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【多选题】
下列关于经济效果与经济效益的表述中,正确的有( )。
A.
经济效益是指经济效果的社会有效性的价值体现,经济效益是经济效果的基础
B.
经济效果与经济效益的区别在于,经济效果是一个绝对值,经济效益是一个相对值
C.
经济效果的实质是经济效率,经济效益的实质是盈利
D.
经济效益直观,但经济效果比经济效益更能揭示出投入和产出间的内在联系,具有可比性
E.
经济效果与经济效益在本质上是一样的,都是反映所得与所费的关系,都是讲求社会劳动时间的节约
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【单选题】欲使H2CO3离解度减少,应加入强电解质
A.
Ca(NO3)2
B.
BaCl2
C.
Na2CO3
D.
Ca(OH)2
【简答题】Normally a student must attend a certain number of courses in order to graduate, and each course which he attends gives a credit which he may count towards a degree. In many American universities, the...
【简答题】Normally a student must attend a certain number of courses in order to graduate, and each course which he attends gives him a credit which he may count towards a degree, In many American universities ...
【简答题】Normally a student must attend a certain number of courses in order to graduate, and each course which he attends gives him a credit which he may count towards a degree. In many American universities ...
【简答题】Normally a student must attend a certain number of courses in order to graduate, and each coursewhich he attends gives him a credit which he may count towards a degree. In many American universiti...
【单选题】拉床时,将床架连床垫慢慢拉离床头( )厘米
A.
35
B.
40
C.
55
D.
50
【简答题】Passage two Normally a student must attend a certain number of courses in order to graduate, and each course which he attends gives him a credit which he may count towards a degree,In many American un...
【简答题】Normally a student must attend a certain number of courses in order to graduate, and each course which he attends gives him a credit which he may count towards a degree. In many American universities ...
【单选题】Normally a student must attend a certain number of courses in order to graduate, and each course which he attends gives him a credit which he may count towards a degree, In many American universities ...
A.
36
B.
20
C.
12
D.
15
【单选题】Normally, a typical ________ follows the pattern of prosperity, recession, depression, and recovery.
A.
business cycle
B.
economic downturn
C.
economic surge
D.
business decline
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