person development和personal development有什么区别吗?

person development和personal development有什么区别吗? better development和 further development的区别? 已知类person是类student的父类,以下数组定义和赋值哪些是正确的( ).A. person p[]=new person[3]; p[1]=new student(); B .student s[]=new person[3]; s[1]=new person(); C .person p[]= new student[3];p[1]= new person(); D .stud development development development by person和in person的区别 education 和development的动词形式是什么? education for sustainable development和sustainable development education的区别和联系education for sustainable development简称ESDsustainable development education简称SDE教育学上的一个问题 development history和development track这两种用法对不对?能否翻译成发展历史和发展轨迹 为啥有道词典development发音音标p音没有...development 英[dɪ'veləpm(ə)nt] person和people的区别 怎么区别people和person 怎么分辨people和person? 类Teacher和Student是类Person的子类Person p; Teacher t; Student s; //p,t and s are all non-null.if(t instanceof Person) { s = (Student)t; } 最后一句语句的结果是：A、 将构造一个Student对象； B、 表达式是合法的； C、 international和development有没有缩写?如题 development 的短语和意思,最好有例子 society development和social tevelopment 有什么区别