单项选择题
A.Unawareness of energy cycles. B.Familiar monologues. C.A change in a family member’s energy cycle. D.Attempts to control the energy cycle of other family member.
A.An engineer. B.An official. C.A moviemaker. D.A professor.
A.recognize and define the problem B.look for information to make the problem clearer C.have suggestions for a possible solution D.find a solution by trial or mistake