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【单选题】
当经济运行达到了高效率时,一部分人改善处境并不影响另一些人处境的变化。这状态被称为()
A.
帕累托最优
B.
完全竞争
C.
市场失灵
D.
帕累托改善
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参考答案:
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【单选题】The computer doesn’t work very .
A.
better
B.
well
C.
best
【判断题】It’s been calculated that by the age of 18, the average American will have seen 600,000 ads; by the age of 40, the total is almost one million.
A.
正确
B.
错误
【简答题】If you want your life to stand for peace and kindness, it’s helpful to do kind, peaceful things. One of my 16 ways to do this is by developing my own 17 actions. These little acts of kindness are 18 t...
【简答题】If the computer doesn’t work at the airport ,can the clerk work?
【单选题】The computer doesn’t work well, so something ______ wrong
A.
could have gone
B.
would go C should have gone D.must have gone
【单选题】下列哪个是宏定义
A.
#define uchar unsigned char
B.
sbit LED=p1^0
C.
int a
D.
char a
【判断题】If the computer doesn’t work, they can do nothing.
A.
正确
B.
错误
【单选题】下列哪个是宏定义
A.
#define uchar unsigned int
B.
sbit LED=p1^0
C.
int a
D.
char c
【单选题】Every possible means _______ to prevent the crash , but the computer doesn’t still work.
A.
is used
B.
are used
C.
has been used
D.
have been used
【单选题】The computer doesn’t work well, so something _________ wrong
A.
can have gone
B.
should have gone
C.
must have gone
D.
ought to have gone
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