以下哪些项目属于电能替代项目（）
A、电锅炉
B、热泵
C、家庭电气化
D、轨道交通
参考答案：A, B, C, D
已知一组数据的极差为12，若选取组距为3，则把这组数据分为 ▲ 组
Five men and three women make up the temporary group to look into the case. In other
words，it _____ eight people. [ ]
A. consists of
B. is consisted of
C. is consisting of
D. is being consisted of
