电力工业产品产量是指电力工业企业在报告期内生产出的直接有效的（）产品的数量
参考答案：电能和热能
Our neighbour has _____ ours. [ ]
A. as a big house as
B. as big a house as
C. the same big house as
D. a house the same big as
以下哪项活动MET小于3．5（）
A.床上用便盆
B.坐厕
C.步行5.0km／h
D.扫地
E.击鼓
