From facts, scientists have _______ that more energy is being absorbed from the sun, throwing the earth’s energy“out of balance”.

A. confirmed                      B. concluded

C. concentrated                     D. centered

【解析】選B。考查動詞辨析。confirm證明,證實;conclude得出結(jié)論;concentrate集中(注意力);center把……放在中央。根據(jù)題意,此處使用conclude。

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