在“若元气不伤，虽病甚不死；元气或伤，虽病轻亦死。而其中又有辨焉”中“辨”之义为（）
A.分析
B.分别
C.界限
D.不同
参考答案：B
—Tim ______ the science test last weekend. What about you, Peter?
—I ______ English. [ ]
A. studied; studied
B. studied for; studied
C. studied for; studied for
根据《建筑设计防火规范》，爆炸下限高于10%的可燃气体的火灾危险性为丙类
