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The island of Ta’u in American Samoa， small in size though， is large when it comes to renewable energy.It producing 100% of its electricity from solar power.The batteries store energy for up to（）days on which the sun doesn’t shine.

The island of Ta’u in American Samoa， small in size though， is large when it comes to renewable energy.It producing 100% of its electricity from solar power.The batteries store energy for up to（）days on which the sun doesn’t shine.
A.thirty
B.three
C.three hundred
D.one
正确答案：three

标签：能源英语面面观

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