UNIT1 Family and friends
UNIT2 University life
UNIT3 Internet life
UNIT4 Famous persons
UNIT5 Products
UNIT6 Cloning
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UNIT1 Family and friends
UNIT2 University life
UNIT3 Internet life
UNIT4 Famous persons
UNIT5 Products
UNIT6 Cloning
UNIT7 Getting along with each other
UNIT8 Fitness and health
UNIT9 Modern bank
UNIT10 Personal Motivation
UNIT11 New science
UNIT12 Child education
UNIT13 One earth
UNIT14 Christmas seasons
UNIT15 On vacation
Glossary
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还没人写过短评呢