题目

执行如图所示的程序框图，输出的值为（ ）A. 9 B. 45 C. 126 D. 270 答案：【答案】C【解析】按照程序框图运行程序，直到不满足输出结果即可.按照程序框图运行程序，输入，，满足，循环；，，满足，循环；，，满足，循环；，，满足，循环；，，不满足，输出本题正确选项： Which do you enjoy _____ the coming weekend, picnicking or a visit to Shanghai World Expo?    A. to spend      B. to spending     C. spending      D. on spending