測(cè)驗(yàn)2

1、1 分?jǐn)?shù): --/1 Which is the correct explaination after the declaration statement : int ( * pt )[3]; 選擇一個(gè)答案 A. It defined three pointers which base type (基類(lèi)型） are int B. It defined a pointer variable named pt ，pt poin

2、ts to a 2-D array which has three members in each row. C. It defined an array named * pt which base type is int , and there are three members in the array D. It defined a pointer array with three members ,and the array

3、's base type is int 提交 Question 2 分?jǐn)?shù): --/1 After declaration statement :double a[10],*s=a; Which expression stand for the element a[3] ? 選擇一個(gè)答案 A. *(s+3) B. (*s)[3] C. *s+3 D. *s[3] 提交 Question 3 分?jǐn)?shù): --

4、/1 After the following statements : char s1[10]=“abcd!“, *s2=“\n123\\“; printf(“%d %d\n“, strlen(s1), strlen(s2) ); Which answer is the correct result ? B. w.year = 1980; C. * pw.year = 1980; D. pw->year = 1980;

5、 提交 Question 6 分?jǐn)?shù): --/1 After running the program: #include main（ ） { FILE * fp, char str[10]; fp = fopen(“myfile.dat“, “w“); fputs(“abc“, fp); fclose( fp ); fp = fopen(“myfile.data“, “a+“); fprintf(“fp, “%d“,28); re