—I’m going to Hong Kong for a couple of days.—. I wish I could get away for a while.A. I c

—I’m going to Hong Kong for a couple of days.
— . I wish I could get away for a while.
A. I can’t agree more
B. I really envy you
C. It doesn’t matter
D. Forget it

A. I can’t agree more(答案→)B. I really envy youC. It doesn’t matterD. Forget it解析：考查交际用语：A. I can’t agree more我非常赞同，B. I really envy you我很羡慕你， C. It doesn’t matter 没关系D. Forget it忘了吧，句意：-我要到香港几天。--我真的羡慕你。我也希望能离开几天。选B。

我学会了

谢谢了

D解析分析：多项式中次数最高项的次数是这个多项式的次数，每个单项式叫做多项式的项．解答：多项式xy2+xy+1的次数是3，项数是3，所以是三次三项式．故选D．点评：理解多项式的次数的概念是解决此类问题的关键．