函数left(‘How are you’,3)的结果为( )
A: you
B: are
C: How
D: How are you
A: you
B: are
C: How
D: How are you
举一反三
- A: Hello, Judy, thank you for your waiting, _____________ ?B: Not bad, ______________?A: Good. A: How are you, How do you do B: How are you, How are you C: How do you do, How do you do D: How do you do, How are you
- ________是C语言中合法的字符串常量？ A: How are you? B: "How are you ?" C: 'How are you?' D: $How are you?$
- --________?-- I feel happy. A: How are you B: How do you feel C: How old are you D: How do you do
- 英语中“你好吗？”可以说“（）”。 A: How do you do？ B: How are you？ C: How have you been？ D: How are you today？
- 表达式Left("how are you",3)的值是 A．how B．are C．you D．how are you