3500U2 Lesson 1

2. -n. the number of years that a person has lived or a thing has existed
4. -n. the system of sending letters, etc. by air
7. -ad. used in expressions of time with the simple past tense to show how far in the past sth happened
8. -n. money, food, etc. that is sent to help countries in difficult situations
10. n. any vehicle that can fly and carry goods or passengers
11. -n. a list of items to be discussed at a meeting
14. -n. the science or practice of farming
15. -ad. one more time; on another occasion
17. -ad. further forward in space or time; in front

1. -a. involving or relating to agriculture
3. -prep. opposing or disagreeing with sb/sth
5. -n. an illness which attacks the body's ability to resist infection and which usually causes death
6. -a. angry, and behaving in a threatening way; ready to attack
8. -v. to have the same opinion as sb; to say that you have the same opinion
9. -n. the mixture of gases that surrounds the earth and that we breathe
11. -n. a company that provides regular flights to take passengers and goods to different places
12. -n.the purpose of doing sth; what sb is trying to achieve
13. -n. an arrangement, a promise or a contract made with sb
16. -n.a person whose job is to act for, or manage the affairs of, other people in business, politics, etc.
17. -n. a business or an organization that provides a particular service especially on behalf of other businesses or organizations