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【单选题】
【2015-3】某施工机械预算价格为200万元,预计可使用10年,每年平均工作250个,预计净残值40万元。按工作量法计算折旧,则该机械折旧费为( )万元。A.
0.8
B.
0.64
C.
0.06
D.
0.064
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【多选题】下列关于乳化类化妆品中的乳化剂，说法正确的是( )。
A.
乳化剂一定是表面活性剂
B.
乳化剂的类型和用量影响着乳化体的稳定性
C.
乳化剂的类型和用量影响着乳化体的外观
D.
乳化剂有可能会给产品带来刺激性
【简答题】卧式镗床的主运动与进给运动由 拖动。主轴拖动要求 ,且要求正、反转。
【单选题】ZhangHong appears _____ by heart 2000 words up to now. [ ]
A.
to be learning
B.
to have learned
C.
to learn
D.
having learned
【简答题】l like to feel close to someone. It is nice to have a friend to talk, laugh and do things with. Surely, there are times when we need to be alone. We don't always want people around. But we would feel ...
【简答题】Everyone needs friends. We all like to feel close to someone. It is nice to have a friend to talk, laugh, and do things with. Surely, there are times when we need to be alone. We don’t always want peo...
【判断题】According to Robert L. Katz, managers need to have technical, human, and conceptual skills.
A.
正确
B.
错误
【多选题】关于司盘类乳化剂,下列说法正确的有()
A.
司盘类主要有司盘20、40、60、65
B.
司盘20的HLB值最高，为8.6
C.
司盘80的HLB值最小，为1.8
D.
司盘类乳化剂主要适用于油包水型乳浊液
【简答题】Everyone needs friends. We all like to feel close to someone. It is nice to have a friend to talk, laugh and do things with. Sure, there are times when we need to be alone. We don’t always want people...
【简答题】Everyone needs friends. We all like to feel close to someone. It is nice to have a friend to talk, laugh and do things with. Surely, there are times when we need to be alone. We don't always want peop...
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