单项选择题

One of the problems with the ALA seems to be ______.

A．its lack of opinions from experts
B．its focus on some irregular cases
C．its attempt to make up the date
D．its inconsistent smog standards
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单项选择题
The author agrees with the ALA that ______.
A．present smog standards should be made stricter
B．the standard established by the EPA is effective
C．some areas fail to meet the federal standard at times
D．poor air quality is a major problem nationwide
单项选择题
What has happened to DOE's solar Village on the National Mall
A．It has revealed a mechanical problem.
B．It lacks the energy for operation.
C．It needs substantial financial support.
D．It has drawn criticism from the government.
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