第6题: [单项选择]The experiment with the dove implied that ______. A. birds should be taught to navigate B. a dove that has been caged will not fly long distances C. some birds cannot fly at night D. some birds seem to follow the stars when they fly at night 参考答案:D 答案解析:见第二段中句子“Tests with artificial stars have proved that certain night-flying birds are able to follow t
第31题: [单项选择]下列定义中p指向的地址可更改，但*p不能够更改的是( )。 A. const int *p； B. int * const p； C. const int *const p； D. int * p； 参考答案:A 答案解析:[解析] const int*p：是只能改变指针地址，Int*const p;是只能改变*p的内容，constmt*const p;是指针的地址和*p的内容都不能改变，Int *ps是两者都能改变。
