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单选题 下列选项中,均为合法标识符的选项是______
学科：C++语言程序设计
时间：2023-11-05 15:30:18
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题目1单选题
Is every letter in a C++ keyword in lowercaseA. trueB. false
题目2单选题
下列选项中,均为合法标识符的选项是______A. prog a&b 2meB. cc@m C++ a_bC. int a abD. _Line L23 Cout
题目3单选题
以下符号中不能做标识符的是______A. _256B. voidC. sinD. Int
题目4单选题
下列标识符中,不合法标识符为______A. a#bB. _intC. a_10D. Pad
题目5单选题
A character is stored in __________A. one byteB. two bytesC. three bytesD. four bytes
题目6单选题
在 C++ 中,合法的数据类型的关键字是______A. DoubleB. shortC. integerD. Char
题目7单选题
下列数据类型的长度排列正确的是______A. bool = char < int ≤ long = float < doubleB. char < bool = int ≤ long = float < doubleC. bool < char < int < long < float < doubleD. bool < char < int < long = float < double
题目8单选题
To improve readability and maintainability, you should declare _________ instead of using literal values such as <img src="https://tihai-oss-cloud.itihey.com/img/55dea7ee841ab8564d76249aaa11c797.png"> = 3.14159A. variablesB. functionsC. constantsD. classes
题目9单选题
Analyze the following code. #include <iostream> using namespace std; int main( ) { int month = 09; cout << "month is " << month; return 0; }A. The program displays month is 09B. The program displays month is 9C. The program displays month is 9.0D. The program has a syntax error, because 09 is an incorrect literal value
题目10单选题
Which of the following statement prints smith\exam1\test.txtA. cout << "smith\exam1\test.txt"B. cout << "smith\\exam1\\test.txt"C. cout << "smith\"exam1\"test.txt"D. cout << "smith"\exam1"\test.txt"
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