参考答案:A
答案解析:[解析] 题中程序的功能是统计字母m在字符串“Welcome Home!”中出现的次数。程序中有两个字符串函数,Len()和Mid()。Len()函数的作用为计算字符串中字符的个数,而Mid()函数的
AD. When camping or picnicking, what kinds of food shall we have
When camping or picnicking, what kind of food shall we have
We shall have ( ) food.
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