题目内容

There is a definition: int x = 2;, in the following expression, where the value is not 6, it is ( )

A. x*=x+1
B. x++,2*x
C. x*=(1+x)
D. 2*x,x+=2

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If C is defined as a character variable, the correct one in the following statements is ( ).

A. c='97';
B. c="97";
C. c=97;
D. c="a";

An algorithm can only be implemented in one programming language

Program is the concrete realization of algorithm in a programming language

The essence of computational thinking is abstraction and ( ).

A. recursion
B. loop
C. branch
D. automation

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