纵波
2. public class Foo implements Runnable ( 3. public void run (Thread t) { 4. system.out.printIn(“Running.”); 5. } 6. public static void main (String[] args) { 7. new thread (new Foo()).start(); 8. ) 9. ) What is the result?() [" An exception is thrown."," The program exists without printing anything."," An error at line 1 causes compilation to fail."," An error at line 6 causes the compilation to fail."," “Running” is printed and the program exits."]
下列各句中标点符号使用完全正确的一组是()。 ["图形文字和原始绘画有本质的区别:图形文字是记录语言的工具,而原始绘画不是。绘画要求传情表达逼真,而图形文字只求达意明确。","人类最好的朋友(水),有一个怪脾气,从摄氏4度开始,越冷越发“胖”,到摄氏0度时就结冰啦","“在地图上神游天地,”塞万提斯写道,“不像旅行那样要花钱,会使人疲劳,又可免受冷热饥渴之苦和种种不便。”","去年七月全国卫生会议,就明确地制订出:以预防为主,治疗为辅的卫生总方针。"]
毒性作用或毒效应
证据规则的意义是什么?
长期边际成本曲线与长期平均成本曲线相交于长期平均成本曲线的()点