【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
在线课程【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。