【单选题】list1 = ["123", "456"] list2 = ["abc", "defg"] list1.extend(list2) print (list1) 运行的结果是
C.
'123', '456', 'abc', 'defg'
D.
['123', '456', 'abc', 'defg']
【简答题】下面程序的执行结果是 。 List list= new ArrayList(); String s1= "abc " ; String s2= "def" ; list.add(s1); list.add(s2); list.add(s1); list.add(s2); list.remove(2); Iterator i=list.iterator(); while (i.hasNext()) ...
【简答题】为方便宾客、促进消费,绝大多数酒店向登记入住的宾客提供()结账服务。
【判断题】为方便宾客、促进消费,绝大多数酒店向登记入住的宾客提供零星收款的结账方式。
【单选题】请阅读短文,完成第题。 What should you think about in trying to find your career? You are probably better at some school subjects than others. These may show strengths that you can use in your work. A boy who is...
A.
The importance of doing well at school.
B.
Using school performance to help to choose a career.
C.
The importance of being good at all subjects.
D.
The indirect value of schoolwork.