从基因和病因学出发,我国将心肌病分类为()
A.家族/遗传性
B.混合性
C.病毒/免疫性
D.非家族性/获得性
E.特发性
参考答案:A, B, D
Doctors are doing research to find out what happens physically when people ________ smoking.[ ]
A. quit
B. decline
C. depart
D. reserve
施工缝