what is milestone for 12-months baby? A: pulls to stand B: beginning to walk alone C: scribbles on paper D: immature pincher, feeds self E: beginning to walk alone

The mirror test is used to investigate children’s recognition of ( ). A: Spiritual self B: Subjective self C: Material self D: Objective self

以下程序的输出结果是（）。 classA: deffun1(self):print("fun1A") deffun2(self):print("fun2A") classB(A): deffun1(self):print("fun1B") deffun3(self):print("fun2B") b=B() b.fun1() b.fun2() a=A() a.fun1() a.fun2()

self表示

______, all the sophomores in colleges and universities must take part in the College English Test. A: Beginning that year B: Beginning on that year C: Beginning in that year D: Beginning that year on

class Student:def __init__(self,name,age):self.name=nameself.age=agedef fun1(self):print("hello")（ ）def fun2(self):print("yes")child=Child("Tom",20)child.fun1()

在A类的某个方法中，“super()”等价于（ ）。? super(self)|super|super(A,self)|super(A)

Express your self in English.

Find your true self and

关于self关键字说法错误的是（） A: 每个类属性定义前都要加self关键字； B: 每个对象属性定义前都要加self关键字； C: self关键字传递的是当前对象自身； D: 函数内部定义的变量时不使用self关键字，则说明定义的是函数内部局部变量;