1 . 请从方框中选择合适的单词，填入句中。单词无需变化形式，有两个单词是多余的。

owe, advertising, combine, dismiss, abandon, adaptations, available, contribution, inefficient, approved, witnessing, acquire

1. It seems obvious now how we ________ knowledge and understanding by questioning observing, considering, and validating to find the most suitable answers.
2. At first, people ________ of his studies and urged him to continue, but later they became angry and put him in prison.
3. We ________ so much of our knowledge and understanding of the world to great people.
4. One disadvantage is that there is so much diverse information ________. hence it can be difficult to find the right information and to decide if the information can be trusted.
5. Figuring out what to acknowledge and what to ________ on the Internet is really challenging.
6. Some sites are bringing the news directly from the people who are experiencing or ________ it, on the spot of a car accident for example.
7. One may think that it is the book writer who is in the best position to do film ________
8. To stand out, they must ________ the highest standard of design with creative ways to make people believe they “must have the product”.
9. The ________ industry started with the fundamental purpose of promoting and selling goods to people who might need them.
10. However, not all advertising is about selling products and services for a profit. Some advertisements nowadays aim to make a ________to society and welfare.

2 . 21世纪目睹了人类社会的飞速发展。
____________the high-speed development of human society.

10 . 此外，还播放了关于三年生活的视频，这些视频见证了我们成长的整个过程。
What’s more, videos about the three years’ life, which ________________, were played.