单项选择题

作为代理服务器的堡垒主机运行的是（）

A.代理服务器软件
B.网络操作系统
C.数据库管理系统
D.应用软件

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单项选择题

氯乙烯比氯乙烷活泼。
A、正确
B、错误

1. Zhoushan is located in the northeast of Zhejiang Province, east of the East China Sea, west of Hangzhou （1） , Shanghai to the north and Ningbo to the south舟山位于浙江省东北部，东临东海，西靠杭州湾，北接上海，南接宁波2. Zhoushan Fishing Ground is China's largest base for the production, （2） and marketing of marine products.舟山渔场是中国最大的海产品生产、加工和销售基地。3. It is known as the East China Sea Fish （3） and Seafood Capital. 它素有东海鱼屋和海鲜之都的美誉。4. Welcome to Putuo, the land of Buddhism on the sea, let’s experience the profound （4） culture and feel the mysterious colors of Putuo.5. The highest （5） of the mountain is the Bodhisattva on the top of Buddha's top mountain, which is 288.2 meters above sea level.这座山的最高峰是佛顶山顶的菩萨，海拔288.2米。

答案： Bay;processing;Cabin;Buddhist;peak