public class SomeException { } Class a： public class a { public void doSomething（） { } } Class b： public class b extends a { public void doSomething（） throws SomeException { } } Which is true about the two classes？（） [" Compilation of both classes will fail."," Compilation of both classes will succeed."," Compilation of class a will fail. Compilation of class b will succeed."," Compilation of class a will fail. Compilation of class a will succeed."]
全国政协11月24日下午在京召开第五十九次双周协商座谈会，围绕“（）”建言献策。 ["食品安全监管体系建设","加快生产安全监管体系建设","生产安全监管体系建设","加快食品安全监管体系建设"]
简述在柯达伊歌唱教学中，准确音调歌唱的三个条件。
下列关于JavaScript的叙述正确的有（） ["对象引用在编译时不进行检查","在HTML中用---标识","变量声明采用强定义类型","可动态装载","在HTML中不用定义就可引用"]
简述柯达伊教学法中幼儿歌唱教学的三个要点。
笔石页岩相
