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【题目】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

【答案】B

【解析】confirm意为“证实”;conclude意为“推断出”;concentrate意为“集中”;center意为“集中”。根据From facts判断,应选B项,表示“从事实中推断出”that从句的内容。

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