void My Funco I Demo D; cout<"在 My Func0中抛掷Expt类异常。" end: throw Exptl int main( cout<<"在main函数中。"<<endl tr cout<<"在try块中,调用 My Func0) ≤endl; My Func(;void MyFunc() { Demo D; cout<< "在MyFunc()中抛掷Expt类异常。" << endl; throw Expt(); } int main() { cout << "在main函数中。" << endl; try { cout << "在try块中，调用MyFunc()。" << endl; MyFunc(); }