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

Work ______ is the key to promotion. A: perform B: performance C: performing D: to perform

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

Next Monday is Mary’s birthday. She _____（perform）magic at the birthday party. A: will perform B: performs

They entertained the guests with ( __ ) (perform).

Praise must be used wisely to _______ students who perform up to expectations and to encourage students to perform to maximum levels.

设计、采购和施工总承包(EPC)的主要类型不包括( )。 A: EPC(max s/ B: EPC(Self-Perform Constructio C: EPCM D: EPCS

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()

The principles for machining sequence of each surface should be( )<br/>and perform rough machining before finish machining. A: perform datum surface machining before that of other surfaces B: perform main functional surface machining before less important surface machining C: perform plane surface machining before hole surface machining D: perform complex surface machining before simple surface machining