脚弓踢球时的助跑方向是()。 ["直线助跑","斜线助跑","曲线助跑","弧线助跑"]
何谓吸附(收)法?
public class Base { public static final String FOO = “foo”; public static void main(String[] args) { Base b = new Base(); Sub s = new Sub(); System.out.print(Base.FOO); System.out.print(Sub.FOO); System.out.print(b.FOO); System.out.print(s.FOO); System.out.print(((Base)s).FOO); } } class Sub extends Base {public static final String FOO=bar;} What is the result?() [" foofoofoofoofoo"," foobarfoobarbar"," foobarfoofoofoo"," foobarfoobarfoo"," barbarbarbarbar"," foofoofoobarbar"," foofoofoobarfoo"]
简述比较教育借鉴时代及其研究的特点。
足球比赛掷界外球时,()。 ["可单脚离地","可双脚离地","双脚均不能离地","可进入比赛场地"]
简述期刊工作现代化的标志。