1 . ________________ (手工艺人世代传承的技术，pass) have played a vital role in maintaining cultural diversity. (根据汉语提示完成句子)

2 . 根据提示将下列英语句子进行升级训练
1. I’m glad to receive your letter．You ask for my advice on how to learn Chinese well．（用现在分词合并句子）
→I’m glad to receive your letter_____________________________________________．
2. Nowadays English has become an international language．It is used among people from different countries．（用过去分词合并句子）
→Nowadays English has become an international language_____________________________________________．
3. Here is some advice．I hope it may be useful to you．（用定语从句合并句子）
→Here is some advice _____________________________________________．
4. English is playing a more and more important part in our life，and because of this，many people are trying hard to learn English．（用非限制性定语从句改写句子）
→English is playing a more and more important part in our life，_____________________________________________．
5. You can get some tapes．English is spoken clearly and not too fast in them．（用定语从句合并句子）
→You can get some tapes_____________________________________________．

3 . This novel was once the_______book in high schools in the United States.(read)
这部小说曾经是美国高中阅读最广泛的书。

4 . It was cold and damp. The man pulled up his collar and put his hands to his_____(冻僵了的脸) (freeze).

5 . 解决这一问题的关键就是满足顾客提出的要求。
The key to solving the problem is to meet the demands________________.

6 . 人们期待这些从全国选出的运动员在这次夏季比赛中能给我们带来荣耀。
The players ________________are expected to bring us honor in this summer game.

8 . The poem, ________________ (受到高度评价), will be published next month. (recommend) (根据汉语提示完成句子)

9 . Many students lost in playing computer games will eventually get their future ruined .
Many students ________ ________ playing computer games will eventually get their future ruined .