:一、释词： 20分（每小题2分）
A. upset B. crazy C. loose D. actually E. waterfall F. apartment
G. elevator H. such as I. face to face J. on purpose
( ) 1. feeling unhappy
( ) 2. not tied up
( ) 3 a set of rooms for living in
( ) 4. in fact
( ) 5. very interested in something
( ) 6. a machine using for moving people
or things up and down
( ) 7. a high place from which a river
suddenly goes down
( ) 8. with the purpose of doing something
( ) 9. staying close to and looking at
somebody
( ) 10. for example
