QC小组的特点有自主性、民主性、科学性、______。
A.广泛性
B.关联性
C.群众性
D.原则性
参考答案:C
解析:QC小组的特点有自主性、民主性、科学性、群众性。
The number of pandas is getting _____ because their living areas are becoming farm lands.[ ]
A. bigger and bigger
B. smaller and smaller
C. more and more
D. less and less
轻度颅脑损伤患者的特点有()
A.无意识改变
B.无意识丧失
C.有短暂意识改变
D.有<20分钟的意识丧失
E.有>20分钟的意识丧失