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（）{ s =（）t; }最后一句语句的结果是（）

已知Student类有一个类属性__id，stu是Student类的对象，则利用stu访问__id属性的正确方法是()。 以下哪个是Student类创建对象的正确语句（） 通过Person类创建对象p的代码是__ The student could not _____ what the teacher was trying to explain（） （） interesting person our English teacher is! 在类Acoount中，正确引入类school.Student的语句是哪一项？（） If a student pronounces a word wrongly, teacher should______（） What is the dominant teacher-student relationship in China（） The teacher suggested that each student a plan for the vacation. The teacher asked the new student （） class he was in. When a teacher sees to it that every student has the equal access to lockstepactivities in class, the teacher is playing the role of a(n)_______. The teacher is strict _____ every student and _____ everything he does. [ ] The student is _________ see the teacher because he_________a mistake. The teacher is strict _____every student and _____everything he does. [ ] Your teacher is the person who teaches you. 假设student类定义了Name,ClassInfor,StuNumber，利用对象初始化器student类的一个对象并初始化它的属性，下面写法正确的是( ) When a teacher sees to it that every student has the equal access to lockstep activities in class, the teacher is playing the role of a(n)_______. 以下的SQL语句，Student与Person之间的关系是（　　）。CREATE TYPE Person（name char（20），address varchar（50））；CREATE TYPE Student（under Person（degree char（20）department char（20））； The student’s behavior cost the teacher asteepless night . He never thought his student ______ computer games for awhole class . The student’s behavior cost the teacher a steepless night He never thought his student ______ computer games for a whole class