【单选题】a. Some of the exercises are difficult. b. None of the exercises are difficult.
【单选题】Our special thanks to go thousands of volunteers, without ____tireless work, none of this would be possible.
【简答题】It was none other than P_______ Wu.
【简答题】阅读下列说明和C函数,填补C函数中的空缺,将解答填入答案纸的对应栏目内。 【说明】 字符串是程序中常见的一种处理对象,在字符串中进行子串的定位、插入和删除是常见的运算。 设存储字符串时不设置结束标志,而是另行说明串的长度,因此串类型定义如下: typedef struct ﹛ Char *str; //字符串存储空间的起始地址 int length; //字符串长 int capacity; //...
【单选题】No such weapons were used and none been found.