社会营销观念其基本内容是，企业提供产品不仅要符合消费者的需要与欲望，而且要符合消费者和社会的长远利益，考虑到社会的可持续发展。
参考答案：对
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. (3 )
A． .
B． .
C． .
D．.
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．centred
