CSA protects your host by： （） [" Preventing browsers from opening network sockets inlistening state."," Preventingbuffer overflows."," Preventingusers from entering unencrypted passwords"," Preventing browsers from acting as client to webservers."]
回转波的形成和特点。
《中华人民共和国学位条例》颁发于（）年。 ["1980","1992","1975","1991"]
有的学生不肯吃（），引起多种维生素和矿物质的缺乏，这给成年后患高血压、高血脂、动脉硬化等疾病留下隐患。 ["蔬菜","鱼类","奶类","植物油"]
资本资产定价模型揭示了（）的基本关系。 ["投资","收益","风险","市场"]
义大利营的百夫长是谁？
