对于经济欠发达国家来说,旅游经济发展模式一般都是率先发展()
A. 国内旅游
B. 出境旅游
C. 入境旅游
D. 边境旅游
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下述Hz受体拮抗药物中,抑酸作用最强且持久而副作用少的是()
A. 雷尼替丁
B. 西咪替丁
C. 法莫替丁
D. 尼扎替丁
E. 罗沙替丁
根据《建设工程施工专业分包合同(示范文本)》(GF-2003-0213),承包人应提供总包合同供分包人查阅,但可以不包括其中有关()。
A. 承包总进度要求
B. 项目业主的情况
C. 违约责任的条款
D. 承包工程的价格内容
A network includes a RIPv2 domain, an EIGRP domain, and an OSPF domain. Each pair of routing domains has multiple routers redistributing routes between the p air of domains. The design requires that the redistribution configuration avoid matching based on prefix/length because of the trouble in maintaining such configurations. Which one of the following tools can be used in all three routing domains to attem pt to prevent domain loops?()
A. Setting route tags
B. Setting the default administrative distance differently for internal and external routes
C. Setting administrative distance differently per route
D. Setting metrics much higher for all ext ernal routes than for all internal route