1 . as引导非限制性定语从句
During their first day, ________________ (温哥华一如往常), it rained.（根据汉语提示补全句子）

2 . ________(寓意活力，和谐，统一的中国结是一种独一无二的艺术品 symbolize), and embodies people’s best wishes. (根据汉语提示完成句子)

3 . ________________(如上所述), if you want to see a thing well, reach out and touch it.

4 . In 1944, Saint-Exupéry left on a wartime mission over occupied France, ________ (他再也没有从那里回来). (根据汉语提示完成句子)

5 . He borrowed a book the other day, ________________.
那天他借了一本书，书的作者是一名工人。

6 . It is worthwhile to make an attempt at the digital imaging technology, ______(它有助于提高效率) (根据汉语提示完成句子)

7 . They are recording and collecting digital images of cultural relics from the Mogao Caves, __________ (它是一个重要站点) along the Silk Road throughout China’s ancient history. (根据汉语提示完成句子)

8 . The animated version of The Three-Body Problem, which ____________________(改编自畅销科幻小说，adapt), met mixed responses from the audience since its release in December. (根据汉语提示完成句子)

9 . ________________(正如报纸上所宣布的那样)，our country has launched another man-made earth satellite. (根据汉语提示完成句子)

10 . Besides, there will be a lot of useful and interesting activities, ________ ________(从活动中) you can have a clearer picture of Chinese culture. (根据汉语提示完成句子)