设有说明int(*ptr)[M]，其中的标识符ptr是 (45) 。
A．M个指向整型变量的指针
B．指向M个整型变量的函数指针
C．一个指向具有M个整型元素的一维数组的指针
D．具有M个指针元素的一维指针数组，每个元素都只能指向整型变量
参考答案：C
解析：
本题考查C语言中指针与数组的应用。
在C语言中，定义指针数组的方法是(数据类型*指针数组名[常量表达式])，而题目中给出的说明是int(*ptr)[M]，因此，不是定义指针数组的方法，而是定义一个指向具有M个整型元素的一维数组的指针。
| 完形填空。 | |||
| A boy was walking in the street __1__ a man came over __2__ him and __3__ him the way __4__the station. The boy was very naughty（顽皮的）. He wanted __5__ play a joke on the man. He pointed to __6___ side of the road and said, “Go down the street until you reach a shop. You can find it on your left.” The man thanked him and went away. A few minutes __7__the man came back. He said to boy that there was only a bookshop there and he __8__ find the station. The boy __9__ and said, __10__a map in the bookshop, and you’ll find the way!” | |||
| ( )1. A. but ( )2. A. from ( )3. A. ask ( )4. A. to ( )5. A. to do ( )6. A. another ( )7. A. before ( )8. A. can’t ( )9. A. cried ( )10. A. Buy | B. because B. to B. asked B. for B. to B. the other B. after B. may not B. smiled B. Carry | C. then C. for C. tell C. at C. show C. one more C. past C. couldn't C. run C. Show | D. when D. with D. told D. in D. to show D. two D. later D. mustn’t D. angry D. Borrow |