A. is value
B. counts
C. is possible
D. costs
第1题:
classWorkimplementsRunnable{Threadother;Work(Threadother){this.other=other;}publicvoidrun(){try{other.join();}catch(Exceptione){}System.out.print("afterjoin");}}classLaunch{publicstaticvoidmain(String[]args){newThread(newWork(Thread.currentThread())).start();System.out.print("afterstart");}}结果为:()
A.afterjoin
B.afterstart
C.afterjoinafterstart
D.afterstartafterjoin
第2题:
Tom's father wants __________him.
A.making a doctor
B.a doctor made from
C.to make a doctor of
D.to make a doctor by
第3题:
第4题:
A. Every 5 minutes
B. Every 90 seconds
C. Every 60 seconds
D. Every 30 seconds
第5题:
Each life jacket light that has a non-replaceable power source must be replaced ______.
A.every 6 months after initial installation
B.every 12 months after initial installation
C.every 24 months after initial installation
D.on or before the expiration date of the power source
第6题:
关于以下代码说法正确的是(_____)。 class Student: def language(self): print ("All the students like Python") class Mary(Student): def work(self): print("Mary is programming") class Tom(Student): def language(self): print("Tom likes JAVA") mary = Mary() tom = Tom()
A.mary.language()会打印出All the students like Python
B.tom.language()会打印出All the students like Python
C.tom.work()会打印出Tom is programming
D.tom.language()会打印出Tom likes JAVA