A.because
B.unless
C.while
D.the moment
第1题:
A.Studentstu=newStudent(“Tom”,23);stu.study(“数学”);
B.Student.study(“数学”);
C.Studentstu=newStudent(“Tom”,23);stu.study();
D.Studentstu=newStudent(“Tom”,23);Stringresult=stu.study(“数学”);
第2题:
I _________ (watch) TV when someone knocked at the door.
第3题:
2. 我没听见你刚才说的什么,我看电视呢。 I didn't hear what you said just now. I ________ (watch)TV.
第4题:
Are you the sailor on duty/ watch?
第5题:
第6题:
4、输出如下程序结果,并简要说明程序运行原理: import Netimport random name='小明' time=0 print(name,'上网时间、行为统计:') time += Net.net_play(1.5) time += Net.Watch_videos(2) time += Net.Play_game(3) time += Net.Study(2) Net.times(time)