1.retire A.a sudden increase in trade and economic activity;a period of wealth and success
2.pension B.to provide food and drinks for a social event
3.slip C.able to change to suit new conditions or situations
4.cater D.money paid by governments or companies to old people who don't work any more
5.boom E.a special right or advantage that a particular person or group of people has(have)
6.flexible F.to stop working,especiallywhen you reach the age when you are officially too old to work
7.swap G.to slide a short distance accidentally so that you fall or nearly fall
8.privilege H.to give sth.to sb.and receive sth.in exchange
【答案】 1.F 2.D 3.G 4.B 5.A 6.C 7.H 8.E