一、听课本录音，补全短文
Audio script 1
The Unexpected Inventions exhibition will open next week! There, you can learn about great inventions and their 1. . The exhibition will take place at the City Museum. It starts on 1 May and 2. on 30 May, from 9 am to 5 pm. Tickets cost £30 for adults and £15 for students. Children under 12 are free.
One exciting event is a 3. by inventor Mary Brown. You can learn all about the 4. of a successful inventor. It starts at 10:30 am on the 5. day. Young inventors, remember to come!
Audio script 2
Host: Good morning, students. Welcome to our talk. You all want to be inventors, right? But what makes an inventor? Ms Mary Brown,can you give us some ideas?
Mary Brown: Sure. First, inventors need to think 1. . Here's an example. Spencer Silver invented a kind of glue, but it was very weak. Many people thought it was 2. . But later, Arthur Fry found a new way to use the 3. . What was it? Yes, he invented the Post-it note!
Host: That's interesting. What else?
Mary Brown: Inventors never give up. The Wright Brothers tried to invent the plane. They 4. so many times.But they learnt from their mistakes and kept working. In the end, they 5. .
Host: Thanks for sharing your ideas! They are helpful to our listeners!

Audio script 1
1. inventors 2. ends 3. talk 4. qualities
5. first
Audio script 2
1. differently 2. useless 3.glue 4. failed
5. succeeded