2025年C語言考試熱點問題試題及答案

2025年C語言考試熱點問題試題及答案姓名：____________________

一、單項選擇題（每題2分，共10題）

1.以下哪個選項是C語言中的基本數(shù)據(jù)類型？

A.float

B.char

C.int

D.alloftheabove

2.在C語言中，以下哪個函數(shù)用于將字符串復(fù)制到另一個字符串中？

A.strcpy()

B.strcat()

C.strlen()

D.strcmp()

3.以下哪個關(guān)鍵字用于定義一個整型變量？

A.int

B.float

C.char

D.void

4.在C語言中，以下哪個運算符用于取模運算？

A.%

B./

C.*

D.+

5.以下哪個關(guān)鍵字用于定義一個結(jié)構(gòu)體？

A.struct

B.union

C.enum

D.typedef

6.在C語言中，以下哪個函數(shù)用于輸出一個整數(shù)？

A.printf()

B.scanf()

C.getchar()

D.putchar()

7.以下哪個關(guān)鍵字用于定義一個函數(shù)？

A.func

B.return

C.void

D.int

8.在C語言中，以下哪個運算符用于邏輯與運算？

A.&&

B.||

C.!

D.==

9.以下哪個關(guān)鍵字用于定義一個數(shù)組？

A.array

B.[]

C.struct

D.union

10.在C語言中，以下哪個函數(shù)用于動態(tài)分配內(nèi)存？

A.malloc()

B.free()

C.calloc()

D.realloc()

二、填空題（每題2分，共5題）

1.C語言中，定義一個整型變量的語法是：____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________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