根据中文提示完成下面的对话。

Wu: Look! This is my holiday picture.

Sarah: Is it a nature park?

Wu: Yes, it is.

Sarah: 1_______________________________ (公园里有森林吗？)

Wu: 2_______________________________ (有).

Sarah: 3_______________________________ (公园里有花儿吗？)

Wu: 4_______________________________ (有).

Sarah: Is there a river?

Wu: 5_______________________________ (没有). But there is a lake.

Sarah: Do you like this park?

Wu: Yes, it's pretty.

以下程序中，for循环体执行的次数是 【11】 。 # define N 2 # define M N+1 # define K M+1*M/2 main() { int i; for(i=1; i＜K; i++) { ...} ... }