【判断题】有机磷农药能与动物体内胆碱酯酶活性中心丝氨酸上的羟基以共价键牢固结合,从而 不可逆 抑制胆碱酯酶的活性。
【单选题】阅读下面程序 public class OperatorsAndExpressions{ void equalsMethodl(){ String s1=new String('how are you'); String s2=new String('how are you'); System.out.println(s1==s2); } public static void main(Strin...
【简答题】阅读下面程序 public class OperatorsAndExpressions { String conditionalExpression(int score) { String result; //如果score超过60分,则结果是passed,否则是doesn't pass result=(score>=60)?'passed':'doesn't pass': System.out....