体格
参考答案：
指人体形态结构方面，包括人体生长发育水平，身体整体指数与比例及身体形态。
Great changes have taken place in that school. It is no longer it was 20 years ago, it was so poorly equipped.
A．what; when
B．that; which
C．what; which
D．which; that
施工现场与电气安全有关的危险环境因素主要有（）等。
A、外电线路
B、易燃易爆物
C、腐蚀介质
D、机械损伤
