20世纪90年代心血管病在内科住院患者中最常见的疾病是()
A.先心病
B.风心病
C.冠心病
D.心肌病
E.心包炎
参考答案:C
Green products are becoming more and more popular because they are environmentally ______. [ ]
A. friendly
B. various
C. common
D. changeable
WMS与K、D在反映价格变化时由快至慢的排序依次为( )。
A.WMS、D、K B.K、WMS、DC.WMS、K、D D.D、K、WMS