Given two files, GrizzlyBear.java and Salmon.java: If both classes are in the correct directories for their packages,and the Mammal class correctly defines thefindSalmon() method, which change allows this code to compile?() ["add import animals.mammals.*; at line 2 in Salmon.java","add import animals.fish.*; at line 2 in GrizzlyBear.java","add import animals.fish.Salmon.*; at line 2 in GrizzlyBear.java","add import animals.mammals.GrizzlyBear.*; at line 2 in Salmon.java B"]
形式美
极大日期出现在每年10月份的是()流星雨。 ["猎户座","双子座","天琴座","仙女座"]
鲁迅小说最重要的贡献是()上的突破。
税收作为一种重要的再分配工具,可能在()方面发挥作用。 ["促进资源配置合理化","刺激经济增长","稳定物价","提高人们收入水平"]
根据数据来源不同,间接数据可分为()和()。