是volume1的课后答案，以前从网上下了几个，可是都不是，这个绝对正宗。先给2－1的答案。2-1ModifyHello.cppsothatitprintsoutyournameandage(orshoesize,oryourdog’sage,ifthatmakesyoufeelbetter).Compileandruntheprogram.Solution:TheoriginalHello.cppappearedinthetextasfollows://SayingHellowithC++#include/