精选优质文档-倾情为你奉上一、选择题(共30分,每小题2分)题目1题干假定有“struct BOOKchar title40; float price; struct BOOK book;”,则不正确的语句为( )。选择一项:a. struct BOOK *x=malloc(book);b. struct BOOK x=C+ Programming,27.0;c. struct BOOK *x=malloc(sizeof(struct BOOK);d. struct BOOK *x=&book;题目2题干假定有“struct BOOKchar title40; float price; book;”,则正确的语句为( )。选择一项:a. struct BOOK x= &book;b. struct BOOK *x=&book;c. struct BOOK x=calloc(BOOK);d. struct BOOK *x=BOOK;题目3题干在结构类型的定义中