A. 10 1
B.6
C.5
D. iv
16. If the values of integer variables A, B, C and D are: 1, 4, 3, 2, then the conditional expression aq. type = " 1 "； q . ObjectID[q . ObjectID . length]= " RDO _ 899 f 1843-0f 05-47d 1-a3fd-45c 325 b7d 297 _ Response " q . Response[q . Response . length]= " Response "； q . Answer[q . Answer . length]= " "；
A. 1
B.2// I don't understand, hehe
C.3
D. iv
17. known int x = 23；; The output of printf(x++* 1/3) is (d).
A.8
B.7.66
C.7.33
D. VII
//Posted++is * 1 first, then ++ 3, and the division of two shaping operations is still shaping, and it is equivalent to quotient.
18. Variable statements int a, b, c; , execute the following statements in turn: a = b = c =1; ++ a | | ++ b & amp； & amp++ c； Then the value of the variable b should be (b).
A.2
B.1++a has been short-circuited below the condition.
C.0
D.3
19. After executing the following statement, the value of variable k is (b). int k = 1； while(k++〈 10÷；
///////////+is followed by comparison, and 1 is added first.
A. 10
B. 1 1
C.9
D it is an infinite loop with uncertain values.
20. The following statement is wrong (a).
A. user-defined identifiers allow the use of keywords.
B. User-defined identifiers should be as "famous" as possible.
C. User-defined identifiers must start with letters or underscores.
D In user-defined identifiers, uppercase and lowercase letters represent different identifiers.
2 1. When the following four expressions are used as control expressions of if statements, one option has a different meaning from the other three options, and this option is (d).
A.k%2
B.k%2= = 1
C.(k%2)！ =0
D.！ K% 2 = = 1/The remainder of the other three judgments divided by two is1.
22. The legal keyword provided by C language is (c).
A. System default values
B. tea
C. During ...
D. conversion
23. description: char a；; int b； Floating c; The data type of the value of the expression a+b-c is (c).
A. tea
B. Internationalorganizations (with international organizations)
C.float// has been transformed into a floating-point type through shaping and floating-point operation.
D. double
24. The 24.putchar function can output a (c) to the terminal.
A. integers
B. real numbers
C. characteristics
D. line
25. If the initial value of x is 10, the expression (x >；; 10? The value of x+ 100: x- 10) is (b).
A. 10
B.0//x & gt； If it is 10, execute x+ 100, otherwise execute x-10;
C. 100
D. 1
Note: All procedures have been verified.
//Best answer, hehe