题目

I spent half an hourtalking this problem with him. (改为一般疑问句) 答案：Did you spend half an hour talking this problem with him?诗中用一个“观”字统领全文，采用的写法，把眼前的海上景色和自己的雄心壮志巧妙地融合在一起，抒发了诗人的抱负。