANs.
B. The Cisco Unified wireless Network provides the framework to integrate and extend wired andwireless networks to deliver the lowest-possible total cost or ownership for companies that aredeploying WLANs
C. The Cisco Unified Wireless Network extends "wireless awareness" into important elements ofthe network infrastructure， providing the same level of security for WLANs that organizations havecome to expect from their VPNs.
D. The Cisco unified Wireless Network extends "wireless awareness" into important elements ofthe network infrastructure， providing the same level of security scalability， reliability ease ofdeployment and management for WLANs that organizations have come to expect from their wiredLANs.
电网电能损耗率是表征电力工业经济效益和管理水平的综合性技术经济指标。（）
A. 正确
B. 错误
药品从国外进口，须经国务院药品监督管理部门组织审查，批准后发给（）
A. 进口药品注册证书
B. 《进口药品通关单》
C. 《进口准许证》
D. 药品批准文号
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