英译中和中译英，英文高手进。。。

1.After a lot of persuasion,their quarrel came to an end at last

2.The environmental pollution problem is extermely difficult to work out

3.A huge number of books are available in our library,ranging from science to archeology

4.I wondered if the marriage would last long,but the couple seemed to be living in peace

5.婴儿对他们周围的一切都充满了好奇心。（be curious about)

6.因特网现在已经很普及了。（popular)

7.好消息！一些名牌手提电脑在降价销售呢！（on sale)

8.目前，失业的人可享有免费的在职培训。（out of work;on-the-job)

经过很多人的劝说，他们终于和好如初了

环境污染问题极其难以解决

我们的图书馆里提供的书籍从科普类到考古类应有尽有

我担心这段婚姻是否会长久，但夫妻两一直生活得相安无事

Babies are curious about everything around them.

The internet is very popular with people now

Good news! some exercellent laptop are on sale

At present, people who are out of work can get on-the-job training free