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教科版高一英语必修4
UNIT 1 DOES WEATHER AFFECT OUR LIVES?
UNIT 2 AGRICULTURE:OUR LIFELINE
UNIT 3 SOMETHING GOOD TO EAT
UNIT 4 GLOBALLY ACTLOCALLY
UNIT 5 WHAT ANIMALS CAN WE RAISET
UNIT 6 WHAT DO WE KNOW ABOUT PLANTS?
UNIT 7 A GIANT FISH OUT THERE
UNIT 8 NATURAL LAWS OR HUMAN LAWS?