Read the definitions carefully and select the correct words.
1. a picture, set of words, or a short film, which is intended to persuade people to buy a product or use a service, or that gives information about a job that is available, an event that is going to happen etc
2. a flying vehicle with wings and at least one engine
3. a vehicle with two wheels that you ride by pushing its pedals with your feet
4. a shop that sells high quality cheeses, salads, cooked meats etc
5. the process of looking at something carefully in order to see what it is like
6. a gym
7. an infectious disease that is like a very bad cold
8. facts or details that tell you something about a situation, person, event etc
9. a special room or building in which a scientist does tests or prepares substances
10. the science of numbers and of shapes, including algebra, geometry, and arithmetic
11. a picture obtained by using a camera and film that is sensitive to light
12. modern music that is popular, especially with young people, and usually consists of simple tunes with a strong beat
13. a building in Britain where alcohol can be bought and drunk, and where meals are often served
14. a large piece of electrical kitchen equipment, shaped like a cupboard, used for keeping food and drink cool
15. a piece of electronic equipment shaped like a box with a screen, on which you can watch programmes
16. an educational institution at the highest level, where you study for a degree
17. someone who is trained to give medical care and treatment to sick animals
18. a website that is owned by a particular person or group of people rather than by an organization or company, and that has information about one or more subjects