The diesel engine must be started before it can run by it self For this purpose （） has to be used.

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

The following content that does not belong to Confucius' thought is ( ) A: People with perfect virtue have universal love B: to govern by doing nothing that goes against nature C: to run a country with morality D: to subdue one’s self and turn to propriety

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()

【单选题】已知协程方法Run,下列组合,能正常结束协程的是() A. StartCoroutine(Run()); StopCoroutine(Run()); B. StartCoroutine(Run()); StopCoroutine("Run"); C. StartCoroutine("Run"); StopCoroutine(Run()); D. StartCoroutine("Run"); StopCoroutine("Run");

self表示

It pays ______ to buy goods of high quality. A: in the long run B: in the short run C: at a run D: on the run

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()

He didn't expect to ______ some of his friends here. A: run for B: run over C: run off D: run into

The contract will______at the end of the year. A new one will have to be drawn. A: run out B: run into C: run on D: run after