以公有制为主体的()是社会主义市场经济体制的基础。
A、承包经营责任制
B、现代企业制度
C、承包责任制
D、厂长经理负责制
参考答案:B
霍乱最主要的治疗方法是()
A.卧床休息,流质饮食
B.液体疗法
C.抗菌药物治疗
D.对症治疗
E.输血、输血浆
An internet is a combination of networks connected by (1). When a datagram goes from a source to a (2), it will probably pass many (3) until it reaches the routerattached to the destination network. A router receives a (4)from a network and passes it toanother network. A router is usually attached to several networks. When it receives a packet, towhich network should it pass the packet The decision is based on optimization: Which of theavailable(5) is the optimum pathway
(4)是()
A.destination
B.resource
C.packet
D.source