UNIT 3
RADIO
NOTE
•
•
•
•
•
radio/´reidiou/
transfer/'trænsfə/
reduce/ri'dju:s/
formation/fɔ:'mei∫n/
process/'prouses/
CONTENTS
•
•
•
•
•
Information transfer
Reduced time clauses
Word formation
Radio
Describing a process
TASK 1
• to make use of something
• electromagnetic
/i'lektroumæg'netik/
• wave/weɪv/
• wavelength/ˈweɪvˌlɛŋkθ/
• ray/rei/
• gamma/'gæmə/
• ultraviolet/¸ʌltrə´vaiəlit/
• visible/'vizəbl/
• infrared/'infrə'red/
CONTENTS
•
•
•
•
•
Information transfer
Reduced time clauses
Word formation
Radio
Describing a process
READING
• flowchart /flouwtʃa:t/
• practise /´præktis/
• complete /kəm'pli:t/
NOTE
•
•
•
•
•
•
•
•
•
propagation/¸prɔpə´geiʃən/
transmit/trænz'mit/
surface/ˈsɜrfɪs/
curvature/´kə:vətʃə/
absorb/əb'sɔ:b/
absorption/əb'sɔ:pʃn/
sand/sænd/
energy/'enədʤi/
extent/iks'tent /
TASK 2
TASK 2