下列所示房屋被称为
A．干栏式
B．半地穴式
C．阁楼式
D．土木建筑
答案：B
Even within China, the beauty and mystery of Chinese food has never been properly explained or _____ appreciated on an artistic level.
A．simply
B．causally
C．briefly
D．thoroughly
传导速度最慢的是（）
A．心室肌
B．房室交界
C．浦肯野纤维
D．房室结
E．窦房结
