TASK 3
• sky/skaɪ/
• space/speis/
NOTE
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skyward/'skaiwәd/
certain/['sә:tn]/
critical/ˈkrɪtɪkәl/
typical/'tipikl/
return/ri'tә:n/
ionosphere/ai´ɔnә¸sfiә/
layer/'leiә/
molecule/´mɔli¸kju:l/
stretch /stretʃ/
strike/straik/
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bounce/'bauns/
earthward/'ә:θwәd/
reflection/ri´flekʃәn/
attenuate/ә´tenju¸eit/
season/´si:zәn/
gradually /'grædʒuәli/
refract/ri´frækt/
TASK 3
TASK 3
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line of sight
effective/'ifektiv/
intervene/¸intә´vi:n/
obstacle/'ɔbstәkl/
hill/hil/
tree/tri:/
• satellite/'sætәlait/
• communication/kә,mju:ni'keiʃn/
TASK 3
TASK 4
• label/'leibl/
CONTENTS
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Information transfer
Reduced time clauses
Word formation
Radio
Describing a process
TASK 4
• action /'ækʃn/
• subject /'sʌbdʤikt/
• happen /'hæpәn/
• period/'piәriәd/
• lose/lu:z/
TASK 4
• immediately/i'mi:djәtli/
TASK 5
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switch /switʃ/
current /'kʌrәnt/
flow /flow/
primary /'praimәri/
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close/klous/
radar/'reidә/
plane/plein/
cell/sel/
discharge/dis'tʃɑ:dʤ/