【单选题】A派生子类B,B派生出子类C,在Java源代码中声明如下,以下说法哪个正确?Aa1=newA();Aa2=newB();Aa3=newC();
C.
所有行都能通过编译,但第2和第3行运行时出错。
【简答题】请用所给词的适当形式填空。 小题1: Here are my family _______(photo) 小题2:Jack is my good friend. I often help ______(he). 小题3: My father ______(lose)his keys yesterday(昨天). 小题4: She doesn’t watch TV every day, she___...
【简答题】根据括号中的中文含义,运用视频中学到的动词(或词组)的合适形式填空: He often ____ his keys at home (把钥匙遗忘在家里).
【单选题】Mr. Black’s memory is getting ______. As a result, he often leaves his keys at home.
【简答题】A: (1) ________________________ B: She often reminds him about his keys / to take his keys along. A: (2) ________________________ B: He is often reminded to take his keys along.
【简答题】课件上第二讲第4.5.6题写纸上,第三讲第3题写纸上,其他题上课提问,写整数的原码补码及其对应的真值,黑板上的一个题,附图。 [2]课本63页4.(2) 5.(3) 6.(3) 注: 纸上的作业周四早上收
【判断题】一年以上的定期存款,应在“货币资金”项目下列示。
【简答题】John is very___________( 粗心的 ) and he often loses his keys.
【单选题】He often _________________his keys at home.
【简答题】鲜活商品不宜采用售价金额核算,一般采用______、______的核算方法。