1 . 根据所给10个英语单句的意思，从所给的15个词汇中挑选出10个合适的词或短语分别给每个句子填空。

access     announced     approach     broke away from     disease evidence     false     joined to     opportunity     puzzle perform     roar     treatment     updated     various

1. We can get the most __________information from large databases.
2. She believes that it is highly important to bridge the digital divide and make sure that everyone has __________to the Internet and knows how to use new technology.
3. Trolls often use several __________names so that they can stay on a site.
4. Getting to know a little bit about British history will help you solve this __________.
5. Finally, in the 20th century, the southern part of Ireland __________the UK, which resulted in the full name we have today.
6. And down by the sea, the __________ of the ocean waves and cries of the seabirds make up the music of the coast.
7. Imagine having the __________ to sing together with hundreds of other people while you are at home alone.
8. Virtual choir members record themselves while they __________alone on video.
9. Two years ago, I was told I had a serious __________which was difficult to cure.
10. At the same time, we all go through __________ periods when we feel sad or alone.

4 . 根据语境，选择下框中的单词替换句中划线部分的词或词块，使之意思一致。

A. stuck       B. puzzled       C. announced       D. ordinary       E. opportunity       F. benefited       G. updated

1. Can you tell me the most recent information about the artificial technology?
2. My brother tried to open the window but it was unable to move.
3. Thousands of patients have received help from the new treatment.
4. He was confused by the reactions of his friends.
5. For many athletes, the Olympics is a once-in-a-lifetime chance.