编程：输入一段英文文本，统计该文本中单词的出现次数。比如"How are you.how are you"的统计结果是{"how":2,"are":2,"you":2}，要求用函数调用的方法实现。

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？

This book will show you _______ can be used in other contexts. A. how you have observedB. how what you have observed C. that you have observed D. how that you have observed A: how you have observed B: how what you have observed C: that you have observed D: how that you have observed

How do you do? I’m li Ming. A: How are you, Mr Li? B: How do you do, Mr Li? C: How do you do, Ming? D: How are you, Ming?

_______your father wants to know is________ getting on with your studies. A. What; how are you B. What ； how you are C. How ； that you are D. That ； how you are

函数left(‘How are you’,3)的结果为( ) A: you B: are C: How D: How are you

—_______________?—I feel nervous. A: How do you do? B: How do you feel? C: How about you?