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[主观题]
太阳发出光和热,这是地球上人们的主要能源。
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第4题
way, but this participation is less obvious because it is less noticeable. (Passage 1)
第5题
y, and transportation, this level stresses mental needs for recognition, achievement, and happiness.
第6题
be a wall between him and life in general.
第8题
t is now doing at the spanking rate of half a billion tons a second-it will become steadily colder and redder.
第9题
at blue foods are considered unpleasant, and that cosmetics should never be packaged in brown.
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