2012 Beijing Question 4 Single-choice Differentiating 2012_北京卷 (2012·理) 4.(5 分)执行如图所示的程序框图,输出的 S 值为 A. 2B. 4C. 8D. 16 Answer keyC ☆ SaveCan't do it, show the explanation查看原卷 →